Best year time to visit Ostashkov

General weather information about Ostashkov

Average annual temperature is 6.1 °C

Absolute maximum temperature: 29.6 °C

Absolute minimum temperature: -27.9 °C

Number of sunny days: 105 days

Number of rainy days: 184 days

Number of snow days: 76 days

Look at detailed online map of Ostashkov

* Weather data for Ostashkov Russia is based on climate observations for 2026 year

Ostashkov air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	4.7	1.9	9.7	19.0	22.1	26.4	26.4	29.6	22.5	16.4	12.3	4.0
Average daytime temperature (°C)	-3.1	-3.2	2.8	12.2	15.9	20.2	20.6	22.7	18.6	6.7	1.2	-3.3
Average temperature (°C)	-5.2	-5.3	-0.6	6.9	11.4	16.0	17.1	19.1	14.7	4.5	-1.0	-5.1
Average night temperature (°C)	-7.6	-7.9	-4.1	1.7	5.9	10.5	13.2	15.2	10.4	2.2	-3.3	-7.2
Absolute minimum temperature (°C)	-27.9	-17.4	-10.9	-2.8	-1.8	3.7	10.7	10.8	5.7	-4.2	-11.7	-18.0

Ostashkov monthly weather indicators

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daylight maximum duration (h)	8.0	10.0	13.0	15.0	17.0	17.0	17.0	16.0	13.0	11.0	9.0	7.0
Daylight mean duration (h)	7.5	9.5	11.8	14.3	16.5	17.8	17.2	15.2	12.8	10.4	8.1	6.8
Daylight minimum duration (h)	6.0	8.0	10.0	13.0	15.0	17.0	16.0	14.0	11.0	9.0	7.0	6.0
Sunshine mean duration (h)	0.9	1.9	4.2	9.6	12.3	13.3	12.1	10.5	9.7	2.9	1.5	0.3
Precipitation (mm)	67	61	70	42	27	39	99	125	47	138	99	66
Sunny days	8	4	8	21	18	12	3	8	17	2	2	2
Rainy days	9	4	14	8	12	18	28	23	13	26	17	12
Snow days	14	20	9	1	1	0	0	0	0	3	11	17

Ostashkov - weather forecast by months

Ostashkov weather in january Ostashkov weather in february Ostashkov weather in march Ostashkov weather in april Ostashkov weather in may Ostashkov weather in june Ostashkov weather in july Ostashkov weather in august Ostashkov weather in september Ostashkov weather in october Ostashkov weather in november Ostashkov weather in december

Best time to visit Ostashkov:

The best time to visit Ostashkov during the most sunny months:

April — 9.6(h)
May — 12.3(h)
June — 13.3(h)
July — 12.1(h)
August — 10.5(h)
September — 9.7(h)

Months with the longest average daylight duration in Ostashkov:

May — 16.5(h)
June — 17.8(h)
July — 17.2(h)

The largest precipitation sum in Ostashkov is at

July — 99(mm)

August — 125(mm)

October — 138(mm)

November — 99(mm)

Weather forecast in the closest to Ostashkov admin centers