Climate averages 1991–2020
Bydgoszcz weather
in December.
A cold, fairly dry month: the 11th warmest and the 5th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a cold month in Bydgoszcz: daytime highs average 2.7°C and nights cool to about -1.2°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 39 mm of rain on roughly 9 days, which makes December a fairly dry month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 7 h 39 min on an average December day.
The nearest other city in this atlas is Fordon (11 km away). In December its highs average 2.7°C, about as warm as Bydgoszcz, with 40 mm of rain.
Among the 60 cities listed in Poland, Bydgoszcz ranks joint 19th of 60 for the warmest December highs and joint 4th of 60 for the driest December (rainfall, lowest first). The mean December high of those 60 cities is 2.4°C; Bydgoszcz is 0.3°C warmer than that mean.
From December to January, average highs fall by 1.3°C to 1.4°C, and monthly precipitation falls from 39 mm to 38 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
Bydgoszcz climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 1.4°C-3.0°C | -3.0°C | 38 | 10.0 | 8.28 h |
| February | 3.0°C-2.5°C | -2.5°C | 32 | 8.2 | 9.810 h |
| March | 7.1°C-0.3°C | -0.3°C | 43 | 10.0 | 11.812 h |
| April | 13.5°C3.8°C | 3.8°C | 35 | 8.8 | 13.914 h |
| May | 18.4°C8.8°C | 8.8°C | 58 | 10.7 | 15.816 h |
| June | 21.5°C12.5°C | 12.5°C | 63 | 11.2 | 16.917 h |
| July | 23.5°C14.9°C | 14.9°C | 83 | 11.6 | 16.416 h |
| August | 23.3°C14.7°C | 14.7°C | 61 | 10.4 | 14.815 h |
| September | 18.4°C10.9°C | 10.9°C | 50 | 8.7 | 12.713 h |
| October | 12.6°C6.5°C | 6.5°C | 42 | 9.2 | 10.611 h |
| November | 6.7°C2.4°C | 2.4°C | 36 | 8.9 | 8.79 h |
| December, selected | 2.7°C-1.2°C | -1.2°C | 39 | 9.3 | 7.78 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
- Fordon in DecemberPoland · 11 kmHigh 2.7°C · Low -1.2°C · 40 mm rain
- Inowrocław in DecemberPoland · 40 kmHigh 2.4°C · Low -1.5°C · 39 mm rain
- Toruń in DecemberPoland · 41 kmHigh 2.6°C · Low -1.4°C · 40 mm rain
- Grudziądz in DecemberPoland · 64 kmHigh 2.5°C · Low -1.5°C · 42 mm rain
- Gniezno in DecemberPoland · 71 kmHigh 2.6°C · Low -1.4°C · 41 mm rain
- Piła in DecemberPoland · 85 kmHigh 2.9°C · Low -1.0°C · 44 mm rain
- Włocławek in DecemberPoland · 89 kmHigh 2.5°C · Low -1.5°C · 42 mm rain
- Konin in DecemberPoland · 101 kmHigh 2.8°C · Low -1.4°C · 40 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 Bydgoszcz) is explained once on the Bydgoszcz year overview and on the Sources, method and limits page.