Average annual temperature is 11.0 °C
Absolute maximum temperature: 37.8 °C
Absolute minimum temperature: -24.9 °C
Number of sunny days: 194 days
Number of rainy days: 146 days
Number of snow days: 25 days
Look at detailed online map of Aiken
* Weather data for Aiken 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) | 9.3 | 9.8 | 20.1 | 25.3 | 31.4 | 33.5 | 34.5 | 37.8 | 33.9 | 28.6 | 18.0 | 12.6 |
| Average daytime temperature (°C) | 1.6 | 3.8 | 7.5 | 16.0 | 23.7 | 28.6 | 29.2 | 28.8 | 25.1 | 16.6 | 9.3 | 6.0 |
| Average temperature (°C) | -2.3 | -1.6 | 2.2 | 9.4 | 16.9 | 22.1 | 23.4 | 23.1 | 19.7 | 12.2 | 4.4 | 2.1 |
| Average night temperature (°C) | -5.3 | -6.2 | -2.0 | 4.3 | 10.6 | 15.9 | 17.9 | 18.3 | 15.4 | 8.5 | 0.5 | -0.6 |
| Absolute minimum temperature (°C) | -24.9 | -22.4 | -14.0 | -1.9 | 1.9 | 8.8 | 13.9 | 11.6 | 10.3 | -2.3 | -12.0 | -7.7 |
| 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) | 3.8 | 7.2 | 6.4 | 8.9 | 11.8 | 12.2 | 12.2 | 11.5 | 9.5 | 6.9 | 7.1 | 4.0 |
| Precipitation (mm) | 64 | 89 | 84 | 109 | 42 | 47 | 73 | 60 | 89 | 106 | 37 | 51 |
| Sunny days | 14 | 16 | 14 | 15 | 22 | 19 | 13 | 14 | 13 | 15 | 22 | 17 |
| Rainy days | 7 | 8 | 13 | 14 | 9 | 11 | 18 | 17 | 17 | 14 | 6 | 12 |
| Snow days | 10 | 4 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 2 |
The best time to visit Aiken during the most sunny months:
The largest precipitation sum in Aiken is at