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

Decatur Weather Trend Graph

Temperature (°C)

Months

Months	Historic Min Temp.	Min Temp.	Forecasted Min Temp.	Historic Max Temp.	Max Temp.	Forecasted Max Temp.
	5.543749999999999	2.9		12.087499999999999	11.3
	2.85625	7.3		10.7375	13.8
	2.61875	9.4		9.41875	11.3
	0.5312499999999998	7.4		9.837499999999999	10.2
	0.7249999999999999	8.4		9.193750000000001	10.4
	-0.13749999999999973	8.9		9.987499999999999	12.7
	-0.40624999999999983	12.9		7.825	16.4
	-0.037499999999999756	10.8		7.5249999999999995	14.3
	1.06875	15.1		9.25	16.6
	1.425	12		9.6375	17.5
	3.3124999999999996	3.5		11.1	12.8
	2.34375	-1.6		11.093750000000002	8.7
	1.9375	2.7		9.8875	11.6
	1.7062499999999998	5.4		10.700000000000001	12.8
Jan.	2.4687499999999996	-3.3		11.012500000000001	3.4
	2.00625	-1.6		10.606250000000001	8.5
	1.59375	4		9.79375	6.3
	2.2937499999999997	-0.8		10.643749999999999	6.7
	1.8124999999999998	-2.3		12.14375	8.5
	1.8312500000000007	-1.8		10.750000000000002	4.5
	1.5062499999999996	-0.8		9.537500000000001	8.1
	0.61875	6.1		8.45625	7.4
	1.1187500000000001	6		9.4875	7.6
	1.25	-0.4		10.7	4.6
	2.9625	-0.8		11.85	3.7
	3.1	-5.7		12.081249999999999	1.5
	3.09375	-8.9		10.987499999999999	3.8
	1.5625000000000002	-3.8		10.86875	5.1
	1.45625	-4		10.587499999999999	4.7
	0.8500000000000001	1.9		11.537500000000003	8.1
	2.3187499999999996	-7.6		11.79375	1.3
	3.743750000000001	-9.2		12.7375	2.1
	3.85	-4.3		13.887500000000001	6.3
	3.5000000000000004	0.6		13.08125	8.5
	3.35625	3.1		11.268749999999999	8.6
	3.8874999999999993	-1.2		12.44375	5
	3.7250000000000005	-1.8		13.50625	11.3
	4.325000000000001	-0.4		13.4125	7
	3.66875	-2.5		13.350000000000003	9.7
	3.4937500000000004	5		13.29375	11.1
	3.65625	11.4		11.812500000000002	17.9
	4.812499999999999	8.6		12.593750000000002	14.3
	3.925	2.5		11.412500000000001	12.8
	1.7249999999999999	5.3		10.762500000000001	14.5
	1.3187499999999999	6.5		12.65	12.3
Feb.	3.3312500000000003	8.4		12.9625	10.7
	3.9312500000000004	7.9		13.487500000000002	19.2
	3.006250000000001	6		13.25625	13.5
	3.224999999999999	10.5		13.481249999999998	14.8
	4.4750000000000005	14.7		12.825	21.5
	3.30625	18		13.44375	22.4
	5.2625	13.3		15.406249999999998	17.3
	8.50625	0.4		16.368750000000002	13.4
	8.368749999999999	-3.6		16.4	4.3
	7.2437499999999995	-4.3		16.625000000000004	7.6
	5.39375	3.5		14.356249999999998	8.4
	4.075	11.9		13.906249999999996	15.8
	5.79375	13.2		15.13125	14.5
	6.2375	9.8		16.381250000000005	16.2
	7.13125	8.1		16.6125	17.9
	6.374999999999999	8.4		14.69375	17
	5.5249999999999995	5.9		14.925	11.5
	5.2	12.2		15.500000000000002	19.8
	4.7250000000000005	13.3		15.4125	21.9
	4.324999999999999	16.2		13.41875	22.4
	4.275	17.9		15.937500000000002	21.5
	5.168749999999999	17.5		17.1375	21.2
	7.325	14		17.3625	18.9
	8.106250000000001	15.4		17.65625	21.7
	8.325	16.7		17.193749999999998	25.5
	6.61875	7.5		16.8875	18.6
	6.462499999999999	5		15.825000000000001	14
	7.237500000000001	9.4		17.05	20.6
Mar.	7.893750000000001	12.7		18.36875	19
	8.893749999999999	1.9		18.287499999999998	18.1
	8.76875	-0.8		18.637500000000003	8.5
	9.09375	2		18.762500000000003	7.6
	8.125	4.5		18.2	16.8
	6.90625	9.5		18.075000000000003	19.8
	6.824999999999998	14.7		17.599999999999998	27.4
	7.906249999999999	17.4		17.96875	25.6
	9.143749999999999	14.9		19.312500000000004	19.2
	9.44375	7.6		19.51875	12
	9.31875	7.3		18.543750000000003	10.2
	9.4625	12.2		17.893749999999997	22.7
	8.6	16.5		18.450000000000003	24.7
	9.575000000000001	8.2		19.6875	18.6
	8.775	5.8		19.943749999999994	11.9
	10.0625	11.8		20.91875	19.4
	10.118749999999999	15.5		21.09375	25.5
	10.068750000000001	15.2		20.825	30
	9.906250000000002	15.3		21.756249999999998	29.4
	11.2625	16.1		21.793749999999996	29.7
	10.537499999999998	17.5		21.999999999999996	27.9
	10.34375	13.5		21.7375	20.4
	11.15	8.7		21.093749999999996	24.6
	10.11875	8.8		21.174999999999997	27.1
	10.13125	10.3		19.65	22.5
	10.712499999999999	7.9		20.9	24.4
	10.875	8.2		22.237500000000004	28
	11.13125	10.3		21.868750000000002	31.1
	10.525	13.8		22.318749999999998	31.1
	11.41875	14.8		22.84375	29.8
	12.581249999999997	14.8		23.3375	31.4
Apr.	10.875	14.6		22.206249999999997	32.2
	10.524999999999999	16		20.8	31.6
	10.925	16.5		22.4625	33.2
	12.34375	16.9		23.087500000000006	32.2
	11.575000000000001	10.4		22.162499999999998	21.8
	11.081249999999999	5.8		21.88125	26.3
	11.93125	8.9		22.8875	28.6
	11.8625	12.4		22.637500000000003	30.6
	11.5625	11.8		22.156250000000004	30.6
	12.231250000000001	13.7		21.975	27.5
	13.0625	16.1		23.41875	23.9
	12.84375	16.9		23.525	27.3
	12.9125	15.5		23.06875	25.8
	13.850000000000001	13.7		24.087500000000002	21.6
	14.06875	15.8		24.937499999999996	29.1
	14.437500000000002	15.4		25.3625	26.4
	14.575	12.5		24.0875	25.3
	14.525	12.3		25.51875	23.3
	14.71875	6.8		25.562500000000004	24.6
	14.687499999999998	8		24.412499999999998	28.8
	14.03125	11.2		23.75	29
	13.568749999999998	16.3		24.799999999999997	28.7
	13.787499999999998	15.5		24.624999999999996	20.4
	13.999999999999998	10.4		25.34375	24.2
	15.6	14.7		26.5	22.7
	15.843749999999998	14.4		25.443749999999998	29.9
	15.631249999999998	16		26.368749999999995	28.7
	15.7625	14.7		25.537499999999998	23.1
	15.16875	11.5		25.55625	28.4
	15.175000000000002	14.2		25.681250000000002	26
May	15.8375	9.4		25.6625	27.6
	15.95625	12.4		26.04375	32.6
	15.962499999999999	18.2		26.762499999999996	34.3
	16.56875	16.9		25.681249999999995	33.3
	17.14375	18.4		26.93125	35
	17.387500000000003	20.7		28.34375	33.5
	17.38125	19.2		27.443750000000005	29.5
	17.4	20.4		28.087500000000002	32.3
	17.83125	19.8		27.7625	23.7
	17.618750000000002	20.5		27.856250000000003	27.8
	17.325	20.3		27.775000000000002	25.4
	18.33125	20.5		28.68125	26.9
	18.487499999999997	20.6		28.30625	29.9
	19.099999999999998	21.2		28.54375	30.7
	19.056250000000002	21.3		28.437500000000004	30.4
	18.79375	20.2		27.96875	28.8
	18.80625	19.4		28.90625	22.3
	18.925	17.3		29.1	28.7
	19.256249999999998	18.7		29.125	27.9
	19.10625	13.3		29.712500000000006	28
	19.175	12.7		29.531250000000004	31.5
	20.1	15.2		29.224999999999998	32.9
	20.256249999999998	17.4		28.975000000000005	33.9
	19.95	19.2		29.474999999999998	31.6
	19.737500000000004	20.8		28.74375	28
	19.64375	21.3		29.1125	28
	19.825	20.8		29.86875	31.9
	20.11875	21.9		29.312500000000004	33.2
	20.075	23.4		29.2	34
	20.41875	23		30.23125	34.9
	20.581249999999997	23.3		30.77499999999999	34.2
Jun.	20.993750000000002	20.1		31.35625	31.3
	20.481250000000003	19.3		31.2375	25.8
	20.9	20.2		31.2	31.7
	20.768750000000004	22.6		31.35	31.7
	20.8375	21		30.125	31.3
	20.75	20.7		30.462499999999995	33
	20.943749999999998	20.8		30.993750000000006	31.4
	21.112499999999997	21.7		31.125000000000004	32.3
	21.575000000000003	20.9		31.668750000000003	30.5
	22.28125	16.9		31.63125	32.7
	21.83125	18.7		31.712500000000002	31.3
	21.7125	19.5		32.081250000000004	33.4
	22.025000000000002	23.1		31.6625	35.7
	21.118750000000002	22.3		30.98125	36.7
	21.08125	23.2		30.91875	38
	21.650000000000002	23.9		31.418750000000003	35.9
	22.043749999999996	24.3		31.856250000000006	38.1
	22.1625	23.4		31.787499999999998	39.1
	22.068750000000005	24.9		31.275000000000006	35.7
	21.825	20.5		31.374999999999996	37.5
	21.912499999999998	23.1		31.35625	34.9
	22.1875	21.6		31.36875	32.3
	22.54375	21.6		31.393750000000004	34.4
	22.768750000000004	22.5		31.76875	36.2
	22.73125	23.2		32.0125	37.3
	22.562500000000004	21.9		31.4125	34.9
	22.45	22.2		31.574999999999996	36.5
	22.549999999999997	21.7		31.668750000000003	33.4
	22.362499999999997	21.8		31.543749999999996	29
	22.787499999999998	21.6		31.91250000000001	27.3
Jul.	22.324999999999996	21.2		31.962500000000002	31.5
	22.26875	23		31.549999999999997	32.8
	21.856249999999996	22.7		32.08125	35.1
	22.25625	21.9		31.874999999999996	34
	22.71875	22.4		31.81875	33.8
	22.712500000000002	21.6		31.325000000000003	35.3
	22.74375	22.6		31.96875	34.3
	22.825000000000003	22.8		31.1875	33.2
	22.4625	22.7		31.174999999999997	32.9
	22.46875	23.8		31.88125	33
	22.475	22.5		31.6875	31.6
	22.58125	22.4		32.75	33.8
	22.73125	23.8		33.05	35.6
	23.081249999999997	23.9		32.75	38.3
	22.8125	23.4		32.4	35.8
	22.41875	21.2		31.981249999999992	35.1
	22.531249999999993	18.4		32.3625	35.5
	22.668750000000003	21.5		31.743750000000002	32.8
	21.78125	23.2		31.568749999999998	33.3
	21.96875	20.5		31.587499999999995	30.1
	21.6875	22		31.375	31.6
	21.8	20.4		31.5125	35.5
	22.2	20.8		31.193749999999998	32.1
	22.35	21		31.562500000000004	31.8
	22.318749999999998	21		31.3375	34.2
	22.31875	21.9		31.65625	32.7
	22.649999999999995	21.6		31.593750000000004	35.8
	22.54375	23.1		31.274999999999995	37
	22.41875	20.8		32.125	36.6
	22.156249999999996	23.8		32.0625	37.3
	22.01875	23.9		32.118750000000006	38.4
Aug.	21.924999999999997	23.8		30.94375	35.8
	21.375	26.8		30.787499999999998	38.1
	21.33125		24.6	30.462500000000002		39.7
	21.956250000000004		24.8	31.431250000000002		35.2
	21.881250000000005		23.7	30.6625		35.7
	22.1875		25.9	31.04375		38.9
	21.962500000000002		23.6	31.206249999999997		35
	22.28125		23.6	31.081250000000008		33.9
	21.718750000000004		21.4	30.812500000000004		32.4
	20.825000000000003		21.3	30.64375		32.6
	20.481250000000003		20.4	29.924999999999994		30.2
	20.24375		20.3	30.275000000000002		30.8
	20.837500000000002		21	30.931250000000002		30.8
	20.937500000000004		21.2	31.1875		30.4
	21.418749999999992		21.2	30.593750000000004		30.9
	21.45625		21.3	29.65625		28.9
	21.075		20.9	29.9		29.9
	21.29375		21.2	30.6875		30.6
	21.312499999999996		21	31.18125		30.1
	21.231250000000003		20.6	30.68125		30.2
	20.775000000000002		20.6	29.868750000000002		29.6
	20.71875		20.5	29.843749999999996		29.6
	20.54375		20.2	29.63125		29.6
	19.7875		19.6	29.256249999999994		30
	19.275000000000002		19.4	29.800000000000004		29.4
	19.7125		19.4	29.25		29.3
	19.01875		19.1	29.256249999999998		29
	19.43125		19.6	29.506249999999998		29
	20.11875		19.8	29		28.5
	18.875		18.9	28.581250000000004		28.5
	18.787499999999998		19	28.4875		28.6
Sep.	19.05625		18.9	28.206249999999997		27.9
	19.2		19.1	27.8875		27.7
	18.775			28.631249999999998
	18.6375			28.193749999999998
	18.74375			27.8125
	18.843749999999996			29.037499999999998
	18.70625			28.70625
	18.9625			28.3125
	17.743750000000002			28.3375
	17.656250000000004			27.787500000000005
	17.799999999999997			27.056250000000006
	19.025			27.356250000000003
	18.2875			26.83125
	17.66875			26.656249999999996
	17.962500000000002			27.375
	17.331249999999997			26.231250000000003
	15.95625			25.287499999999998
	15.8875			25.775
	15.618749999999997			25.025
	15.3125			25.1875
	15.056250000000002			25.218750000000004
	15.524999999999999			25.7125
	15.74375			26.14375
	16.4			25.21875
	15.700000000000001			25.137500000000003
	15.437500000000002			24.69375
	15.275			24.95625
	15.03125			24.6125
	15.087500000000002			24.6875
	13.937499999999998			24.65
Oct.	14.25625			24.031250000000004
	13.100000000000001			22.650000000000002
	11.35625			21.95
	10.3			21.2375
	10.356250000000001			20.481250000000003
	10.3			22.08125
	10.86875			22.612500000000004
	11.200000000000001			22.549999999999997
	10.15625			21.5875
	10.756250000000001			22.631249999999998
	12.0875			21.9625
	12.437500000000002			21.481249999999996
	12.462500000000002			21.73125
	12.09375			21.081249999999997
	10.8875			18.462499999999995
	10.075			19.44375
	9.306249999999999			20.118750000000006
	8.9875			18.975
	9.35			18.44375
	8.55625			18.86875
	9.462499999999999			18.956249999999997
	10.84375			19.068749999999998
	10.56875			20.09375
	10.631250000000001			20.074999999999996
	9.29375			18.7375
	8.51875			17.525000000000002
	8.106250000000001			17.74375
	8.18125			18
	7.59375			17.025
	6.175000000000002			16.006249999999998
	5.737500000000001			14.8375
Nov.	6.706250000000001			13.749999999999998
	7.074999999999999			16.575
	6.8687499999999995			16.881249999999998
	6.668749999999999			16.54375
	6.21875			16.743750000000002
	6.85625			15.581249999999995
	7.331250000000001			16.8625
	7.3062499999999995			16.281250000000004
	5.925			15.6625
	6.218749999999999			15.78125
	6.1187499999999995			15.431249999999997
	5.906249999999999			14.8875
	4.924999999999999			14.33125
	3.6500000000000004			13.593750000000002
	4.76875			14.1875
	6.65			15.424999999999999
	5.6375			15.0875
	5.7250000000000005			14.006250000000001
	5.7124999999999995			14.437499999999996
	5.8			14.343749999999998
	6.98125			13.6625
	6.081249999999999			13.681249999999997
	4.887500000000001			12.2875
	3.8874999999999997			11.10625
	3.8687500000000004			12.125
	3.7437499999999995			12.175000000000002
	4.11875			13.493750000000002
	2.7937499999999997			11.381250000000001
	2.81875			11.818750000000003
	4.5249999999999995			12.393749999999997
Dec.	3.76875			12.906250000000002
	4.437499999999999			12.70625
	4.94375			12.16875
	4.5125			12.25625
	2.4875			12.5625
	4.15			11.906250000000002
	5.2562500000000005			11.856250000000001
	5.625			12.43125
	3.80625			12.950000000000001
	4.2437499999999995			12.437500000000002
	4.50625			11.90625
	4.9312499999999995			12.44375
	5.293749999999999			12.237499999999997
	5.4375			12.424999999999997
	5.71875			13.05
	5.8062499999999995			13.2375
	5.199999999999999			12.226666666666667

Max Temp.

Historic Max Temp.

Min Temp.

Historic Min Temp.

Yearly Summary 2026

39°C

Highest Temp

2 Jul. 26

-9°C

Lowest Temp

1 Feb. 26

Seasonal Breakdown

Hottest MonthAugust34.57°C

Coldest MonthJanuary2.62°C

Wettest MonthMay9.22mm

Windiest MonthMarch17.43km/h

Decatur 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 Decatur historically?

July is historically Decatur's hottest month, with average maximum temperatures around 32°C. During peak heatwave events, the highest recorded temperatures have reached 42°C on 2012-06-30.

2. What is the coldest month in Decatur historically?

January is Decatur's coldest month, with average minimum temperatures around 2°C. The all-time record low of -13°C was recorded on 2014-01-07.

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

Decatur's average annual rainfall is approximately 1502.7mm, based on records spanning 17 years.

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

Decatur historically records approximately 183.1 rainy days per year. July has the highest number of rain days at an average of 23.05 days.

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

The all-time highest temperature recorded in Decatur is 42°C on 2012-06-30.

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

The all-time lowest temperature recorded in Decatur is -13°C on 2014-01-07.

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

Decatur experiences its strongest winds during January. The historic gust record of 52.5 kph was recorded on 2017-09-11.

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

Usually, Decatur's humidity peaks in December at around 73.8% and drops to its lowest in October at approximately 64.9%.

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

Decatur Weather Trend Graph

Yearly Summary 2026

Seasonal Breakdown

Frequently Asked Questions

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