Average annual temperature is 18.1 °C
Absolute maximum temperature: 40.7 °C
Absolute minimum temperature: -5.9 °C
Number of sunny days: 214 days
Number of rainy days: 151 days
Look at detailed online map of Alderson
* Weather data for Alderson 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) | 21.9 | 24.4 | 26.5 | 29.6 | 32.6 | 40.0 | 39.5 | 40.7 | 37.7 | 31.6 | 28.3 | 22.2 |
| Average daytime temperature (°C) | 13.2 | 15.1 | 18.3 | 22.2 | 27.7 | 33.4 | 35.2 | 36.3 | 31.8 | 23.9 | 18.1 | 13.9 |
| Average temperature (°C) | 7.9 | 8.6 | 12.2 | 16.1 | 21.7 | 26.7 | 29.0 | 29.9 | 25.7 | 18.5 | 12.1 | 8.6 |
| Average night temperature (°C) | 3.9 | 4.3 | 8.1 | 11.2 | 16.6 | 21.3 | 24.2 | 24.7 | 20.7 | 14.5 | 7.7 | 4.7 |
| Absolute minimum temperature (°C) | -5.9 | -5.5 | -2.7 | 6.3 | 8.8 | 17.2 | 20.2 | 17.8 | 17.0 | -0.6 | -1.9 | -1.7 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.2 | 13.4 | 12.4 | 11.3 | 10.4 | 9.9 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 6.2 | 5.9 | 7.6 | 9.3 | 10.4 | 11.8 | 11.6 | 12.1 | 10.3 | 8.0 | 8.1 | 7.0 |
| Precipitation (mm) | 55 | 118 | 194 | 128 | 78 | 83 | 90 | 36 | 120 | 143 | 54 | 36 |
| Sunny days | 20 | 14 | 15 | 16 | 14 | 14 | 18 | 23 | 18 | 18 | 22 | 22 |
| Rainy days | 11 | 14 | 16 | 14 | 17 | 16 | 13 | 8 | 12 | 13 | 8 | 9 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Alderson during the most sunny months:
The largest precipitation sum in Alderson is at