Climate averages 1991–2020
Bydgoszcz weather
in May.
A mild, moderately wet month: the joint 4th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a mild month in Bydgoszcz: daytime highs average 18.4°C and nights cool to about 8.8°C. By daytime temperature it is the joint 4th warmest of the 12 months.
Expect about 58 mm of rain on roughly 11 days, which makes May a moderately wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 15 h 49 min on an average May day.
The nearest other city in this atlas is Fordon (11 km away). In May its highs average 18.2°C, about as warm as Bydgoszcz, with 60 mm of rain.
Among the 60 cities listed in Poland, Bydgoszcz ranks joint 23rd of 60 for the warmest May highs and joint 13th of 60 for the driest May (rainfall, lowest first). The mean May high of those 60 cities is 18.1°C; Bydgoszcz is 0.2°C warmer than that mean.
From May to June, average highs rise by 3.1°C to 21.5°C, and monthly rainfall rises from 58 mm to 63 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
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, selected | 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 | 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
May in nearby cities
- Fordon in MayPoland · 11 kmHigh 18.2°C · Low 8.9°C · 60 mm rain
- Inowrocław in MayPoland · 40 kmHigh 18.0°C · Low 8.8°C · 58 mm rain
- Toruń in MayPoland · 41 kmHigh 18.3°C · Low 8.9°C · 60 mm rain
- Grudziądz in MayPoland · 64 kmHigh 17.9°C · Low 8.6°C · 62 mm rain
- Gniezno in MayPoland · 71 kmHigh 18.1°C · Low 8.9°C · 54 mm rain
- Piła in MayPoland · 85 kmHigh 18.1°C · Low 8.7°C · 59 mm rain
- Włocławek in MayPoland · 89 kmHigh 18.5°C · Low 9.2°C · 61 mm rain
- Konin in MayPoland · 101 kmHigh 18.7°C · Low 9.2°C · 56 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.