Best year time to visit Ust’-Sumy

General weather information about Ust’-Sumy

Average annual temperature is 3.6 °C

Absolute maximum temperature: 38.0 °C

Absolute minimum temperature: -40.6 °C

Number of sunny days: 181 days

Number of rainy days: 119 days

Number of snow days: 65 days

Look at detailed online map of Ust’-Sumy

* Weather data for Ust’-Sumy Russia is based on climate observations for 2026 year

Ust’-Sumy air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	2.3	2.5	13.2	24.0	29.1	38.0	34.8	27.1	21.1	19.7	9.5	2.2
Average daytime temperature (°C)	-10.1	-10.8	0.0	7.7	18.1	25.8	26.4	21.2	16.0	9.5	0.3	-10.5
Average temperature (°C)	-13.0	-14.3	-3.8	2.2	12.1	20.0	21.5	17.0	11.1	5.1	-2.4	-14.0
Average night temperature (°C)	-16.7	-19.0	-8.8	-4.5	4.3	13.4	16.0	11.9	6.1	0.2	-5.1	-18.1
Absolute minimum temperature (°C)	-35.0	-30.2	-17.7	-12.5	-3.0	7.7	12.0	7.4	-1.3	-13.8	-13.8	-40.6

Ust’-Sumy monthly weather indicators

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daylight maximum duration (h)	8.0	10.0	12.0	15.0	16.0	17.0	17.0	15.0	13.0	11.0	9.0	7.0
Daylight mean duration (h)	7.9	9.7	11.9	14.1	16.1	17.2	16.7	14.9	12.7	10.5	8.5	7.3
Daylight minimum duration (h)	7.0	8.0	10.0	13.0	15.0	16.0	15.0	13.0	11.0	9.0	7.0	7.0
Sunshine mean duration (h)	1.5	4.3	7.1	10.5	12.4	13.7	13.9	9.9	8.7	6.3	2.5	2.1
Precipitation (mm)	37	15	31	5	6	20	87	45	39	34	29	46
Sunny days	11	16	15	19	26	16	13	10	12	19	11	13
Rainy days	3	2	7	4	4	14	18	21	18	9	14	5
Snow days	17	10	9	7	1	0	0	0	0	3	5	13

Ust’-Sumy - weather forecast by months

Ust’-Sumy weather in january Ust’-Sumy weather in february Ust’-Sumy weather in march Ust’-Sumy weather in april Ust’-Sumy weather in may Ust’-Sumy weather in june Ust’-Sumy weather in july Ust’-Sumy weather in august Ust’-Sumy weather in september Ust’-Sumy weather in october Ust’-Sumy weather in november Ust’-Sumy weather in december

Best time to visit Ust’-Sumy:

The best time to visit Ust’-Sumy during the most sunny months:

April — 10.5(h)
May — 12.4(h)
June — 13.7(h)
July — 13.9(h)
August — 9.9(h)

Months with the longest average daylight duration in Ust’-Sumy:

May — 16.1(h)
June — 17.2(h)
July — 16.7(h)

The largest precipitation sum in Ust’-Sumy is at

July — 87(mm)

August — 45(mm)

December — 46(mm)

Weather forecast in the closest to Ust’-Sumy admin centers

Weather forecast in the closest towns to Ust’-Sumy