Average annual temperature is 9.3 °C
Absolute maximum temperature: 30.8 °C
Absolute minimum temperature: -27.9 °C
Number of sunny days: 115 days
Number of rainy days: 215 days
Number of snow days: 35 days
Look at detailed online map of Simpsonville
* Weather data for Simpsonville 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) | 13.2 | 14.5 | 14.8 | 27.4 | 28.7 | 30.8 | 30.6 | 26.7 | 30.2 | 28.3 | 15.7 | 11.3 |
| Average daytime temperature (°C) | 3.7 | 4.8 | 5.8 | 16.0 | 19.4 | 22.6 | 26.7 | 23.5 | 21.3 | 16.3 | 7.1 | 5.8 |
| Average temperature (°C) | 0.3 | -1.0 | 0.4 | 9.2 | 12.6 | 17.1 | 21.2 | 18.7 | 16.1 | 11.5 | 2.6 | 2.1 |
| Average night temperature (°C) | -3.2 | -5.6 | -3.9 | 4.0 | 6.3 | 12.5 | 16.9 | 14.6 | 12.2 | 7.5 | -0.8 | -0.5 |
| Absolute minimum temperature (°C) | -10.4 | -27.9 | -12.2 | -5.0 | -1.1 | 6.9 | 12.1 | 9.1 | 5.6 | 0.3 | -6.7 | -7.3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.5 | 10.6 | 11.9 | 13.4 | 14.6 | 15.2 | 14.9 | 13.9 | 12.5 | 11.1 | 9.8 | 9.1 |
| Daylight minimum duration (h) | 9.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 2.7 | 5.3 | 5.8 | 8.7 | 12.0 | 10.1 | 11.2 | 9.6 | 8.3 | 6.4 | 5.9 | 3.2 |
| Precipitation (mm) | 103 | 70 | 116 | 90 | 51 | 89 | 197 | 186 | 99 | 73 | 68 | 146 |
| Sunny days | 6 | 8 | 6 | 12 | 17 | 7 | 4 | 6 | 15 | 14 | 10 | 10 |
| Rainy days | 17 | 13 | 16 | 18 | 14 | 23 | 27 | 25 | 15 | 17 | 15 | 15 |
| Snow days | 8 | 7 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 6 |
The best time to visit Simpsonville during the most sunny months:
The largest precipitation sum in Simpsonville is at