Climate averages 1991–2020
Białystok weather
in July.
A warm, moderately wet month: the warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a warm month in Białystok: daytime highs average 23.3°C and nights cool to about 14.6°C. By daytime temperature it is the warmest month of the year.
Expect about 84 mm of rain on roughly 13 days, which makes July a moderately wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 16 h 25 min on an average July day.
The nearest other city in this atlas is Hrodna (75 km away). In July its highs average 23.0°C, about as warm as Białystok, with 88 mm of rain.
Among the 60 cities listed in Poland, Białystok ranks joint 41st of 60 for the warmest July highs and joint 13th of 60 for the driest July (rainfall, lowest first). The mean July high of those 60 cities is 23.4°C; Białystok is 0.1°C cooler than that mean.
From July to August, average highs fall by 0.5°C to 22.8°C, and monthly rainfall falls from 84 mm to 68 mm.
The annual picture
July 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 | -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, selected | 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
July in nearby cities
- Hrodna in JulyBelarus · 75 kmHigh 23.0°C · Low 14.5°C · 88 mm rain
- Brest in JulyBelarus · 120 kmHigh 24.1°C · Low 15.0°C · 84 mm rain
- Siedlce in JulyPoland · 123 kmHigh 23.5°C · Low 15.3°C · 83 mm rain
- Lida in JulyBelarus · 164 kmHigh 22.8°C · Low 14.5°C · 93 mm rain
- Wawer in JulyPoland · 170 kmHigh 24.0°C · Low 15.2°C · 82 mm rain
- Praga Południe in JulyPoland · 171 kmHigh 24.0°C · Low 15.2°C · 84 mm rain
- Białołeka in JulyPoland · 173 kmHigh 24.0°C · Low 15.1°C · 84 mm rain
- Warsaw in JulyPoland · 176 kmHigh 23.9°C · Low 15.0°C · 84 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 Białystok) is explained once on the Białystok year overview and on the Sources, method and limits page.