Climate averages 1991–2020
Bielsko-Biala weather
in May.
A mild, wet month: the 5th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a mild month in Bielsko-Biala: daytime highs average 17.8°C and nights cool to about 8.4°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 120 mm of rain on roughly 17 days, which makes May a wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 15 h 22 min on an average May day.
The nearest other city in this atlas is Tychy (35 km away). In May its highs average 18.0°C, about as warm as Bielsko-Biala, with 80 mm of rain.
Among the 60 cities listed in Poland, Bielsko-Biala ranks 51st of 60 for the warmest May highs and 60th of 60 for the driest May (rainfall, lowest first). The mean May high of those 60 cities is 18.1°C; Bielsko-Biala is 0.4°C cooler than that mean.
From May to June, average highs rise by 3.1°C to 20.9°C, and monthly rainfall rises from 120 mm to 123 mm.
The annual picture
May 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, selected | 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 | 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
May in nearby cities
- Tychy in MayPoland · 35 kmHigh 18.0°C · Low 8.7°C · 80 mm rain
- Jastrzębie Zdrój in MayPoland · 37 kmHigh 18.2°C · Low 8.8°C · 85 mm rain
- Mysłowice in MayPoland · 44 kmHigh 18.3°C · Low 9.0°C · 82 mm rain
- Havířov in MayCzechia · 44 kmHigh 18.0°C · Low 8.4°C · 99 mm rain
- Jaworzno in MayPoland · 46 kmHigh 17.9°C · Low 8.6°C · 82 mm rain
- Rybnik in MayPoland · 47 kmHigh 18.4°C · Low 8.8°C · 85 mm rain
- Katowice in MayPoland · 49 kmHigh 18.1°C · Low 8.9°C · 80 mm rain
- Sosnowiec in MayPoland · 52 kmHigh 18.3°C · Low 9.1°C · 80 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.