Omsk weather by month

Warmest month

June

24°C average high

Coolest month

January

-20°C average low

Wettest month

July

30 mm of rain

Driest month

January

0 mm of rain

Average temperature and rainfall in Omsk by month

Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.

MonthAvg highAvg lowRecord low / highRainfallHumidityWind
January-11°C-20°C-35°C / -1°C
0 mm
79%14 km/h
February-10°C-18°C-35°C / 1°C
0 mm
78%14 km/h
March-2°C-10°C-25°C / 5°C
0 mm
79%17 km/h
April11°C-1°C-11°C / 27°C
14 mm
59%17 km/h
May20°C6°C-2°C / 36°C
22 mm
47%16 km/h
June24°C12°C2°C / 37°C
29 mm
56%14 km/h
July24°C14°C6°C / 32°C
30 mm
66%15 km/h
August24°C12°C5°C / 32°C
30 mm
67%12 km/h
September18°C6°C-3°C / 28°C
22 mm
66%14 km/h
October7°C-1°C-15°C / 25°C
22 mm
75%15 km/h
November-3°C-9°C-30°C / 8°C
7 mm
82%16 km/h
December-9°C-17°C-38°C / 2°C
0 mm
81%15 km/h

Frost and snow-likely months in Omsk

Nights in Omsk average 2°C or below in 7 months (January, February, March, April, October, November and December). April and October combine average lows at or below 0°C with 10 mm or more of monthly precipitation, so precipitation then is likely to fall as snow. The coldest month is January with an average low of -20°C and a record low of -35°C.

  • January: average low -20°C, record low -35°C, 0 mm of precipitation
  • February: average low -18°C, record low -35°C, 0 mm of precipitation
  • March: average low -10°C, record low -25°C, 0 mm of precipitation
  • April: average low -1°C, record low -11°C, 14 mm of precipitation — snow-likely
  • October: average low -1°C, record low -15°C, 22 mm of precipitation — snow-likely
  • November: average low -9°C, record low -30°C, 7 mm of precipitation
  • December: average low -17°C, record low -38°C, 0 mm of precipitation

These records carry temperature and precipitation, not snowfall totals.

Best time to visit Omsk

The most comfortable time to visit Omsk is generally June to August, balancing mild daytime temperatures against the driest stretch of the year. The city has strongly marked seasons and rainfall is spread evenly across the months, totalling about 176 mm a year.

Travellers who prefer heat should aim for June, when highs average 24°C. July is the month to avoid if rain would spoil your plans — it averages 30 mm, roughly 30× the rainfall of the driest month (January).

Omsk climate: your questions

Does it snow in Omsk?

Yes, in winter: April and October average lows at or below 0°C with 10 mm or more of monthly precipitation, so some of it falls as snow. The coldest month is January (average low -20°C, record low -35°C). Our records carry temperature and precipitation, not snowfall totals. What is falling now: Omsk weather today.

Will Omsk see snow this winter?

Omsk's winter months average lows of -17°C in December, -20°C in January and -18°C in February, with about 0 mm of precipitation across the three; 3 of them sit at or below 0°C, so snow is likely on the colder days. The records hold no snowfall totals. The next 15 days: Omsk 10-day forecast.

Which months are best for visiting Omsk?

June to August are the most comfortable months in Omsk, with highs near 24°C. June is the warmest month, averaging 24°C by day; July is the wettest, with 30 mm; and January is the coolest, with lows near -20°C. What it is doing today: Omsk weather today.

Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Omsk forecast for what is happening now.

Nearest cities: Monthly climate