Average annual temperature is 17.3 °C
Absolute maximum temperature: 36.2 °C
Absolute minimum temperature: -5.7 °C
Number of sunny days: 189 days
Number of rainy days: 176 days
Look at detailed online map of Simpson
* Weather data for Simpson 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) | 23.7 | 27.8 | 28.8 | 30.0 | 29.4 | 32.8 | 34.7 | 36.2 | 34.7 | 28.9 | 24.9 | 23.1 |
| Average daytime temperature (°C) | 15.3 | 17.4 | 18.3 | 23.5 | 24.5 | 28.9 | 32.3 | 32.0 | 28.3 | 23.4 | 16.9 | 14.9 |
| Average temperature (°C) | 9.8 | 11.9 | 12.4 | 17.2 | 19.0 | 23.0 | 26.9 | 26.5 | 22.8 | 17.4 | 11.4 | 9.2 |
| Average night temperature (°C) | 5.7 | 7.5 | 7.5 | 12.1 | 14.5 | 18.3 | 22.7 | 22.2 | 18.5 | 12.8 | 7.2 | 4.8 |
| Absolute minimum temperature (°C) | -1.9 | -5.7 | -1.1 | 2.0 | 8.5 | 12.3 | 19.1 | 18.0 | 13.6 | 6.9 | -3.6 | -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 | 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 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 6.4 | 7.1 | 8.3 | 9.4 | 9.8 | 11.2 | 11.0 | 10.6 | 9.5 | 8.9 | 7.3 | 6.7 |
| Precipitation (mm) | 97 | 85 | 58 | 152 | 98 | 85 | 107 | 242 | 129 | 22 | 63 | 172 |
| Sunny days | 18 | 12 | 19 | 14 | 18 | 9 | 7 | 15 | 16 | 23 | 19 | 19 |
| Rainy days | 13 | 16 | 12 | 16 | 13 | 21 | 24 | 16 | 14 | 8 | 11 | 12 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Simpson during the most sunny months:
The largest precipitation sum in Simpson is at