Average annual temperature is 20.5 °C
Absolute maximum temperature: 41.2 °C
Absolute minimum temperature: -0.9 °C
Number of sunny days: 186 days
Number of rainy days: 179 days
Look at detailed online map of Old Mount Pleasant (historical)
* Weather data for Old Mount Pleasant (historical) 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) | 25.3 | 28.2 | 28.5 | 30.1 | 33.0 | 38.9 | 39.6 | 41.2 | 38.4 | 32.6 | 29.1 | 26.0 |
| Average daytime temperature (°C) | 17.3 | 19.5 | 22.9 | 24.1 | 29.2 | 34.4 | 35.9 | 38.4 | 33.1 | 27.6 | 19.5 | 17.1 |
| Average temperature (°C) | 12.3 | 13.5 | 16.5 | 18.2 | 23.4 | 27.6 | 29.5 | 31.8 | 26.8 | 21.1 | 14.1 | 11.3 |
| Average night temperature (°C) | 8.5 | 9.1 | 11.8 | 13.6 | 18.3 | 22.3 | 24.6 | 26.1 | 21.7 | 16.0 | 10.0 | 6.7 |
| Absolute minimum temperature (°C) | -0.7 | -0.6 | -0.9 | 9.2 | 11.4 | 19.3 | 21.5 | 21.6 | 17.7 | 6.7 | 1.3 | -0.8 |
| 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 | 10.0 |
| Daylight mean duration (h) | 10.3 | 11.0 | 12.0 | 13.0 | 13.8 | 14.2 | 14.0 | 13.3 | 12.4 | 11.4 | 10.5 | 10.1 |
| 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 | 10.0 |
| Sunshine mean duration (h) | 6.8 | 7.2 | 8.9 | 8.5 | 10.8 | 11.9 | 11.3 | 11.9 | 10.5 | 8.9 | 6.4 | 7.8 |
| Precipitation (mm) | 168 | 76 | 102 | 161 | 105 | 83 | 65 | 16 | 41 | 30 | 66 | 78 |
| Sunny days | 11 | 11 | 14 | 11 | 14 | 8 | 13 | 26 | 16 | 23 | 17 | 22 |
| Rainy days | 20 | 17 | 17 | 19 | 17 | 22 | 18 | 5 | 14 | 8 | 13 | 9 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Old Mount Pleasant (historical) during the most sunny months:
The largest precipitation sum in Old Mount Pleasant (historical) is at