Climate averages 1991–2020
Omsk weather
in May.
A mild, fairly dry month: the 4th warmest and the 9th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
May is a mild month in Omsk: daytime highs average 18.0°C and nights cool to about 6.2°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 36 mm of rain on roughly 8 days, which makes May a fairly dry month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 16 h 06 min on an average May day.
The nearest other city in this atlas is Petropavl (270 km away). In May its highs average 17.6°C, about as warm as Omsk, with 39 mm of rain.
Among the 236 cities listed in Russia, Omsk ranks joint 85th of 236 for the warmest May highs and joint 12th of 236 for the driest May (rainfall, lowest first). The mean May high of those 236 cities is 17.0°C; Omsk is 0.9°C warmer than that mean.
From May to June, average highs rise by 4.7°C to 22.6°C, and monthly rainfall rises from 36 mm to 53 mm.
The annual picture
May in context
Monthly precipitation
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Omsk climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | -13.2°C-19.9°C | -19.9°C | 14 | 4.9 | 7.88 h |
| February | -10.6°C-17.5°C | -17.5°C | 12 | 4.2 | 9.610 h |
| March | -2.5°C-10.5°C | -10.5°C | 18 | 5.2 | 11.812 h |
| April | 9.2°C-1.3°C | -1.3°C | 30 | 7.4 | 14.114 h |
| May, selected | 18.0°C6.2°C | 6.2°C | 36 | 8.0 | 16.116 h |
| June | 22.6°C12.6°C | 12.6°C | 53 | 10.0 | 17.317 h |
| July | 24.0°C15.1°C | 15.1°C | 62 | 11.2 | 16.817 h |
| August | 21.7°C13.0°C | 13.0°C | 61 | 10.8 | 15.015 h |
| September | 15.1°C7.1°C | 7.1°C | 33 | 7.8 | 12.813 h |
| October | 6.9°C0.4°C | 0.4°C | 32 | 8.0 | 10.511 h |
| November | -3.9°C-9.6°C | -9.6°C | 29 | 7.6 | 8.58 h |
| December | -10.3°C-16.7°C | -16.7°C | 21 | 6.6 | 7.37 h |
Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
May in nearby cities
- Petropavl in MayKazakhstan · 270 kmHigh 17.6°C · Low 6.6°C · 39 mm rain
- Kokshetau in MayKazakhstan · 321 kmHigh 18.7°C · Low 7.0°C · 41 mm rain
- Pavlodar in MayKazakhstan · 384 kmHigh 20.2°C · Low 7.8°C · 28 mm rain
- Ekibastuz in MayKazakhstan · 386 kmHigh 20.3°C · Low 8.0°C · 33 mm rain
- Astana in MayKazakhstan · 443 kmHigh 19.7°C · Low 7.2°C · 35 mm rain
- Tobolsk in MayRussia · 474 kmHigh 14.8°C · Low 4.7°C · 49 mm rain
- Kurgan in MayRussia · 511 kmHigh 18.0°C · Low 6.8°C · 43 mm rain
- Tyumen in MayRussia · 542 kmHigh 16.2°C · Low 5.8°C · 46 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Omsk) is explained once on the Omsk year overview and on the Sources, method and limits page.