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

Sumy Weather Trend Graph

Temperature (°C)

Months

Months	Historic Min Temp.	Min Temp.	Forecasted Min Temp.	Historic Max Temp.	Max Temp.	Forecasted Max Temp.
	-4.2	-16.4		-0.2250000000000002	-7.3
	-4.15625	-16.3		0.10625000000000001	0.4
	-4.9125000000000005	-5.8		-1.00625	1.1
	-5.493750000000001	-9.5		-2.15625	-2.4
	-5.58125	-13.5		-1.9250000000000005	-2.9
	-7.881250000000001	-6.1		-1.60625	1.9
	-7.206250000000001	0.5		-3.2125000000000004	1.7
	-7.4125	1.3		-3.1374999999999993	3.9
	-6.525	-6.1		-2.025	4
	-5.2625	-8.6		-1.225	-5.7
	-5.80625	-9.7		-1.0999999999999999	-7.9
	-6.6812499999999995	-13.4		-2.4125	-9.4
	-7.20625	-10.5		-2.0375	-7
	-6.087500000000001	-9.3		-1.8687500000000001	-7.3
Jan.	-6.306250000000001	-11.7		-2.274999999999999	-8.4
	-6.849999999999999	-12.6		-2.525	-8.2
	-7.65	-13.4		-3.6187499999999995	-9.1
	-7.643750000000002	-12		-2.4125000000000005	-7.2
	-8.46875	-12.2		-4.0125	-6.7
	-8.8125	-11		-3.862499999999999	-6.7
	-7.906250000000001	-10.2		-3.6812499999999995	-5.6
	-8.975000000000001	-10.4		-4.3374999999999995	-3.8
	-8.856250000000003	-11.5		-4.53125	-8.1
	-10.3625	-13.6		-5.218749999999999	-9.2
	-11.087499999999999	-11.3		-6.268750000000002	-7.8
	-10.88125	-11.9		-5.58125	-7.1
	-9.01875	-8.5		-4.41875	-5.4
	-7.65625	-5.6		-3.1062499999999997	1.5
	-7.987500000000001	0		-2.6374999999999993	0.9
	-7.162500000000001	-8.7		-3.0124999999999993	-0.3
	-7.125	-14.6		-2.1875000000000004	-8.5
	-6.8875	-24		-2.63125	-15.6
	-6.575	-23.9		-1.8187499999999996	-16.6
	-5.506249999999999	-21.8		-1.1125	-14.4
	-5.1125	-21.1		-0.9375000000000002	-11.7
	-7.050000000000001	-17.9		-2.3874999999999993	-9.7
	-8.743750000000002	-11.1		-3.39375	-6.2
	-9.38125	-6.1		-4.012499999999999	-1.9
	-8.600000000000001	-14.2		-3.7249999999999996	-2.7
	-8.231250000000001	-16.5		-3.14375	-10.2
	-6.4	-20.7		-2.2125000000000004	-9.3
	-7.1000000000000005	-17.3		-2.14375	-5.1
	-6.64375	-8.6		-1.35625	1.5
	-6.9624999999999995	-1.4		-1.7874999999999999	1.8
	-6.31875	-0.5		-1.0437499999999995	0.9
Feb.	-6.94375	-3.2		-1.3812500000000003	1.7
	-8.118749999999999	-9.3		-2.81875	2.4
	-7.999999999999999	-12.2		-2.6999999999999997	-7.3
	-8.04375	-12.3		-2.525	-2.9
	-8.15625	-11.8		-2.16875	0.1
	-6.949999999999999	-17.1		-1.5125	-4.6
	-5.518750000000001	-17.1		-0.13124999999999998	-3.6
	-6.19375	-17.4		-0.6312500000000001	-1.4
	-6.624999999999999	-5.1		-1.325	0.2
	-6.199999999999999	-0.9		-0.8437500000000002	1
	-5.962500000000001	-0.9		-0.07500000000000007	0.6
	-5.4375	-1.5		-0.025000000000000078	0.1
	-4.6000000000000005	-7.4		0.5687500000000001	0.9
	-4.85	-5.6		0.8249999999999998	0.4
	-3.99375	-6		1.2625000000000002	1.2
	-4.0874999999999995	-5.4		1.21875	1.2
	-2.9749999999999996	-1.9		2.5937500000000004	0.5
	-2.7687500000000003	-1.9		2.5875	1.8
	-2.806249999999999	-2.9		2.63125	0.7
	-3.099999999999999	-2.7		3.80625	0
	-3.0499999999999994	-1.7		3.575	1.3
	-3.45625	-0.3		3.38125	3.5
	-3.5562500000000004	-0.7		3.8562499999999993	5.5
	-4.2250000000000005	-1.4		4.1	6.1
	-3.8125	0.9		4.34375	9.2
	-2.9750000000000005	1.2		4.0125	11.4
	-2.2875	2.5		4.45625	12
	-0.7750000000000002	1		5.531250000000001	10.2
Mar.	-1.2125	0.4		6.106249999999999	9.4
	-2.4812499999999997	0.1		3.29375	8.6
	-3.8749999999999996	1.6		2.35	4.8
	-4.287499999999999	0.7		2.9000000000000004	1.9
	-3.450000000000001	0.7		5.2375	3.3
	-2.23125	1		5.48125	3.5
	-1.40625	1.9		5.9625	7.1
	-1.1812499999999997	0		7.043749999999999	3.7
	-0.8749999999999998	-0.1		6.143749999999999	8.9
	-1.0624999999999998	1		7.125000000000001	9.8
	-0.6500000000000001	0.5		6.4625	9.9
	-0.9187500000000003	4.6		6.843750000000001	14.1
	-1.3812499999999999	3.6		6.84375	9.6
	-1.2312500000000002	4.6		6.893749999999999	12.4
	-1.3437500000000002	6.8		6.75	14.4
	-0.25000000000000006	6.2		7.699999999999998	14.2
	1.475	9		9.875	16.5
	2.61875	9.2		9.812499999999998	12.7
	2.1250000000000004	5.8		10.10625	12.3
	1.6812500000000001	8.6		9.375	15.5
	1.5250000000000001	8.1		10.712499999999997	15.2
	2.05	5.8		11.493749999999999	11.1
	2.8437500000000004	4		11.837500000000002	14.4
	2.7	2.4		11.5	6.7
	3.34375	1.5		11.8125	7.5
	3.375000000000001	2.5		12.293750000000001	8.7
	4.199999999999999	1.3		13.33125	2.5
	4.1812499999999995	0.9		13.23125	5.6
	3.85	2.5		12.6125	6.4
	3.9000000000000004	2.4		12.80625	10.9
	4.2250000000000005	3.4		12.64375	12.8
Apr.	3.95625	5.1		13.76875	7.6
	5.225	4.6		14.24375	16.1
	5.325	7.8		13.8375	13.4
	5.425000000000001	6.3		14.1375	11.4
	5.687499999999999	3		14.300000000000002	9.5
	4.9375	0.7		13.64375	8.1
	4.41875	-0.3		12.674999999999997	8.5
	4.2625	1.3		14.262500000000001	10.3
	4.425	1.3		14.7125	8.5
	4.7250000000000005	0.3		15.318750000000001	6.7
	5.6937500000000005	0.1		16.575	10.8
	6.956249999999999	2.1		17.193749999999998	14.6
	7.018749999999999	-0.5		16.668750000000003	6.5
	6.706250000000001	0.3		16.85	7.6
	7.05	-0.4		17.287499999999998	8.5
	8.149999999999999	-0.2		17.8125	8.2
	8.15	0.2		18.88125	9.2
	7.76875	0.8		19.131249999999998	11.9
	8.0625	4.1		19.425000000000004	14.1
	8.687500000000002	5.2		19.418749999999996	19.4
	8.00625	9.3		18.256249999999998	22
	7.99375	10.7		17.993750000000002	23.7
	8	11.9		18.875	25.4
	8.631250000000001	12.1		18.55625	22
	7.76875	12.3		17.987500000000004	18.1
	7.4125	12.3		16.837500000000002	17.4
	7.8	11.6		18.337500000000002	16.9
	8.825000000000001	11.9		19.5375	19.6
	8.793750000000001	11.6		18.95625	20.9
	9.1	10.6		18.212499999999995	18.6
May	9.012500000000001	9		18.20625	13.7
	9.69375	8		20.299999999999997	19.9
	10.631250000000001	12.8		20.256249999999998	19.6
	10.224999999999998	12.2		19.45	22.5
	10.225	14.2		20.50625	26.4
	10.237499999999999	15.5		20.181250000000002	25.5
	11.09375	14.5		20.96875	25.7
	10.46875	15.2		20.7	27.7
	11.124999999999998	13.2		21.73125	21.7
	12.162499999999998	10.9		22.45	21.6
	11.868749999999999	12.2		21.456249999999997	20.2
	11.806249999999999	9		20.84375	15.9
	11.475000000000001	7.8		21.324999999999996	16.1
	11.89375	6.7		22.343749999999996	11.4
	12.38125	4.2		22.362499999999997	12
	12.662499999999998	5.7		23.268749999999997	11.9
	13.468750000000002	4.6		22.406249999999996	15.5
	12.9875	5.9		21.59375	17.6
	12.381249999999998	8.6		21.6	20.6
	12.087499999999999	13.2		21.900000000000002	20.7
	11.881250000000001	12.5		21.818749999999998	15.5
	12.03125	12.8		22.237499999999997	23
	12.71875	13.3		22.937499999999996	24.4
	12.874999999999998	15.2		23.912499999999998	24.5
	13.5125	14.6		24.718749999999996	24.5
	13.918750000000003	14		24.16875	22.5
	13.487499999999997	13.8		23.793749999999996	23
	14.0125	15.2		23.975000000000005	26
	14.756249999999998	15.9		24.306250000000002	26.6
	14.606250000000003	11.8		24.156249999999996	18.8
	14.406249999999998	9.6		23.674999999999997	21.3
Jun.	14.66875	10.9		24.025	18.2
	14.80625	9.4		23.9875	18.7
	14.506250000000001	9.3		23.8375	19.5
	14.0125	9.8		23.756249999999998	20.1
	14.14375	10.9		24.843750000000004	22.5
	14.88125	12.4		24.725	22.9
	15.01875	11.3		25.556249999999995	22.9
	14.656249999999998	13.8		25.131249999999998	26.2
	15.112499999999999	16.4		25.131249999999994	25.9
	15.462500000000002	16.9		25.25	25.1
	15.375	14.6		24.48125	22.6
	15.087499999999999	12.3		24.75	21.5
	15.34375	13		25.7	23.4
	15.15	14.9		24.25625	23.5
	15.2625	14.2		24.26875	25.9
	15.30625	16.1		24.15	25.6
	15.149999999999999	16.3		25.456249999999997	28.8
	15.15	18.7		24.437500000000004	30.2
	15.13125	18.8		25.581249999999997	30.6
	15.806250000000002	13.9		26.706249999999997	19.7
	15.937500000000002	11.6		25.968749999999996	17.5
	15.581250000000002	10.8		26.275000000000002	19.6
	15.93125	10.1		26.437499999999993	23
	15.95	15.8		26.462500000000006	21.7
	16.0125	13.3		26.387500000000003	17.9
	15.73125	12.1		26	15.8
	15.69375	11.4		25.649999999999995	19
	16.150000000000002	12.3		26.050000000000004	21.4
	16.2	13.1		26.193749999999998	22.3
	16.0125	15.2		25.912499999999998	23.7
Jul.	15.89375	14.6		26.09375	25.2
	16.331250000000004	13.1		26.868750000000002	24.2
	16.125	11.2		26.518749999999994	19.8
	16.2625	9.6		26.76875	23.3
	16.225	12.6		26.406250000000004	25.2
	15.899999999999999	15.3		26.3	27.5
	15.98125	15.3		24.725000000000005	21.5
	15.193749999999998	12.6		25.212500000000002	22.3
	15.262499999999998	10.4		24.312500000000004	20.6
	15.143749999999999	12		25.456249999999994	21.3
	16.049999999999997	12.8		26.200000000000003	24
	16.3625	13.9		27.6875	23.9
	17.512500000000003	14.4		28.812500000000004	26.9
	17.599999999999998	13.3		28.031250000000007	20.5
	17.25625	10.7		27.824999999999996	18.8
	17.60625	12		27.268749999999997	20.9
	16.6125	13.2		26.93125	24.8
	16.368750000000002	13.8		26.743750000000006	27.1
	16.30625	15.4		27.29375	29.8
	16.281249999999996	17.3		26.85625	31.3
	16.63125	18.6		26.474999999999998	31.7
	16.64375	19.7		27.10625	32.4
	16.825	21.4		28.35	34.8
	16.974999999999998	22		28.812499999999996	34.8
	16.96875	16.9		27.925	27.9
	16.625	15.4		27.0375	26.5
	16.05		13.3	27.56875		27.4
	16.63125		15.5	27.787499999999998		31.2
	16.937500000000004		12.2	27.6625		23.8
	16.506249999999998		9.2	27.612500000000004		22.4
	16.731249999999996		8.1	27.04375		21.5
Aug.	16.6375		8.2	26.425		23.4
	16.368750000000002		12.9	26.3875		27.4
	15.38125		15.6	26.087499999999995		31.4
	15.581249999999999		15.9	25.025		25.6
	15.493749999999999		15.6	25.762500000000006		25.7
	15.081249999999999		15	26.425		26.1
	15.85		15.4	26.656250000000004		25.4
	15.2		14.7	25.518749999999997		25.3
	14.375000000000002		14.6	24.793750000000006		25
	14.556249999999999		14.2	25.281250000000004		24.8
	13.818750000000001		14.1	24.587500000000002		24.3
	14.15625		13.8	24.500000000000004		24.3
	14.662500000000001		14.2	24.45625		24.6
	14.375000000000002		14.5	25.287500000000005		24.9
	14.475		14.4	24.09375		24.1
	14.5		14.7	24.762500000000003		25.2
	14.875000000000002		14.4	24.812500000000004		24.3
	14.60625		14.3	24.74375		24.5
	13.449999999999998		13.5	23.862499999999997		23.7
	12.85625		13.3	23.30625		23.1
	13.0125		12.7	22.55625		22.2
	12.125000000000004		12.2	20.9125		20.9
	11.5875		11.3	20.94375		21.1
	11.04375		11	21.1		20.6
	10.9875		11.1	20.706250000000004		20.6
	10.6875		10.8	20.281250000000004		20.2
	10.51875			20.38125
	10.925			21.337500000000002
	11.25			22.099999999999998
	11.762500000000001			21.9875
	11.6625			21.549999999999997
Sep.	11.431250000000002			20.70625
	11.1875			20.512500000000003
	10.587499999999999			19.750000000000004
	10.793750000000001			19.58125
	9.825			18.118750000000002
	9.343750000000002			18.65
	9.5625			18.7375
	9.85			19.125
	9.71875			18.2625
	8.412500000000001			16.331249999999997
	7.387499999999998			16.6
	8.61875			17.162499999999998
	8.831249999999997			16.875
	9.18125			16.225
	8.200000000000001			15.71875
	7.59375			15.156249999999998
	6.96875			14.818750000000001
	6.9875			14.149999999999999
	6.724999999999999			14.674999999999999
	6.78125			15.168750000000003
	7.762499999999999			14.450000000000001
	7.031250000000001			14.312499999999998
	6.0625			14.4
	6.362499999999999			14.6375
	6.375			13.15
	5.918749999999999			12.725
	5.525			12.94375
	5.675			13.50625
	5.749999999999999			12.88125
	4.9375			12.256250000000001
Oct.	4.75			12.356250000000003
	4.8625			11.625
	4.99375			12.256249999999998
	4.80625			12.093750000000002
	4.28125			10.631249999999998
	3.787499999999999			10.468749999999998
	4.69375			10.25
	3.51875			9.8
	3.3125000000000004			9.731250000000001
	3.83125			9.125
	2.7375			8.437500000000002
	3.1125			8.1875
	3.09375			9.20625
	3.36875			8.80625
	2.96875			9.3875
	3.0687500000000005			9.687499999999998
	2.20625			8.537499999999998
	1.94375			7.2562500000000005
	2.58125			8.05625
	3.46875			7.937499999999999
	4.4375			8.68125
	4.175			9.337500000000002
	3.1562499999999996			8.506250000000001
	2.1812499999999995			8.21875
	3.1625			8.13125
	3.89375			8.2125
	3.6625			7.54375
	2.6124999999999994			7.15
	2.5125			6.2375
	1.3875			5.843750000000001
	0.8875			5.68125
Nov.	0.5000000000000001			3.86875
	-0.35000000000000003			4.09375
	-1.40625			3.5875000000000004
	-1.6375000000000002			2.3874999999999997
	-1.075			2.4812500000000006
	-0.7437500000000001			3.59375
	-0.7375000000000002			3.5999999999999996
	-0.8937500000000003			3.6687499999999997
	-2.78125			1.4625
	-2.84375			1.6312499999999996
	-2.76875			1.43125
	-2.0187500000000003			1.94375
	-2.4624999999999995			1.375
	-1.66875			1.8312500000000003
	-1.525			2.2249999999999996
	-2.9625000000000004			1.675
	-3.1312500000000005			0.26875000000000004
	-3.562499999999999			0.7749999999999999
	-3.4750000000000005			0.75625
	-4			0.012500000000000094
	-4.2749999999999995			0.1562499999999999
	-4.26875			-0.05000000000000002
	-3.4812499999999997			0.46875
	-3.65			-0.25000000000000006
	-2.9			0.9625
	-1.8			1.6624999999999999
	-1.7437500000000001			1.2125
	-2.76875			1.0312500000000002
	-3.5			0.22499999999999995
	-4.4125000000000005			0.024999999999999984
Dec.	-4.7875			-0.6
	-4.7			-0.4124999999999999
	-3.8312499999999994			-0.1875
	-3.7562500000000005			0.3687499999999999
	-3.8062500000000004			-0.40625000000000006
	-4.112500000000001			-0.16874999999999982
	-3.7499999999999996			0.48750000000000004
	-3.96875			0.21874999999999997
	-3.2249999999999996			0.006250000000000144
	-3.5250000000000004			0.175
	-3.7249999999999996			0.5375
	-3.8937500000000007			1.1562500000000002
	-3.24375			1.0187500000000003
	-4.40625			-0.21874999999999994
	-4.4375			-1.0250000000000001
	-5.1625			-2.1375000000000006
	-4.760000000000001			-1.413333333333333

Max Temp.

Historic Max Temp.

Min Temp.

Historic Min Temp.

Yearly Summary 2026

35°C

Highest Temp

6 Aug. 26

-24°C

Lowest Temp

1 Feb. 26

Seasonal Breakdown

Hottest MonthAugust30.7°C

Coldest MonthFebruary-11.67°C

Wettest MonthJuly3.25mm

Windiest MonthApril20.42km/h

Sumy 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 Sumy historically?

August is historically Sumy's hottest month, with average maximum temperatures around 27°C. During peak heatwave events, the highest recorded temperatures have reached 38°C on 2010-08-09.

2. What is the coldest month in Sumy historically?

January is Sumy's coldest month, with average minimum temperatures around -7°C. The all-time record low of -28°C was recorded on 2010-01-24.

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

Sumy's average annual rainfall is approximately 627.3mm, based on records spanning 17 years.

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

Sumy historically records approximately 184.05 rainy days per year. July has the highest number of rain days at an average of 17.7 days.

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

The all-time highest temperature recorded in Sumy is 38°C on 2010-08-09.

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

The all-time lowest temperature recorded in Sumy is -28°C on 2010-01-24.

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

Sumy experiences its strongest winds during January. The historic gust record of 43.6 kph was recorded on 2024-11-21.

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

Usually, Sumy's humidity peaks in January at around 91.6% and drops to its lowest in August at approximately 60.1%.

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