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

Bonn Weather Trend Graph

Temperature (°C)

Months

Months	Historic Min Temp.	Min Temp.	Forecasted Min Temp.	Historic Max Temp.	Max Temp.	Forecasted Max Temp.
	2.9125	1		6.79375	3.8
	1.725	-0.4		6.41875	2.6
	2.10625	-1.2		6.456250000000001	1.1
	1.79375	-1		5.5125	1
	1.3625	-5.4		5.6499999999999995	0.1
	1.3125	-5.7		5.6937500000000005	-0.4
	0.95625	-6.4		5.606249999999998	-0.1
	1.5812500000000003	-2.5		5.69375	2.6
	1.2625	2		5.8	6.2
	0.61875	-4.3		5.031250000000001	2.9
	0.32500000000000007	-8		4.893750000000001	-0.8
	0.8062499999999999	-0.7		5.1499999999999995	6.3
	1.1437500000000003	2.6		5.550000000000002	7.7
	0.5249999999999999	5.2		5.025	8.6
Jan.	0.38125000000000003	6.4		4.925000000000001	9.4
	-0.35625	4.8		4.406249999999999	9.6
	-0.7374999999999998	2.1		3.9312500000000004	6.3
	-1.4625	0.7		4.00625	6.4
	-1.8	-0.2		3.4562500000000003	7.3
	-2.1937499999999996	-0.8		2.9937500000000004	6.6
	-1.9249999999999998	-1.8		3.8625	4.9
	-0.7999999999999998	-0.8		3.7750000000000004	5.9
	-0.1375	0.9		4.26875	6.3
	-0.14999999999999986	-0.4		4.53125	5.8
	-0.26250000000000007	-0.9		4.293749999999999	5.1
	-0.22499999999999973	0.1		4.475	1.1
	0.2875	-1.7		5.3875	5.2
	0.6000000000000001	1.9		5.7562500000000005	3.9
	1.0875000000000001	2		5.95	3.3
	0.6250000000000001	0.8		5.91875	4.2
	0.1124999999999998	2.2		5.09375	7.2
	0.53125	2.8		5.093750000000001	7.3
	0.54375	2.3		6.09375	4.1
	1.08125	0.2		5.975	2.8
	1.1312499999999999	1.5		5.75	6.1
	0.7562499999999999	1		6.04375	5.8
	0.5124999999999998	2.3		5.8500000000000005	7.1
	-0.30000000000000004	3.9		5.381249999999999	11.2
	-0.8250000000000003	1.8		5.3500000000000005	9.7
	-0.5750000000000001	0.7		5.175	6.9
	-0.7687500000000002	0.5		5.05625	7.5
	-0.6375	5.5		4.86875	11.5
	-1.1875000000000002	6.2		4.5625	10.7
	-1.2812500000000002	2.1		5.699999999999999	7.6
	0.3437500000000001	-1.7		6.568749999999998	3.3
Feb.	1.0437500000000002	-2.2		7.54375	4.5
	1.5250000000000001	1.8		8.4875	6.3
	1.6749999999999998	1.4		7.9375	5.4
	2.0124999999999997	0.1		7.937500000000001	4.2
	1.25	2.2		7.218749999999999	4
	1.05625	-0.1		8.431249999999999	7
	2.2750000000000004	6.6		8.424999999999999	10.9
	2.2624999999999997	10.1		8.86875	12.5
	2.2249999999999996	8		8.45	11.4
	2.3125	8.1		8.6125	9.3
	1.8624999999999998	6.6		8.60625	15.5
	1.4375	6.4		7.756250000000001	18.5
	0.8187500000000001	8		7.981249999999999	18
	0.7312500000000002	7.2		7.93125	13.5
	0.95	3.3		8.274999999999999	13.4
	0.7999999999999999	3.8		8.88125	14.4
	1.3499999999999999	4.6		9.25	16.7
	1.1750000000000003	5.5		9.38125	16
	0.9250000000000002	5.1		8.4375	16.1
	0.7874999999999999	5.5		8.712499999999999	16.8
	0.6687499999999997	6.3		9.23125	17.5
	0.9750000000000001	6		9.80625	17.3
	2.29375	5.9		10.381250000000001	17.5
	1.8062500000000001	7.3		10.874999999999998	17.1
	2.2937499999999997	7.2		9.868750000000002	11.4
	2.3	4		10.049999999999999	13.1
	2.2625	5.5		10.00625	11.3
	2.225	2.5		10.19375	4.5
Mar.	2.5312499999999996	2.1		10.324999999999998	8.4
	2.78125	3.7		11.637500000000001	10.5
	2.78125	5.5		10.468750000000002	12.4
	2.4875000000000003	3.5		11.206249999999999	13.7
	2.90625	3.5		11.3625	15.4
	2.7875000000000005	4.8		12.13125	14.3
	3.1437499999999994	6.2		11.862499999999999	15
	2.96875	4.7		11.81875	15.1
	3.35625	4.4		12.687499999999998	14.2
	3.2937499999999997	5.5		12.51875	16.6
	3.125	3.5		12.1125	11.9
	3.3	0.7		11.175000000000002	6.5
	2.3937500000000003	-0.6		12.33125	9.2
	3.525	1.6		13.668750000000001	6.9
	4.631249999999999	0.2		14.037499999999998	9.9
	4.44375	4.6		13.612499999999999	8.2
	4.812500000000001	1.2		13.5375	9
	4.300000000000001	1.3		11.906250000000002	12.6
	2.95625	1.6		12.218749999999998	11.3
	3.7687500000000003	2.5		12.706250000000002	14.6
	4.1937500000000005	10.6		12.4	15.3
	3.4374999999999996	8.3		12.23125	15.2
	3.5250000000000004	4		13.118750000000002	14.4
	4.8375	3.7		15.349999999999998	18.2
	4.9750000000000005	4.3		14.23125	19.9
	4.2625	6.6		15.606249999999998	21.3
	5.18125	6.4		15.0125	12.4
	5.34375	4.8		14.675000000000002	19.8
	4.73125	4.7		14.5375	13.7
	5.5125	7.3		14.4375	10.9
	4.5562499999999995	6.4		15.374999999999998	15.8
Apr.	4.862500000000001	4.8		15.11875	18.1
	4.924999999999999	10.3		14.312499999999998	18.2
	4.81875	8.4		14.79375	20.5
	4.78125	9.3		14.968750000000004	19
	5.40625	7.2		16.249999999999996	14.5
	5.768750000000001	5.3		16.79375	12.8
	5.4	5		16.53125	15
	5.9625	3.1		16.506249999999998	17.2
	6.1000000000000005	4.2		16.70625	19.1
	5.74375	3.7		16.85625	18.4
	6.2437499999999995	5.2		15.8125	17.9
	5.275	4.8		15.081250000000002	18
	4.9875	4.9		14.237499999999999	19.3
	5.275	7.3		16.51875	20.1
	6.55	6.1		17.293750000000003	18.4
	7.106249999999999	5.6		16.68125	18.2
	6.975000000000001	7.4		17.125	22.6
	7.29375	8.4		16.8	25.2
	6.793749999999999	12.4		16.168750000000003	19.9
	6.375	9.6		15.531250000000002	21.3
	5.599999999999999	12.1		16.775	16.4
	6.6812499999999995	8.3		17.0625	11.8
	8.056249999999999	7.2		17.0875	15.4
	7.793749999999999	5.9		18.23125	18.6
	8.95625	6.4		19.75	21.1
	8.89375	8.3		18.90625	21.3
	9.449999999999998	4.3		19.2625	13.1
	9.09375	2.7		18.3375	12.1
	7.80625	6.8		17.46875	12.5
	7.55625	5.3		17.825	12.3
May	7.4937499999999995	3		17.393749999999997	14.4
	7.56875	2.2		16.993750000000002	14.8
	7.756249999999999	3.2		16.78125	14.1
	7.668749999999999	7.4		18.6125	15.5
	8.24375	5.7		19.125000000000004	16.4
	8.96875	10.4		19.675	18.5
	9.9375	8.4		20.262500000000003	21.5
	9.85625	9.7		20.437499999999996	26.3
	10.075	12.8		19.618749999999995	29
	9.45	15		18.76875	28.1
	9.01875	12.4		18.81875	28.8
	9.86875	14.6		19.012499999999996	31.1
	9.662499999999998	15.7		19.875	27
	9.993750000000002	11.6		20.775000000000002	26.8
	9.6375	12.7		20.00625	31.9
	9.98125	16.2		20.54375	27.4
	10.65	15.2		20.849999999999994	22.1
	10.53125	12.2		20.212499999999995	22.7
	10.81875	12.2		21.45	23.3
	11.306249999999999	10.2		22.243750000000002	20.6
	11.4	10.5		22.762499999999996	19.2
	11.912500000000001	8.8		22.831249999999994	17.4
	11.125	8.7		21.48125	22.2
	11.325	10.8		21.50625	19.9
	11.8	10.6		21.8375	22.9
	11.78125	10.1		22.00625	19.2
	12.262500000000001	7		22.36875	17.4
	12.168750000000003	6.2		22.1875	18.7
	11.8625	10.8		21.3625	17.2
	11.256250000000001	11.3		22	20.9
	11.2125	9.7		23.0125	18.3
Jun.	12.18125	7.3		21.90625	17.9
	12.25	10.7		21.874999999999993	25.3
	12.15625	13.3		23.187500000000004	26.1
	13.46875	15.9		24.287499999999998	32.3
	13.70625	18.5		23.04375	35.8
	12.975	17.8		21.96875	33.3
	12.318750000000001	18.8		22.262500000000003	33.5
	13.162500000000001	18.4		23.406250000000004	32.9
	12.65	18.5		21.64375	32.7
	12.8375	19.2		23.20625	36.1
	13.649999999999999	21.3		23.8875	37.2
	13.55625	21.9		23.825	40.1
	13.3625	20.6		24.306250000000002	40.8
	13.962499999999999	20.7		24.506249999999998	34.4
	14.8625	19		24.662499999999998	29.7
	13.856250000000001	15.5		24.499999999999996	27.4
	13.88125	14.3		22.8875	26.4
	13.75	13.6		24.36875	27.7
	13.0125	10.6		23.224999999999998	25.7
	13.012500000000001	10.9		24.35625	27.8
	14.0875	17.2		24.150000000000006	23.4
	13.806249999999999	15		24	29.9
	13.475	18.2		23.443749999999998	30.4
	12.80625	17.2		23.1125	23.9
	13.69375	14.1		23.25	29.3
	13.481250000000001	15		24.18125	31
	14.375	14.9		24.381249999999998	32.7
	13.856250000000003	15.9		23.412499999999994	32.8
	13.53125	16.9		22.575000000000003	33.7
	13.71875	18.9		22.78125	33.2
Jul.	13.39375	17		22.45	30.6
	13.649999999999999	15		23.50625	29.7
	13.837500000000002	17		23.8625	30.4
	14.0375	14.5		25.700000000000003	24.5
	15.025000000000002	12.9		27.049999999999997	22.8
	15.45	9.2		25.956249999999997	22.4
	15.431249999999999	9.9		25.218749999999996	25.4
	15.2	11.6		24.575000000000003	23.2
	14.793750000000001	11.4		25.049999999999997	24.8
	14.793750000000001	10.9		25.193749999999998	25.7
	14.681249999999999	14.8		25.168749999999996	30.6
	15	15.4		25.075000000000003	25.8
	15.325	14.1		24.081249999999997	25.3
	14.925000000000002	13.1		23.856249999999996	30
	14.775	17.1		23.33125	36.7
	13.924999999999999	19.9		23.443749999999998	38.5
	14.318750000000001	17.8		23.90625	31.6
	14.712499999999999	16.1		24.9875	27.3
	15.15625	14.6		26.093750000000004	31.3
	15.84375	19.2		24.581249999999997	36.5
	15.487500000000002	18.9		24.668750000000003	35.5
	14.493749999999999	18.7		23.6125	32.3
	13.887500000000001	15.5		24.556250000000002	26.1
	14.2	11.5		25.49375	24.6
	14.4375	11.7		23.525	29.8
	14.5125	16.5		24.75	34.2
	14.262500000000003	17.8		23.893749999999997	31.3
	13.887500000000001	12.9		24.4375	27.9
	14.393749999999999	12.5		24.61875	31.9
	14.94375	15.6		25.837500000000002	35
	15.05625	18.3		26.231249999999996	37.9
Aug.	15.562499999999998	20.6		24.3375	36.1
	14.787499999999998	17.7		24.306250000000002	27.6
	14.675		15.9	22.84375		24.5
	14.518749999999997		17.1	23.83125		22.7
	14.006250000000001		14.1	23.7625		29.3
	13.518749999999999		12.5	24.768750000000004		25.4
	13.9875		12.5	25.425		25
	14.38125		11.7	24.543750000000003		23.4
	14.46875		10.8	24.7875		25.4
	13.787500000000001		16.9	24.28125		26.7
	13.606249999999998		13.6	24.424999999999997		23.9
	14.218749999999998		13.9	23.93125		23.7
	14.006250000000001		13.9	22.643750000000004		23.6
	13.387500000000001		13.8	23.55		23.3
	13.606250000000001		13.2	23.512500000000003		23.1
	13.725000000000001		13.2	23.325000000000003		22.7
	13.056250000000002		12.8	22.41875		22.4
	12.1		12.1	20.6125		21.3
	11.90625		11.9	22.33125		22.6
	12.349999999999998		12.6	23.006249999999998		22.5
	12.956249999999999		13.2	23.324999999999992		22.4
	13.775		13.3	23.6375		23.3
	12.987499999999999		12.2	23.162499999999994		22.7
	12.456249999999999		12.1	21.29375		22.2
	12.06875		12.6	21.5		21.8
	12.474999999999998		12.5	21.931250000000006		22.2
	12.493749999999999		12.3	21.756249999999998		21.4
	12.65625		12.1	22.131249999999994		21.6
	11.981250000000001		11.7	21.81875		21.4
	11.993750000000002		11.9	19.96875		19.9
	11.537500000000001		11.5	20.181250000000002		20.1
Sep.	11.26875		11.4	20.7375		20.9
	11.200000000000001		11.4	20.83125		20.2
	11.262500000000003			20.24375
	10.775			20
	10.518749999999999			20.056250000000002
	10.950000000000001			20.46875
	9.66875			19.806250000000002
	9.368750000000002			19.74375
	9.23125			19.14375
	9.5			18.900000000000002
	9.95			18.737500000000004
	9.931249999999999			18.10625
	9.850000000000001			18.199999999999996
	9.606249999999998			18.34375
	9.76875			17.9625
	8.81875			17.44375
	8.7125			18.162499999999998
	8.875			17.900000000000002
	8.525			17.637500000000003
	9.55625			17.237499999999997
	9.525			16.46875
	8.887500000000003			15.98125
	8.518749999999999			16.33125
	9.14375			15.968749999999998
	7.956249999999999			16.212500000000002
	8.56875			16.818749999999998
	7.68125			15.931250000000004
	6.68125			15.212499999999999
	8.262500000000001			15.775
	7.612499999999999			15.5875
Oct.	7.374999999999998			14.618750000000002
	7.481249999999999			14.562499999999998
	8.0625			15.3
	7.287500000000001			15.60625
	8.29375			16.212500000000002
	8.88125			14.73125
	7.69375			15.1125
	8.18125			14.081249999999999
	7.6			14.662500000000001
	7.7437499999999995			14.34375
	7.9312499999999995			13.806250000000002
	8.206249999999999			14.6
	7.231250000000001			13.218749999999998
	6.499999999999999			13.15625
	7.39375			14.06875
	7.187499999999999			13.225
	6.937500000000001			13.88125
	7.0375			13.88125
	7.4375			13.58125
	7.29375			12.75625
	6.16875			12.6125
	5.7875000000000005			12.025
	5.5375000000000005			11.84375
	6.10625			11.55625
	6.05			11.350000000000003
	5.718750000000001			11.162500000000001
	5.4312499999999995			11.08125
	4.331250000000001			10.6375
	4.9437500000000005			10.7375
	5.0062500000000005			11.025000000000002
	4.843749999999999			10.2875
Nov.	4.69375			9.937500000000004
	3.69375			9.281250000000002
	3.6124999999999994			9.0625
	4.41875			8.75625
	4.3687499999999995			9.062499999999998
	3.2312499999999997			8.31875
	2.55625			7.6375
	2.18125			7
	3			8.5
	2.4875			8.25625
	2.4499999999999997			7.862500000000001
	2.2624999999999997			7.28125
	2.5437499999999997			6.9375
	2.1625			6.812499999999999
	1.6374999999999997			6.41875
	0.8250000000000001			5.83125
	0.41875000000000007			5.30625
	0.41875000000000007			5.30625
	0.84375			5.325
	0.48750000000000004			5.250000000000001
	0.98125			5.325
	1.14375			5.8875
	1.94375			6.331250000000001
	1.84375			6.4875
	1.20625			5.999999999999999
	0.89375			5.5875
	1.7625000000000002			5.793749999999999
	1.3499999999999996			5.5375000000000005
	0.55			5.225
	0.60625			4.981249999999999
Dec.	1.175			6.125
	1.7375			6.7124999999999995
	2.6687499999999997			7.3062499999999995
	2.2937499999999997			6.768750000000001
	2.8187499999999996			7.618749999999999
	2.7750000000000004			7.45625
	2.83125			6.937499999999999
	3.96875			7.73125
	4.3187500000000005			8.06875
	4.38125			8.1375
	2.8375			7.3875
	2.4625000000000004			6.768750000000001
	1.9749999999999992			6.6812499999999995
	1.7			5.79375
	1.53125			5.9625
	1.74375			6.46875
	3.3200000000000003			7.733333333333333

Max Temp.

Historic Max Temp.

Min Temp.

Historic Min Temp.

Yearly Summary 2026

41°C

Highest Temp

27 Jun. 26

-8°C

Lowest Temp

11 Jan. 26

Seasonal Breakdown

Hottest MonthAugust31.58°C

Coldest MonthJanuary-0.31°C

Wettest MonthMay3.34mm

Windiest MonthJuly18.37km/h

Bonn 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 Bonn historically?

August is historically Bonn's hottest month, with average maximum temperatures around 25°C. During peak heatwave events, the highest recorded temperatures have reached 41°C on 2026-06-27.

2. What is the coldest month in Bonn historically?

January is Bonn's coldest month, with average minimum temperatures around 0°C. The all-time record low of -13°C was recorded on 2012-02-12.

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

Bonn's average annual rainfall is approximately 899.9mm, based on records spanning 17 years.

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

Bonn historically records approximately 223 rainy days per year. December has the highest number of rain days at an average of 22 days.

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

The all-time highest temperature recorded in Bonn is 41°C on 2026-06-27.

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

The all-time lowest temperature recorded in Bonn is -13°C on 2012-02-12.

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

Bonn experiences its strongest winds during February. The historic gust record of 52.6 kph was recorded on 2010-02-28.

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

Usually, Bonn's humidity peaks in January at around 86.08% and drops to its lowest in August at approximately 69.6%.

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Bonn Historic Weather Records
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Yearly Summary 2026

Seasonal Breakdown

Frequently Asked Questions

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

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Yearly Summary 2026

Seasonal Breakdown

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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

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