Average annual temperature is 18.4 °C
Absolute maximum temperature: 42.6 °C
Absolute minimum temperature: -6.6 °C
Number of sunny days: 214 days
Number of rainy days: 151 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) | 23.8 | 25.1 | 28.1 | 30.2 | 33.3 | 38.0 | 40.3 | 42.6 | 39.6 | 31.4 | 28.6 | 22.8 |
| Average daytime temperature (°C) | 14.1 | 15.2 | 19.0 | 21.8 | 27.3 | 32.7 | 35.4 | 37.3 | 32.2 | 24.0 | 17.9 | 14.1 |
| Average temperature (°C) | 8.6 | 8.6 | 12.8 | 16.0 | 21.6 | 26.4 | 29.3 | 30.9 | 26.3 | 18.6 | 12.3 | 8.9 |
| Average night temperature (°C) | 4.4 | 4.1 | 8.2 | 11.4 | 17.0 | 21.3 | 24.5 | 25.2 | 21.4 | 14.4 | 7.9 | 5.0 |
| Absolute minimum temperature (°C) | -6.6 | -5.2 | -3.3 | 5.4 | 9.0 | 16.6 | 21.1 | 18.3 | 16.2 | -0.7 | -1.7 | -1.3 |
| 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 | 14.4 | 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) | 7.1 | 6.4 | 8.2 | 9.4 | 10.0 | 11.2 | 11.9 | 12.4 | 10.0 | 7.8 | 8.0 | 7.1 |
| Precipitation (mm) | 49 | 118 | 129 | 106 | 43 | 81 | 88 | 4 | 56 | 202 | 27 | 63 |
| Sunny days | 21 | 15 | 16 | 18 | 11 | 8 | 20 | 23 | 17 | 19 | 23 | 23 |
| Rainy days | 10 | 13 | 15 | 12 | 20 | 22 | 11 | 8 | 13 | 12 | 7 | 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