Average annual temperature is 15.9 °C
Absolute maximum temperature: 34.8 °C
Absolute minimum temperature: -7.0 °C
Number of sunny days: 172 days
Number of rainy days: 192 days
Number of snow days: 1 day
Look at detailed online map of Clam
* Weather data for Clam 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) | 20.5 | 23.3 | 23.3 | 28.6 | 26.2 | 29.2 | 34.8 | 34.3 | 33.2 | 26.7 | 24.3 | 19.1 |
| Average daytime temperature (°C) | 11.7 | 12.5 | 13.6 | 20.2 | 20.9 | 25.5 | 30.3 | 29.2 | 26.4 | 21.4 | 14.7 | 12.1 |
| Average temperature (°C) | 7.9 | 8.6 | 9.1 | 15.5 | 17.0 | 21.5 | 26.5 | 25.2 | 22.7 | 17.1 | 10.4 | 8.4 |
| Average night temperature (°C) | 4.9 | 4.7 | 5.2 | 11.8 | 13.8 | 18.2 | 23.4 | 22.3 | 19.5 | 13.8 | 6.9 | 5.3 |
| Absolute minimum temperature (°C) | -1.3 | -7.0 | -0.4 | 4.7 | 8.3 | 13.1 | 20.1 | 18.5 | 14.7 | 7.6 | -1.9 | -0.2 |
| 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 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.2 | 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) | 6.1 | 7.2 | 8.3 | 9.8 | 10.9 | 11.7 | 12.1 | 10.7 | 9.5 | 9.2 | 7.8 | 6.3 |
| Precipitation (mm) | 81 | 52 | 51 | 142 | 65 | 96 | 82 | 59 | 121 | 43 | 58 | 127 |
| Sunny days | 13 | 15 | 15 | 16 | 17 | 10 | 5 | 8 | 10 | 21 | 24 | 18 |
| Rainy days | 18 | 12 | 16 | 14 | 14 | 20 | 26 | 23 | 20 | 10 | 6 | 13 |
| Snow days | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Clam during the most sunny months:
The largest precipitation sum in Clam is at