Climate averages 1991–2020
Białystok weather
in January.
A freezing month with light precipitation: the coolest and the 2nd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a freezing month in Białystok: daytime highs average -0.6°C and nights cool to about -5.1°C. By daytime temperature it is the coolest month of the year.
Expect about 39 mm of precipitation on roughly 10 days, which makes January a month with light precipitation (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 8 h 09 min on an average January day.
The nearest other city in this atlas is Hrodna (75 km away). In January its highs average -1.0°C, about as warm as Białystok, with 39 mm of precipitation.
Among the 60 cities listed in Poland, Białystok ranks 60th of 60 for the warmest January highs and joint 10th of 60 for the driest January (precipitation, lowest first). The mean January high of those 60 cities is 1.1°C; Białystok is 1.8°C cooler than that mean.
From January to February, average highs rise by 1.4°C to 0.7°C, and monthly precipitation falls from 39 mm to 38 mm.
The annual picture
January 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
Białystok climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January, selected | -0.6°C-5.1°C | -5.1°C | 39 | 10.4 | 8.28 h |
| February | 0.7°C-4.6°C | -4.6°C | 38 | 9.5 | 9.810 h |
| March | 5.5°C-2.0°C | -2.0°C | 41 | 10.4 | 11.812 h |
| April | 12.5°C3.0°C | 3.0°C | 46 | 9.9 | 13.914 h |
| May | 18.0°C8.4°C | 8.4°C | 67 | 12.0 | 15.816 h |
| June | 21.3°C12.2°C | 12.2°C | 70 | 12.6 | 16.917 h |
| July | 23.3°C14.6°C | 14.6°C | 84 | 13.2 | 16.416 h |
| August | 22.8°C14.1°C | 14.1°C | 68 | 10.4 | 14.815 h |
| September | 17.4°C10.0°C | 10.0°C | 58 | 9.6 | 12.713 h |
| October | 11.1°C5.2°C | 5.2°C | 48 | 9.9 | 10.611 h |
| November | 5.1°C1.1°C | 1.1°C | 41 | 9.7 | 8.79 h |
| December | 0.9°C-3.0°C | -3.0°C | 45 | 10.1 | 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
January in nearby cities
- Hrodna in JanuaryBelarus · 75 kmHigh -1.0°C · Low -5.3°C · 39 mm precipitation
- Brest in JanuaryBelarus · 120 kmHigh -0.4°C · Low -5.0°C · 35 mm precipitation
- Siedlce in JanuaryPoland · 123 kmHigh -0.1°C · Low -4.5°C · 41 mm precipitation
- Lida in JanuaryBelarus · 164 kmHigh -1.6°C · Low -5.9°C · 43 mm precipitation
- Wawer in JanuaryPoland · 170 kmHigh 0.6°C · Low -3.9°C · 40 mm precipitation
- Praga Południe in JanuaryPoland · 171 kmHigh 0.7°C · Low -3.9°C · 40 mm precipitation
- Białołeka in JanuaryPoland · 173 kmHigh 0.7°C · Low -3.9°C · 40 mm precipitation
- Warsaw in JanuaryPoland · 176 kmHigh 0.6°C · Low -4.0°C · 40 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 Białystok) is explained once on the Białystok year overview and on the Sources, method and limits page.