Average annual temperature is 21.7 °C
Absolute maximum temperature: 38.7 °C
Absolute minimum temperature: -0.9 °C
Number of sunny days: 150 days
Number of rainy days: 215 days
Look at detailed online map of Half Moon
* Weather data for Half Moon 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) | 27.5 | 28.8 | 30.2 | 33.7 | 35.4 | 35.0 | 35.1 | 38.7 | 33.8 | 31.4 | 30.0 | 25.8 |
| Average daytime temperature (°C) | 20.8 | 24.6 | 25.8 | 29.4 | 30.1 | 32.1 | 32.9 | 34.5 | 31.7 | 27.7 | 23.2 | 19.4 |
| Average temperature (°C) | 14.4 | 17.8 | 19.3 | 22.7 | 23.7 | 26.0 | 27.7 | 28.8 | 25.7 | 21.9 | 17.4 | 14.4 |
| Average night temperature (°C) | 9.5 | 13.3 | 14.1 | 16.9 | 18.4 | 21.5 | 23.9 | 24.4 | 21.3 | 17.0 | 13.1 | 10.8 |
| Absolute minimum temperature (°C) | -0.9 | 4.7 | 3.9 | 8.9 | 12.5 | 17.5 | 22.1 | 21.8 | 16.5 | 8.7 | 2.8 | 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 | 13.0 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.5 | 11.1 | 12.0 | 12.9 | 13.6 | 14.0 | 13.8 | 13.2 | 12.3 | 11.5 | 10.7 | 10.3 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 8.5 | 9.0 | 9.6 | 10.0 | 11.3 | 10.9 | 11.4 | 11.4 | 10.3 | 9.3 | 7.0 | 6.8 |
| Precipitation (mm) | 64 | 40 | 62 | 50 | 78 | 184 | 126 | 83 | 95 | 35 | 100 | 94 |
| Sunny days | 15 | 20 | 15 | 11 | 10 | 6 | 4 | 3 | 8 | 22 | 17 | 19 |
| Rainy days | 16 | 8 | 16 | 19 | 21 | 24 | 27 | 28 | 22 | 9 | 13 | 12 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Half Moon is at