Average annual temperature is 9.4 °C
Absolute maximum temperature: 33 °C
Absolute minimum temperature: -8.4 °C
Number of sunny days: 137
Number of rainy days: 206
Number of snow days: 22
Average annual precipitation: 676 mm
Look at detailed online map of Olsztyn
* Weather data for Olsztyn 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) | 14.4 | 8.2 | 15.1 | 20.3 | 24.5 | 29.6 | 30.8 | 33 | 28.8 | 23.6 | 12.5 | 7.7 |
| Average daytime temperature (°C) | 3.5 | 3.3 | 7 | 12.1 | 18 | 22.9 | 23.4 | 24.3 | 23.1 | 12.6 | 5 | 2.4 |
| Average temperature (°C) | 1.8 | 0.5 | 2.9 | 7.7 | 12.7 | 17.9 | 18.5 | 19.8 | 17.8 | 9.5 | 2.6 | 0.6 |
| Average night temperature (°C) | -0.3 | -2.2 | -1.1 | 2.6 | 6.4 | 11.7 | 13.1 | 15.3 | 12.6 | 6 | 0 | -1.3 |
| Absolute minimum temperature (°C) | -6.4 | -6.9 | -6.2 | -4.1 | -0.2 | 3.7 | 10.7 | 9.9 | 7.1 | 0.7 | -8.2 | -8.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 8.9 | 10.7 | 13 | 15 | 16.7 | 17.1 | 17 | 15.7 | 13.7 | 11.6 | 9.5 | 7.8 |
| Daylight mean duration (h) | 8.1 | 9.8 | 11.9 | 14 | 16 | 17 | 16.5 | 14.8 | 12.7 | 10.6 | 8.6 | 7.5 |
| Daylight minimum duration (h) | 7.5 | 8.9 | 10.8 | 13 | 15.1 | 16.7 | 15.8 | 13.8 | 11.7 | 9.5 | 7.9 | 7.4 |
| Sunshine mean duration (h) | 2.5 | 5.2 | 6.9 | 9 | 12.3 | 12.6 | 12.1 | 10.6 | 10.1 | 5.7 | 3.7 | 2.5 |
| Precipitation (mm) | 70 | 58 | 57 | 50 | 15 | 45 | 67 | 71 | 23 | 81 | 70 | 68 |
| Sunny days | 11 | 12 | 8 | 10 | 23 | 15 | 5 | 9 | 19 | 6 | 12 | 7 |
| Rainy days | 15 | 15 | 17 | 19 | 8 | 15 | 26 | 22 | 11 | 25 | 14 | 19 |
| Snow days | 5 | 1 | 6 | 1 | 4 | 5 |
The best time to visit Olsztyn during the most sunny months:
Months with the longest average daylight duration in Olsztyn:
The largest precipitation sum in Olsztyn is at