Average annual temperature is 17.9 °C
Absolute maximum temperature: 37.0 °C
Absolute minimum temperature: -3.5 °C
Number of sunny days: 174 days
Number of rainy days: 191 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) | 21.0 | 25.3 | 26.6 | 29.2 | 32.2 | 35.0 | 37.0 | 36.3 | 34.0 | 29.1 | 25.3 | 20.6 |
| Average daytime temperature (°C) | 15.4 | 19.0 | 20.3 | 23.4 | 26.2 | 30.3 | 33.1 | 33.0 | 29.8 | 23.8 | 18.0 | 14.5 |
| Average temperature (°C) | 10.3 | 13.2 | 14.0 | 17.0 | 20.2 | 24.0 | 26.7 | 26.5 | 23.5 | 17.9 | 12.2 | 9.2 |
| Average night temperature (°C) | 6.3 | 9.2 | 9.0 | 11.9 | 15.5 | 18.7 | 21.9 | 21.8 | 18.4 | 13.2 | 7.8 | 5.2 |
| Absolute minimum temperature (°C) | -2.3 | -2.5 | -3.5 | 7.0 | 8.3 | 15.4 | 20.2 | 17.6 | 15.1 | 7.0 | -1.1 | -1.2 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.2 | 11.0 | 12.0 | 13.0 | 13.9 | 14.3 | 14.1 | 13.3 | 12.4 | 11.4 | 10.5 | 10.0 |
| Daylight minimum duration (h) | 10.0 | 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) | 5.9 | 6.4 | 8.7 | 9.4 | 10.3 | 11.3 | 11.5 | 10.9 | 10.7 | 8.8 | 6.7 | 6.7 |
| Precipitation (mm) | 158 | 158 | 212 | 162 | 85 | 176 | 112 | 97 | 46 | 43 | 50 | 76 |
| Sunny days | 13 | 10 | 17 | 14 | 9 | 10 | 6 | 10 | 18 | 23 | 21 | 23 |
| Rainy days | 18 | 18 | 14 | 16 | 22 | 20 | 25 | 21 | 12 | 8 | 9 | 8 |
| 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