Average annual temperature is 10.6 °C
Absolute maximum temperature: 38.2 °C
Absolute minimum temperature: -28.1 °C
Number of sunny days: 208 days
Number of rainy days: 131 days
Number of snow days: 26 days
Look at detailed online map of Coster
* Weather data for Coster United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 7.5 | 10.3 | 21.4 | 26.6 | 31.3 | 32.1 | 33.7 | 38.2 | 34.5 | 31.5 | 17.7 | 12.8 |
| Average daytime temperature (°C) | -0.4 | 2.9 | 6.4 | 15.7 | 24.2 | 28.6 | 28.0 | 28.6 | 26.5 | 16.9 | 9.8 | 6.0 |
| Average temperature (°C) | -4.5 | -3.1 | 0.7 | 9.3 | 17.4 | 22.7 | 22.5 | 23.2 | 20.4 | 12.2 | 4.5 | 1.4 |
| Average night temperature (°C) | -7.6 | -7.6 | -3.6 | 4.0 | 11.1 | 16.9 | 17.1 | 18.4 | 15.3 | 8.2 | 0.4 | -1.5 |
| Absolute minimum temperature (°C) | -28.1 | -25.7 | -17.3 | -4.6 | 0.6 | 8.8 | 10.8 | 12.1 | 9.2 | -5.1 | -13.6 | -7.7 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.5 | 10.5 | 11.9 | 13.4 | 14.6 | 15.3 | 15.0 | 13.9 | 12.5 | 11.1 | 9.8 | 9.1 |
| Daylight minimum duration (h) | 9.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 4.2 | 6.9 | 7.5 | 9.2 | 11.8 | 12.2 | 12.5 | 11.5 | 9.9 | 7.0 | 7.1 | 4.3 |
| Precipitation (mm) | 63 | 43 | 80 | 55 | 56 | 31 | 69 | 65 | 52 | 81 | 10 | 33 |
| Sunny days | 18 | 17 | 14 | 16 | 19 | 19 | 13 | 20 | 14 | 18 | 21 | 19 |
| Rainy days | 5 | 8 | 10 | 13 | 12 | 11 | 18 | 11 | 16 | 12 | 7 | 8 |
| Snow days | 8 | 3 | 7 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 4 |
The best time to visit Coster during the most sunny months:
Months with the longest average daylight duration in Coster:
The largest precipitation sum in Coster is at