Climate averages 1991–2020
Omsk weather
in December.
A freezing month with light precipitation: the 10th warmest and the 4th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a freezing month in Omsk: daytime highs average -10.3°C and nights cool to about -16.7°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 21 mm of precipitation on roughly 7 days, which makes December a month with light precipitation (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 7 h 18 min on an average December day.
The nearest other city in this atlas is Petropavl (270 km away). In December its highs average -9.7°C, 0.6°C warmer than Omsk, with 21 mm of precipitation.
Among the 236 cities listed in Russia, Omsk ranks 196th of 236 for the warmest December highs and joint 27th of 236 for the driest December (precipitation, lowest first). The mean December high of those 236 cities is -5.4°C; Omsk is 4.9°C cooler than that mean.
From December to January, average highs fall by 2.9°C to -13.2°C, and monthly precipitation falls from 21 mm to 14 mm.
The annual picture
December 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 | 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, selected | -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
December in nearby cities
- Petropavl in DecemberKazakhstan · 270 kmHigh -9.7°C · Low -15.7°C · 21 mm precipitation
- Kokshetau in DecemberKazakhstan · 321 kmHigh -8.7°C · Low -14.8°C · 17 mm precipitation
- Pavlodar in DecemberKazakhstan · 384 kmHigh -8.9°C · Low -15.7°C · 15 mm precipitation
- Ekibastuz in DecemberKazakhstan · 386 kmHigh -7.9°C · Low -14.7°C · 13 mm precipitation
- Astana in DecemberKazakhstan · 443 kmHigh -8.7°C · Low -15.4°C · 21 mm precipitation
- Tobolsk in DecemberRussia · 474 kmHigh -11.2°C · Low -17.2°C · 26 mm precipitation
- Kurgan in DecemberRussia · 511 kmHigh -9.5°C · Low -15.9°C · 23 mm precipitation
- Tyumen in DecemberRussia · 542 kmHigh -10.2°C · Low -16.4°C · 22 mm precipitation
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.