Climate averages 1991–2020
Petrozavodsk weather
in December.
A freezing month with moderate precipitation: the 10th warmest and the 5th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a freezing month in Petrozavodsk: daytime highs average -3.4°C and nights cool to about -7.2°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 41 mm of precipitation on roughly 11 days, which makes December a month with moderate precipitation (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 5 h 27 min on an average December day.
The nearest other city in this atlas is Joensuu (254 km away). In December its highs average -3.3°C, about as warm as Petrozavodsk, with 53 mm of precipitation.
Among the 236 cities listed in Russia, Petrozavodsk ranks joint 89th of 236 for the warmest December highs and joint 147th of 236 for the driest December (precipitation, lowest first). The mean December high of those 236 cities is -5.4°C; Petrozavodsk is 2.0°C warmer than that mean.
From December to January, average highs fall by 2.7°C to -6.1°C, and monthly precipitation falls from 41 mm to 32 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
Petrozavodsk climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | -6.1°C-10.4°C | -10.4°C | 32 | 8.8 | 6.36 h |
| February | -6.0°C-10.4°C | -10.4°C | 28 | 8.2 | 8.89 h |
| March | -1.2°C-6.5°C | -6.5°C | 33 | 8.8 | 11.712 h |
| April | 5.2°C-1.5°C | -1.5°C | 37 | 9.0 | 14.715 h |
| May | 12.1°C4.6°C | 4.6°C | 55 | 10.9 | 17.618 h |
| June | 17.4°C10.8°C | 10.8°C | 68 | 12.1 | 19.419 h |
| July | 20.5°C14.5°C | 14.5°C | 86 | 14.0 | 18.619 h |
| August | 18.4°C13.1°C | 13.1°C | 88 | 13.4 | 16.016 h |
| September | 13.0°C8.6°C | 8.6°C | 58 | 11.6 | 13.013 h |
| October | 5.8°C2.6°C | 2.6°C | 55 | 11.5 | 10.110 h |
| November | -0.1°C-3.1°C | -3.1°C | 49 | 10.9 | 7.27 h |
| December, selected | -3.4°C-7.2°C | -7.2°C | 41 | 11.4 | 5.45 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
- Joensuu in DecemberFinland · 254 kmHigh -3.3°C · Low -6.8°C · 53 mm precipitation
- Saint Petersburg in DecemberRussia · 300 kmHigh -1.6°C · Low -5.0°C · 49 mm precipitation
- Kolpino in DecemberRussia · 305 kmHigh -1.7°C · Low -5.4°C · 42 mm precipitation
- Pushkin in DecemberRussia · 315 kmHigh -1.9°C · Low -5.7°C · 42 mm precipitation
- Peterhof in DecemberRussia · 320 kmHigh -1.3°C · Low -4.4°C · 53 mm precipitation
- Vyborg in DecemberRussia · 322 kmHigh -1.4°C · Low -5.0°C · 59 mm precipitation
- Gatchina in DecemberRussia · 336 kmHigh -1.9°C · Low -5.7°C · 44 mm precipitation
- Lappeenranta in DecemberFinland · 337 kmHigh -2.0°C · Low -5.5°C · 52 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 Petrozavodsk) is explained once on the Petrozavodsk year overview and on the Sources, method and limits page.