Average annual temperature is 9.8 °C
Absolute maximum temperature: 30 °C
Absolute minimum temperature: -6.7 °C
Number of sunny days: 119
Number of rainy days: 225
Number of snow days: 21
Average annual precipitation: 945 mm
Look at detailed online map of Sławno
* Weather data for Sławno Poland is based on climate observations for 2023 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 16 | 9.1 | 16.2 | 21.5 | 25.1 | 29.2 | 30 | 29.4 | 27.7 | 23.1 | 12.8 | 9.4 |
| Average daytime temperature (°C) | 5.3 | 4.5 | 7.5 | 11.4 | 17.3 | 22.2 | 22 | 21.8 | 22.3 | 13.5 | 6.4 | 4 |
| Average temperature (°C) | 3.3 | 2 | 4.3 | 6.9 | 12.3 | 17.3 | 17.9 | 18 | 17.7 | 10.7 | 4.2 | 2.2 |
| Average night temperature (°C) | 1 | -0.9 | 0.6 | 2.5 | 6.7 | 11.7 | 13.5 | 14.4 | 13.7 | 7.7 | 1.6 | 0.2 |
| Absolute minimum temperature (°C) | -5.1 | -5.6 | -5.4 | -4.3 | 0.9 | 2.5 | 10.6 | 10.9 | 8.7 | 3.8 | -5.5 | -6.7 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 8.8 | 10.7 | 13 | 15.1 | 16.8 | 17.2 | 17.1 | 15.8 | 13.8 | 11.6 | 9.4 | 7.7 |
| Daylight mean duration (h) | 8 | 9.8 | 11.9 | 14.1 | 16.1 | 17.1 | 16.6 | 14.9 | 12.7 | 10.5 | 8.5 | 7.4 |
| Daylight minimum duration (h) | 7.4 | 8.8 | 10.8 | 13.1 | 15.2 | 16.9 | 15.9 | 13.8 | 11.7 | 9.5 | 7.8 | 7.3 |
| Sunshine mean duration (h) | 2.9 | 5.3 | 5.9 | 8.6 | 12.5 | 14.1 | 12.4 | 9.9 | 10.1 | 5.5 | 4.2 | 3.3 |
| Precipitation (mm) | 75 | 73 | 69 | 33 | 20 | 41 | 79 | 179 | 49 | 117 | 109 | 101 |
| Sunny days | 11 | 10 | 7 | 10 | 23 | 20 | 4 | 4 | 16 | 4 | 6 | 4 |
| Rainy days | 19 | 15 | 18 | 18 | 8 | 10 | 27 | 27 | 14 | 27 | 19 | 23 |
| Snow days | 1 | 3 | 6 | 2 | 5 | 4 |
The best time to visit Sławno during the most sunny months:
Months with the longest average daylight duration in Sławno:
The largest precipitation sum in Sławno is at