Average annual temperature is 15.0 °C
Absolute maximum temperature: 37.0 °C
Absolute minimum temperature: -9.2 °C
Number of sunny days: 202 days
Number of rainy days: 160 days
Number of snow days: 3 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) | 19.6 | 23.2 | 23.9 | 28.2 | 31.3 | 35.3 | 35.5 | 37.0 | 32.2 | 30.3 | 23.6 | 17.7 |
| Average daytime temperature (°C) | 10.3 | 13.0 | 14.4 | 20.6 | 25.5 | 30.0 | 31.4 | 29.9 | 27.8 | 21.4 | 14.8 | 10.8 |
| Average temperature (°C) | 5.4 | 6.8 | 8.3 | 13.9 | 19.4 | 23.4 | 25.6 | 24.5 | 21.7 | 15.8 | 9.0 | 6.0 |
| Average night temperature (°C) | 1.9 | 2.4 | 3.7 | 8.5 | 14.0 | 17.6 | 21.1 | 20.4 | 16.8 | 11.3 | 4.7 | 2.5 |
| Absolute minimum temperature (°C) | -7.2 | -9.2 | -6.5 | 1.2 | 5.8 | 12.1 | 17.0 | 14.5 | 12.7 | -2.0 | -4.3 | -5.9 |
| 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 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.2 | 9.6 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 5.1 | 7.2 | 7.6 | 10.0 | 11.1 | 12.5 | 11.3 | 10.2 | 10.7 | 7.9 | 7.9 | 6.3 |
| Precipitation (mm) | 217 | 131 | 172 | 102 | 63 | 29 | 117 | 111 | 32 | 71 | 22 | 72 |
| Sunny days | 14 | 15 | 15 | 19 | 18 | 19 | 9 | 16 | 16 | 21 | 21 | 19 |
| Rainy days | 15 | 12 | 16 | 11 | 13 | 11 | 22 | 15 | 14 | 10 | 9 | 12 |
| Snow days | 2 | 1 | 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