Average annual temperature is 4.0 °C
Absolute maximum temperature: 37.0 °C
Absolute minimum temperature: -36.3 °C
Number of sunny days: 169 days
Number of rainy days: 133 days
Number of snow days: 63 days
Look at detailed online map of Kostër
* Weather data for Kostër Russia is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | -3.8 | 1.6 | 17.4 | 20.0 | 29.3 | 31.6 | 37.0 | 27.9 | 20.9 | 17.0 | 7.1 | 3.6 |
| Average daytime temperature (°C) | -9.8 | -7.5 | 2.8 | 11.1 | 20.2 | 19.9 | 25.7 | 20.7 | 16.2 | 6.0 | -0.1 | -10.0 |
| Average temperature (°C) | -12.4 | -10.5 | -1.1 | 5.2 | 14.5 | 15.2 | 20.6 | 16.2 | 11.9 | 3.4 | -2.6 | -13.2 |
| Average night temperature (°C) | -14.9 | -14.0 | -5.7 | -0.8 | 7.9 | 9.7 | 14.9 | 11.6 | 7.4 | 0.8 | -4.8 | -16.4 |
| Absolute minimum temperature (°C) | -30.0 | -24.0 | -14.8 | -10.3 | -0.7 | 4.1 | 11.6 | 5.0 | 3.6 | -10.2 | -18.3 | -36.3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 8.0 | 10.0 | 13.0 | 15.0 | 17.0 | 17.0 | 17.0 | 16.0 | 13.0 | 11.0 | 9.0 | 7.0 |
| Daylight mean duration (h) | 7.7 | 9.6 | 11.9 | 14.2 | 16.3 | 17.5 | 16.9 | 15.0 | 12.8 | 10.4 | 8.3 | 7.1 |
| Daylight minimum duration (h) | 7.0 | 8.0 | 10.0 | 13.0 | 15.0 | 17.0 | 16.0 | 13.0 | 11.0 | 9.0 | 7.0 | 6.0 |
| Sunshine mean duration (h) | 3.2 | 4.1 | 7.2 | 11.0 | 13.0 | 12.0 | 13.0 | 10.7 | 8.8 | 4.6 | 2.3 | 2.5 |
| Precipitation (mm) | 12 | 21 | 24 | 30 | 7 | 62 | 55 | 113 | 59 | 74 | 77 | 54 |
| Sunny days | 20 | 13 | 12 | 21 | 27 | 10 | 11 | 12 | 14 | 8 | 7 | 14 |
| Rainy days | 0 | 0 | 7 | 9 | 4 | 20 | 20 | 19 | 16 | 17 | 15 | 6 |
| Snow days | 11 | 15 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 8 | 11 |
The best time to visit Kostër during the most sunny months:
Months with the longest average daylight duration in Kostër:
The largest precipitation sum in Kostër is at