Climate averages 1991–2020
Bielsko-Biala weather
in December.
A cold, moderately wet month: the 11th warmest and one of the driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a cold month in Bielsko-Biala: daytime highs average 2.4°C and nights cool to about -2.9°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 64 mm of rain on roughly 12 days, which makes December a moderately wet month (one of the driest months of the year). Daylight, from sunrise to sunset, lasts about 8 h 12 min on an average December day.
The nearest other city in this atlas is Tychy (35 km away). In December its highs average 2.3°C, about as warm as Bielsko-Biala, with 45 mm of rain.
Among the 60 cities listed in Poland, Bielsko-Biala ranks joint 28th of 60 for the warmest December highs and 59th of 60 for the driest December (rainfall, lowest first). The mean December high of those 60 cities is 2.4°C; Bielsko-Biala is level with that mean.
From December to January, average highs fall by 1.4°C to 1.1°C, and monthly precipitation rises from 64 mm to 65 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
Bielsko-Biala climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 1.1°C-4.9°C | -4.9°C | 65 | 13.1 | 8.69 h |
| February | 2.7°C-4.4°C | -4.4°C | 64 | 12.5 | 10.110 h |
| March | 7.2°C-1.2°C | -1.2°C | 72 | 13.6 | 11.912 h |
| April | 13.4°C3.3°C | 3.3°C | 73 | 12.9 | 13.714 h |
| May | 17.8°C8.4°C | 8.4°C | 120 | 16.9 | 15.415 h |
| June | 20.9°C12.3°C | 12.3°C | 123 | 16.1 | 16.316 h |
| July | 22.8°C14.3°C | 14.3°C | 141 | 17.2 | 15.916 h |
| August | 22.9°C14.0°C | 14.0°C | 106 | 13.3 | 14.514 h |
| September | 18.1°C10.1°C | 10.1°C | 100 | 13.0 | 12.713 h |
| October | 13.1°C6.0°C | 6.0°C | 76 | 11.9 | 10.811 h |
| November | 7.6°C1.8°C | 1.8°C | 66 | 11.9 | 9.19 h |
| December, selected | 2.4°C-2.9°C | -2.9°C | 64 | 12.2 | 8.28 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
- Tychy in DecemberPoland · 35 kmHigh 2.3°C · Low -2.7°C · 45 mm rain
- Jastrzębie Zdrój in DecemberPoland · 37 kmHigh 2.6°C · Low -2.3°C · 46 mm rain
- Mysłowice in DecemberPoland · 44 kmHigh 2.3°C · Low -2.6°C · 45 mm rain
- Havířov in DecemberCzechia · 44 kmHigh 2.1°C · Low -2.7°C · 55 mm rain
- Jaworzno in DecemberPoland · 46 kmHigh 1.9°C · Low -3.0°C · 45 mm precipitation
- Rybnik in DecemberPoland · 47 kmHigh 2.7°C · Low -2.2°C · 46 mm rain
- Katowice in DecemberPoland · 49 kmHigh 2.2°C · Low -2.6°C · 45 mm rain
- Sosnowiec in DecemberPoland · 52 kmHigh 2.3°C · Low -2.5°C · 45 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 Bielsko-Biala) is explained once on the Bielsko-Biala year overview and on the Sources, method and limits page.