Average annual temperature is 15.5 °C
Absolute maximum temperature: 35.3 °C
Absolute minimum temperature: -8.0 °C
Number of sunny days: 180 days
Number of rainy days: 185 days
Look at detailed online map of Costen
* Weather data for Costen 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) | 19.8 | 24.6 | 22.7 | 29.2 | 26.9 | 30.1 | 34.6 | 33.7 | 35.3 | 28.1 | 23.5 | 19.0 |
| Average daytime temperature (°C) | 11.7 | 12.9 | 13.7 | 21.1 | 21.4 | 26.5 | 30.6 | 29.7 | 27.1 | 21.9 | 14.8 | 12.4 |
| Average temperature (°C) | 7.5 | 8.1 | 8.6 | 15.5 | 16.7 | 21.5 | 26.0 | 25.0 | 22.3 | 16.7 | 9.7 | 8.0 |
| Average night temperature (°C) | 4.0 | 3.7 | 4.1 | 11.0 | 12.7 | 17.3 | 22.3 | 21.4 | 18.4 | 12.6 | 5.6 | 4.4 |
| Absolute minimum temperature (°C) | -3.3 | -8.0 | -2.7 | 1.5 | 7.1 | 12.3 | 18.6 | 15.7 | 13.7 | 6.8 | -3.8 | -1.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.8 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 9.6 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 5.8 | 7.3 | 7.9 | 9.5 | 10.6 | 11.5 | 12.0 | 10.5 | 8.9 | 9.2 | 7.9 | 6.0 |
| Precipitation (mm) | 88 | 45 | 47 | 171 | 93 | 133 | 145 | 104 | 107 | 37 | 49 | 127 |
| Sunny days | 13 | 15 | 16 | 17 | 17 | 12 | 6 | 9 | 13 | 22 | 24 | 16 |
| Rainy days | 18 | 13 | 15 | 13 | 14 | 18 | 25 | 22 | 17 | 9 | 6 | 15 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Costen during the most sunny months:
The largest precipitation sum in Costen is at