Climate averages 1991–2020
Słupsk weather
in June.
A mild, moderately wet month: the 3rd warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
June is a mild month in Słupsk: daytime highs average 18.6°C and nights cool to about 12.1°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 68 mm of rain on roughly 12 days, which makes June a moderately wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 17 h 08 min on an average June day.
The nearest other city in this atlas is Koszalin (63 km away). In June its highs average 19.2°C, 0.7°C warmer than Słupsk, with 71 mm of rain.
Among the 60 cities listed in Poland, Słupsk ranks 60th of 60 for the warmest June highs and joint 19th of 60 for the driest June (rainfall, lowest first). The mean June high of those 60 cities is 21.3°C; Słupsk is 2.8°C cooler than that mean.
From June to July, average highs rise by 2.4°C to 21.0°C, and monthly rainfall rises from 68 mm to 91 mm.
The annual picture
June in context
Monthly rainfall
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
Słupsk climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 2.1°C-1.4°C | -1.4°C | 59 | 12.1 | 7.98 h |
| February | 2.7°C-1.4°C | -1.4°C | 47 | 11.0 | 9.710 h |
| March | 5.7°C0.2°C | 0.2°C | 51 | 10.5 | 11.812 h |
| April | 11.0°C3.6°C | 3.6°C | 36 | 8.8 | 14.014 h |
| May | 15.4°C8.1°C | 8.1°C | 56 | 10.5 | 16.016 h |
| June, selected | 18.6°C12.1°C | 12.1°C | 68 | 11.5 | 17.117 h |
| July | 21.0°C14.8°C | 14.8°C | 91 | 13.4 | 16.717 h |
| August | 21.1°C15.1°C | 15.1°C | 85 | 13.7 | 14.915 h |
| September | 17.1°C11.8°C | 11.8°C | 78 | 12.3 | 12.813 h |
| October | 12.0°C7.6°C | 7.6°C | 80 | 13.6 | 10.611 h |
| November | 6.9°C3.5°C | 3.5°C | 65 | 13.2 | 8.69 h |
| December | 3.4°C0.2°C | 0.2°C | 66 | 13.5 | 7.47 h |
Rainfall is the average of the 30 separate monthly totals. A rain 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
June in nearby cities
- Koszalin in JunePoland · 63 kmHigh 19.2°C · Low 12.0°C · 71 mm rain
- Gdynia in JunePoland · 97 kmHigh 19.6°C · Low 12.1°C · 73 mm rain
- Gdańsk in JunePoland · 106 kmHigh 20.1°C · Low 12.1°C · 67 mm rain
- Piła in JunePoland · 147 kmHigh 21.2°C · Low 12.3°C · 63 mm rain
- Grudziądz in JunePoland · 157 kmHigh 21.0°C · Low 12.3°C · 67 mm rain
- Elbląg in JunePoland · 158 kmHigh 19.9°C · Low 12.6°C · 68 mm rain
- Bydgoszcz in JunePoland · 162 kmHigh 21.5°C · Low 12.5°C · 63 mm rain
- Fordon in JunePoland · 164 kmHigh 21.4°C · Low 12.6°C · 64 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 Słupsk) is explained once on the Słupsk year overview and on the Sources, method and limits page.