Heilbronn Historic Weather Records
Analyse hottest, coldest, windiest & wettest days

Heilbronn Weather Trend Graph

Temperature (°C)

Months

Months	Historic Min Temp.	Min Temp.	Forecasted Min Temp.	Historic Max Temp.	Max Temp.	Forecasted Max Temp.
	0.9875000000000002	-2.8		6.0875	1.4
	0.28125000000000017	-1.8		5.1312500000000005	2.1
	0.5500000000000002	-3.5		5.099999999999999	-0.3
	0.25625	-3.5		4.675000000000001	-1.1
	-0.32499999999999996	-6.2		4.449999999999999	-1.6
	1.1102230246251565e-16	-7		4.675	-1.7
	-0.6312500000000001	-8		4.425	-1.7
	0.73125	-3.9		4.71875	1.1
	0.31250000000000006	1.2		5.375	6.4
	-0.012500000000000067	-3.1		4.4	2.9
	-1.2000000000000002	-5.5		3.806250000000001	-0.7
	-0.70625	-3.1		3.8625000000000003	2.4
	-0.49375	0.4		4.7875000000000005	5.5
	-0.7625000000000001	2.2		4.4625	6.9
Jan.	-1.3124999999999998	4		3.9749999999999996	9.4
	-1.24375	2.4		3.4875	9.6
	-1.725	0.6		3.5874999999999995	5.6
	-2.6937500000000005	0.6		3.50625	5.2
	-3.44375	0.2		2.1375	6.4
	-2.9749999999999996	-1.8		2.10625	5.6
	-3.175	-2.3		2.6374999999999997	4.1
	-2.39375	-1		3.2187499999999996	4.6
	-1.7500000000000002	0.1		2.95	6.4
	-1.5812500000000003	-2		3.2999999999999994	3.7
	-1.1499999999999997	-1.8		3.6374999999999997	4.2
	-1.4062499999999998	-0.5		3.4062499999999996	0.7
	-1.3874999999999997	-2.8		4.450000000000001	4.6
	-0.7687500000000002	1		4.675000000000001	2.6
	-0.5812499999999999	1.2		4.518750000000001	2.3
	-0.8937499999999997	0.7		4.875	4.2
	-0.7562500000000002	0.9		4.4312499999999995	5.4
	0.012500000000000136	2.5		4.793749999999999	4.6
	-0.32499999999999973	-0.5		5.2437499999999995	7.1
	-0.16874999999999996	0.1		4.487499999999999	3.3
	-0.7937500000000004	0		4.737500000000001	5.6
	-0.8187499999999999	1.4		4.55	6.7
	-0.3999999999999999	0		5.093749999999999	5
	-1.3000000000000003	3.7		4.41875	8.3
	-1.5187499999999998	2.3		5.06875	7.1
	-1.6124999999999994	0.8		5.075	6.2
	-2.2812499999999996	0.9		3.95625	8.8
	-1.9312500000000001	5.5		3.5125	9.9
	-2.3812499999999996	5.4		4.06875	9.1
	-2.3562499999999997	5.2		4.762499999999999	8.7
	-1.9437499999999999	-0.6		5.7375	4.4
Feb.	-1.0625	-0.9		6.324999999999999	3.6
	-0.075	2.2		7.831249999999999	6.1
	0.7375	1.2		7.18125	4.9
	0.51875	-0.4		7.6375	3.2
	0.30000000000000004	2.7		6.31875	5.7
	0.19374999999999984	1.1		7.73125	4.2
	0.96875	5.3		7.912499999999999	9.1
	1.0812500000000003	8.8		8.04375	10.8
	1.3	8.9		8.125	10.4
	0.6250000000000001	6.9		8.36875	8.5
	0.7437499999999999	5.1		8.175	13.7
	0.07500000000000001	6.3		7.2125	15.6
	0.09375000000000001	7.2		6.793750000000001	17.6
	0.33124999999999993	7.9		7.624999999999999	13.5
	-0.09999999999999996	5.1		7.8374999999999995	11.3
	0.1875	3.6		8.29375	13.6
	0.20625000000000004	4.2		9.44375	13.5
	0.64375	4.8		9.61875	14
	0.4312499999999999	4.2		8.29375	15.2
	-0.03750000000000009	4.3		7.8687499999999995	14.9
	-0.16249999999999998	5		8.26875	15.2
	-0.33125	5.2		9.543750000000001	15
	1.375	5.8		10.406250000000002	15
	1.3875	7.2		10.1	15.7
	1.46875	7.7		9.79375	13.9
	1.7062500000000003	6.3		10.14375	12
	2.28125	3.6		10.206249999999999	15
	2.03125	3		9.00625	9.2
Mar.	1.9375	2.4		9.518750000000002	6.4
	2.40625	1.3		11.224999999999998	7.3
	2.15625	2.3		11.5125	8.1
	2.3	1.2		10.793750000000001	11.1
	2.875	2.7		11.03125	13
	2.2687500000000003	3.1		12.075	13
	2.575	3.8		12.3125	11.6
	2.425	3.1		11.65	12.9
	2.69375	2.8		12.193750000000001	13.4
	2.3000000000000003	4.2		12.69375	14.7
	2.1062499999999997	3.3		12.012500000000001	10.2
	2.5499999999999994	0.2		11.0125	6.6
	2.25	-1.3		12.1875	7
	2.6937500000000005	-0.5		13.443749999999998	8.6
	4.18125	-1		13.875000000000004	6.2
	3.8625000000000003	2.1		14.137500000000001	6.9
	4.3999999999999995	0.6		13.118750000000004	5.2
	3.8937500000000007	2.2		12.2625	8
	2.7312499999999997	-0.5		12.181249999999999	12.2
	3.2	4.2		13.19375	13.1
	3.3125	7.5		12.700000000000003	13.3
	3.443749999999999	6.1		11.9125	18.3
	3.33125	4.7		12.874999999999998	14.9
	3.9812500000000006	4.3		14.931249999999997	16.5
	4.275	3		14.124999999999998	17.1
	4.362499999999999	5		15.231250000000001	17.5
	4.5687500000000005	7.8		15.025000000000002	12.9
	4.875000000000001	5.4		15.456249999999999	20.1
	4.65625	6.8		14.875	8.8
	5.225	7.9		13.825000000000003	10
	4.481249999999999	7.2		15.262500000000001	10.7
Apr.	4.512499999999999	7.8		15.01875	15.6
	4.843749999999999	8.7		14.575000000000001	18.5
	4.85	7.9		14.3625	21
	4.6937500000000005	11.1		14.19375	21.7
	4.65625	7.1		15.337500000000002	15.3
	4.7124999999999995	4.6		15.425000000000002	14
	4.85	1.8		16.69375	11.8
	5.487500000000001	1.8		16.85625	14.8
	5.737499999999999	2.4		16.55	18.6
	5.25	4		16.73125	19.2
	5.987499999999999	5.1		16.312500000000004	19.8
	5.6625	4.7		14.662500000000001	16.4
	4.887499999999998	3.9		14.649999999999999	18.3
	5.19375	7.4		16.406250000000004	19.7
	6.66875	6.5		17.6375	17.2
	7.643749999999999	4.1		16.81875	16
	7.3	4.3		16.39375	20.9
	7.406249999999999	6.4		17.13125	23.5
	7	10.6		16.08125	21.8
	6.424999999999999	10		15.68125	21.2
	6.306249999999999	11.4		16.831249999999997	18.9
	6.925000000000001	7.7		16.887500000000003	17.5
	7.125000000000001	6.9		16.925	13.6
	7.375000000000002	4.1		17.974999999999998	17.8
	8.462499999999999	6		19.21875	21
	8.949999999999998	8.4		18.918750000000003	22.7
	8.69375	6.1		19.500000000000004	15.1
	9.049999999999999	1.8		18.75	11
	7.775	2.4		16.906250000000004	13.6
	7.95625	5.4		17.08125	13
May	7.412499999999999	4		16.687499999999996	11.7
	7.393750000000001	1.7		16.431250000000002	13.4
	7.7250000000000005	3.2		16.493750000000002	15.9
	7.481250000000001	5.2		18.225	15
	7.693750000000001	5.5		18.862500000000004	16.8
	9.24375	8.6		19.08125	17.1
	9.662499999999998	8.7		19.59375	21.3
	9.7125	10.2		20.343749999999996	24.9
	9.718750000000002	12.1		20.0375	27
	9.25625	14.9		19.01875	28.3
	9.3375	14.6		18.900000000000006	27.2
	9.9625	13.5		19.0125	28.8
	9.787500000000001	15.6		19.5625	29.3
	9.65	11.6		20.28125	24.2
	10.175000000000002	10.1		20.05625	26.7
	9.75625	15.5		20.63125	29.2
	10.01875	15		20.41875	24.4
	10.725	13.7		19.8	23.1
	11.125	12.6		21.05	25
	11.9625	10.8		22.275000000000002	20.3
	12.306249999999999	12.1		23	20.7
	12.274999999999997	10.8		22.593749999999996	20.2
	11.74375	8.5		21.8875	23.2
	11.674999999999999	10.8		21.899999999999995	22
	12.081249999999999	10.8		22.29375	25.1
	12.218750000000002	11.1		22.293750000000003	19.7
	12.19375	8.8		22.53125	16.1
	12.4625	7.3		22.45625	18
	12.525	10.9		22.181250000000002	15.2
	12.075	15.2		21.962500000000002	24.8
	11.649999999999999	9.9		22.31875	19.8
Jun.	12.174999999999999	7.6		22.5875	21.5
	12.812499999999998	10.4		22.456249999999997	26.2
	12.7125	13.8		23.70625	27.3
	13.6875	15.8		24.26875	31.4
	13.700000000000001	18.2		24.981249999999996	34.4
	13.65	17.3		23.3375	33.6
	12.9125	18.4		23.724999999999998	34.3
	13.45625	16.6		23.3875	33.6
	13.012500000000001	17.6		22.575	32.8
	12.318750000000001	18.5		23.1875	33
	13.1625	19.2		24.018749999999997	34.9
	13.681249999999999	20.5		24.781249999999996	37.7
	13.9	20.9		24.256250000000005	38.9
	14.13125	19.7		24.843750000000004	37.4
	14.65625	19		24.83125	32
	14.45	18.4		24.818749999999998	30.4
	13.637499999999998	16.5		23.999999999999996	27.2
	13.256250000000001	13.3		24.6375	28.6
	13.98125	13.2		24.01875	26.3
	14.025	11.7		24.812500000000004	27.7
	14.156249999999998	14.9		25.174999999999997	26.6
	14.806249999999999	13.8		25.4625	30
	14.38125	15.6		23.8375	33.8
	13.262499999999998	16.8		23.24375	26.1
	13.562499999999998	13.7		24.04375	30
	14.081249999999997	14.3		24.931250000000002	31.2
	14.606250000000001	15.2		24.849999999999998	32.4
	14.512500000000001	14		25.1625	31.3
	13.806250000000002	15.9		23.525000000000002	33.7
	13.593749999999998	18.4		23.781250000000004	34.7
Jul.	13.800000000000002	15.9		23.974999999999998	28.7
	13.287499999999998	15.7		24.818749999999998	31
	13.65625	16.5		24.812499999999996	30.8
	14.668750000000001	14.7		25.787500000000005	29.2
	15.15	13.8		27.55	24
	15.749999999999998	9.9		26.981249999999996	24.4
	15.5125	9.5		25.800000000000004	23.9
	15.424999999999999	10.9		25.606249999999996	26.1
	14.749999999999996	10.3		25.300000000000004	24.5
	14.98125	10.1		25.300000000000004	28.4
	14.793750000000003	13.6		25.18125	32.9
	14.887499999999998	15.8		25.2	31
	15.393749999999999	16.1		25.19375	26
	15.38125	13.4		25.206249999999997	31
	14.768749999999999	15.9		23.86875	36.9
	14.356249999999998	19.5		24.09375	39.8
	14.056250000000002	17.7		25.2	36
	15.462499999999999	17.1		25.918749999999996	25.3
	15.38125	15.5		26.38125	30.4
	15.76875	18.1		25.05	37.2
	15.60625	18.8		25.49375	35.2
	15.162499999999998	19.7		25.3375	31.6
	14.474999999999998	17.4		24.612499999999997	28.4
	14.331249999999999	13.4		25.1375	28.7
	14.725	11.8		25.26875	31.4
	15.118749999999999	16.7		25.5625	34.8
	14.20625	17		24.5125	34.2
	14.037499999999998	15.6		24.84375	30.8
	14.28125	12.9		25.3125	32.5
	15.15	14.3		25.831249999999994	34.2
	15.049999999999997	16.1		26.61875	36
Aug.	15.63125	18.2		25.70625	37
	14.843749999999998		18.7	24.94375		32.1
	14.887500000000001		15.6	24.7875		25.5
	14.674999999999999		15.9	24.806250000000002		31.1
	14.33125		14.8	24.262500000000003		33.3
	13.98125		13.9	24.575000000000003		27.2
	14.262500000000001		15.5	26.112499999999997		21.3
	14.775		13.2	26.337500000000002		26.6
	14.543750000000001		12.1	24.931249999999995		27.7
	13.787500000000001		14.1	24.5125		24.8
	13.831249999999997		13.9	24.493750000000002		24.4
	14.18125		14.3	25.406250000000004		25.1
	14.381250000000001		14.1	23.11875		23.8
	13.7125		14.2	23.3875		23.6
	13.73125		13.7	24.09375		23.6
	14.1625		13.7	23.7		22.9
	13.45625		13.1	22.09375		22.3
	12.531249999999998		12.8	21.6625		22.2
	12.231250000000001		12.2	21.75625		22
	12.55		12.8	22.7875		23
	12.918749999999998		12.9	23.7625		23.1
	13.39375		13	23.343750000000004		22.9
	12.731250000000001		12	23.587500000000002		22.6
	12.531250000000002		12.2	21.418750000000003		22.2
	12.137500000000003		12.2	21.89375		22.5
	12.200000000000001		12.4	21.881250000000005		21.9
	11.875		12.1	22.243749999999995		22.2
	12.29375		12.1	22.106249999999996		21.8
	12.162500000000001		11.7	22.15		21.6
	12.206249999999999		11.8	20.862500000000004		21
	11.6625		11.7	20.9375		20.5
Sep.	11.84375		11.8	20.543750000000003		20.5
	10.943750000000001			20.36875
	10.381250000000001			19.875
	10.6125			19.60625
	10.08125			19.731250000000003
	10.20625			19.931250000000002
	9.218750000000002			20.012500000000003
	8.71875			19.28125
	8.8375			19.4625
	9.281250000000002			18.687499999999996
	9.256249999999998			18.3875
	9.537499999999998			18.799999999999997
	9.587499999999999			18.225
	9.525			18.05
	9.3875			18.45
	8.306249999999999			17.4
	8.3375			17.925
	8.51875			17.693749999999998
	8.58125			18.0125
	8.156249999999998			16.9125
	8.19375			16.443749999999998
	8.262500000000001			16.28125
	8.60625			15.99375
	8.675			16.29375
	7.906249999999998			16.54375
	8.037500000000001			16.0875
	7.599999999999999			16.125
	6.906250000000001			15.325
	7.068749999999999			16.099999999999998
	6.893750000000001			15.83125
Oct.	6.3			14.587500000000002
	7			14.681249999999997
	6.6625			15.33125
	6.9937499999999995			16.08125
	7.26875			15.23125
	7.949999999999999			15.262500000000003
	7.1875			15.21875
	6.606249999999999			13.8375
	6.60625			14.21875
	6.39375			13.71875
	7.0375000000000005			14.4875
	7.287500000000001			14.94375
	6.3125			13.025
	5.50625			12.699999999999998
	5.325			13.34375
	5.5375000000000005			12.962499999999999
	5.6000000000000005			13.543750000000001
	5.39375			13.51875
	5.9125			13.018749999999999
	5.76875			12.59375
	6.112500000000001			12.8375
	4.881249999999999			11.443750000000001
	4.750000000000001			11.625000000000002
	4.75625			11.006249999999998
	4.800000000000001			10.975000000000001
	4.418750000000001			10.825000000000001
	3.7500000000000004			10.599999999999998
	3.6125000000000007			9.95625
	3.5875			10.124999999999998
	3.8500000000000005			10.25
	3.4875000000000003			9.85625
Nov.	3.6999999999999997			9.06875
	2.8687499999999995			8.4875
	3.0375			7.99375
	2.8375000000000004			8.337499999999999
	2.9312500000000004			8.09375
	2.16875			7.7875
	1.2062500000000003			6.712499999999999
	0.7062499999999999			6.612500000000001
	1.1687499999999997			7.0687500000000005
	1.7812500000000002			7.075
	1.18125			6.606249999999999
	1.2750000000000001			6.48125
	0.925			6.225000000000001
	0.9687499999999999			6.21875
	0.07500000000000004			5.35
	0.55625			4.66875
	0.24375000000000005			4.90625
	-0.775			4.3500000000000005
	-1.1312500000000003			3.8312499999999994
	-1.0999999999999996			4.23125
	-0.40624999999999994			4.9625
	0.28125			4.731250000000001
	1.2625000000000002			5.7437499999999995
	0.3062500000000001			5.5
	0.10625000000000012			4.8125
	-0.31875			4.69375
	0.55625			4.8125
	0.14375000000000004			4.625
	-0.2937500000000002			4.800000000000001
	0.1375			4.887499999999999
Dec.	0.29999999999999993			5.193750000000001
	0.45625000000000004			5.562499999999999
	0.6499999999999999			5.80625
	0.1562499999999998			5.6875
	0.8937500000000002			6.2250000000000005
	0.9375			6.262499999999999
	1.25625			5.675000000000001
	2.399999999999999			6.6499999999999995
	3.0625000000000004			7.7875
	2.8750000000000004			7.4875
	1.6000000000000003			6.64375
	0.7874999999999999			5.5687500000000005
	0.5375000000000002			5.531250000000001
	-0.61875			4.7875000000000005
	-0.2562500000000002			4.6375
	0.7062499999999999			5.59375
	1.4			6.273333333333334

Max Temp.

Historic Max Temp.

Min Temp.

Historic Min Temp.

Yearly Summary 2026

40°C

Highest Temp

30 Jul. 26

-8°C

Lowest Temp

7 Jan. 26

Seasonal Breakdown

Hottest MonthAugust32.51°C

Coldest MonthJanuary-1.45°C

Wettest MonthFebruary3.02mm

Windiest MonthJuly19.64km/h

Heilbronn Climate Change InsightsSee how climate patterns are evolving over time. Temperature shifts, rainfall trends, and extreme events—all in one place.

Weather City Ranking GloballyExplore Real time of the world’s hottest & Coldest Cities based on current temperature data.

Frequently Asked Questions

1. What is the hottest month in Heilbronn historically?

August is historically Heilbronn's hottest month, with average maximum temperatures around 25°C. During peak heatwave events, the highest recorded temperatures have reached 40°C on 2026-07-30.

2. What is the coldest month in Heilbronn historically?

January is Heilbronn's coldest month, with average minimum temperatures around -1°C. The all-time record low of -19°C was recorded on 2010-12-26.

3. What is the average annual rainfall in Heilbronn over the past 17 years?

Heilbronn's average annual rainfall is approximately 829.9mm, based on records spanning 17 years.

4. How many rainy days does Heilbronn experience on average per year?

Heilbronn historically records approximately 205 rainy days per year. December has the highest number of rain days at an average of 19.5 days.

5. What is the all-time highest temperature ever recorded in Heilbronn?

The all-time highest temperature recorded in Heilbronn is 40°C on 2026-07-30.

6. What is the all-time lowest temperature ever recorded in Heilbronn?

The all-time lowest temperature recorded in Heilbronn is -19°C on 2010-12-26.

7. What is the windiest time of year in Heilbronn historically?

Heilbronn experiences its strongest winds during February. The historic gust record of 49.2 kph was recorded on 2015-03-31.

8. What is the highest and lowest humidity in Heilbronn during a year?

Usually, Heilbronn's humidity peaks in January at around 86.2% and drops to its lowest in August at approximately 69.6%.

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Heilbronn Historic Weather Records
Analyse hottest, coldest, windiest & wettest days

Heilbronn Weather Trend Graph

Yearly Summary 2026

Seasonal Breakdown

Frequently Asked Questions

Recent Blogs On Weather

World Top 10 Hottest Cities Are All in India Again - May 2026

Delhi Air Quality 2026 vs 6-Year Historical PM2.5 Data

What 17 Years of Delhi Temperature Data Reveal About May's Heatwave Escalation

World Top Hottest Cities Belong to India - April 2026

Construction Air Pollution: The Invisible Hazard Reshaping India's Urban Air

Kitchen Air Pollution: How Cooking Can Spike Your Indoor AQI

Mumbai Air Quality Comparison of 2025 Vs 2026 (Jan-Feb)

Why AQI Standards Vary Across the World - And Why Air Quality Index Matters More Than Ever

Why Winter Suffocates and Monsoon Saves Delhi Air Quality 2025?

Winter vs Summer Air: Why Air Pollution Behaves So Differently Across Seasons

Heilbronn Historic Weather RecordsAnalyse hottest, coldest, windiest & wettest days

Heilbronn Weather Trend Graph

Yearly Summary 2026

Seasonal Breakdown

Frequently Asked Questions

Recent Blogs On Weather

World Top 10 Hottest Cities Are All in India Again - May 2026

Delhi Air Quality 2026 vs 6-Year Historical PM2.5 Data

What 17 Years of Delhi Temperature Data Reveal About May's Heatwave Escalation

World Top Hottest Cities Belong to India - April 2026

Construction Air Pollution: The Invisible Hazard Reshaping India's Urban Air

Kitchen Air Pollution: How Cooking Can Spike Your Indoor AQI

Mumbai Air Quality Comparison of 2025 Vs 2026 (Jan-Feb)

Why AQI Standards Vary Across the World - And Why Air Quality Index Matters More Than Ever

Why Winter Suffocates and Monsoon Saves Delhi Air Quality 2025?

Winter vs Summer Air: Why Air Pollution Behaves So Differently Across Seasons

Heilbronn Historic Weather Records
Analyse hottest, coldest, windiest & wettest days