Average annual temperature is 9.8 °C
Absolute maximum temperature: 32.3 °C
Absolute minimum temperature: -8.4 °C
Number of sunny days: 134 days
Number of rainy days: 211 days
Number of snow days: 20 days
Look at detailed online map of Kościelna Jania
* Weather data for Kościelna Jania Poland is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 15.1 | 9.1 | 15.5 | 21.4 | 24.5 | 29.6 | 30.8 | 32.3 | 28.2 | 24.4 | 13.4 | 8.8 |
| Average daytime temperature (°C) | 4.5 | 3.7 | 7.5 | 11.9 | 18.9 | 23.6 | 23.9 | 23.8 | 23.6 | 13.5 | 5.7 | 3.4 |
| Average temperature (°C) | 2.5 | 0.8 | 3.6 | 7.3 | 13.2 | 18.4 | 18.8 | 19.2 | 18.1 | 10.2 | 3.2 | 1.4 |
| Average night temperature (°C) | 0.1 | -2.3 | -0.2 | 2.9 | 6.7 | 12.2 | 13.1 | 14.9 | 12.9 | 6.8 | 0.3 | -0.6 |
| Absolute minimum temperature (°C) | -5.9 | -8.4 | -4.9 | -2.7 | -0.5 | 3.8 | 10.4 | 10.7 | 7.7 | 2.8 | -7.6 | -7.3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 8.0 | 10.0 | 12.0 | 15.0 | 16.0 | 17.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 7.0 |
| Daylight mean duration (h) | 8.1 | 9.8 | 11.9 | 14.0 | 15.9 | 17.0 | 16.5 | 14.8 | 12.7 | 10.6 | 8.6 | 7.5 |
| Daylight minimum duration (h) | 7.0 | 8.0 | 10.0 | 13.0 | 15.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 7.0 | 7.0 |
| Sunshine mean duration (h) | 2.0 | 4.7 | 6.2 | 8.2 | 11.7 | 12.9 | 12.3 | 9.5 | 10.2 | 4.6 | 3.0 | 1.6 |
| Precipitation (mm) | 48 | 51 | 61 | 28 | 14 | 56 | 62 | 97 | 20 | 65 | 98 | 42 |
| Sunny days | 13 | 11 | 8 | 12 | 20 | 14 | 6 | 5 | 19 | 8 | 12 | 6 |
| Rainy days | 17 | 12 | 18 | 18 | 11 | 16 | 25 | 26 | 11 | 23 | 16 | 18 |
| Snow days | 1 | 5 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 7 |
The best time to visit Kościelna Jania during the most sunny months:
Months with the longest average daylight duration in Kościelna Jania:
The largest precipitation sum in Kościelna Jania is at