City break

Omsk weather in August

Temperature, rain and sunshine in August: long-term averages from 30 years of weather data, not a forecast.

83

Holiday weather in August

Excellent

Best time to visit: May – August

What is the weather like in Omsk in August?

In August, Omsk is warm: daytime highs average 22 °C, and nights cool down to about 13 °C. The sun shines for around 8 hours a day. Rain is frequent, with about 11 rainy days and 61 mm in total. All in all, August is an excellent month for a holiday in Omsk.

August compared

How the weather changes from July to September. Tap a month to open it.

JulyJulAugustAugSeptemberSep
Score858369
Day24°22°16°
Night15°13°7°
Sun10 h8 h6 h
Rain days11118

More details for August

Daylight
15 h 4 min05:40 – 20:43
UV index
5 · moderateclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
17 km/haverage daily peakAll months
Cloud cover
58 %on averageAll months
Hot days
2 days30 °C or moreAll months
Snow days
0 days1 cm or more of fresh snowAll months
Time zone
UTC+6Asia/Omsk

How the score comes together

  • Temperatureweight 50 %100 %
  • Sunshineweight 20 %88 %
  • Few rainy daysweight 30 %51 %

Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.

What to pack in August

  • Sunscreen
  • Sunglasses & sun hat
  • A jumper for the evenings
  • Rain jacket or umbrella

Omsk in August: quick answers

Is Omsk hot in August?

Warm rather than hot: in August, daytime highs in Omsk average 22 °C and nights cool to about 13 °C. On about 2 days the thermometer climbs to 30 °C or more.

Does it rain much in Omsk in August?

Rain is frequent, with about 11 rainy days and 61 mm in total.

Omsk month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences