Aiken Climate by Month
Aiken, South Carolina, United States
Hot summers and cool winters, with rain spread through the year.
The climate in Aiken is one of hot summers and cool winters, with rain spread through the year. July is the warmest month, with highs around 93°F (34°C); January is the coolest at 57°F (14°C), and nights dip to 34°F (1°C). It gets 47 in (1191 mm) of rain a year, spread across the months.
- Warmest month
- 93°F(34°C)
- Average high, July
- Coldest nights
- 34°F(1°C)
- Average low, January
- Rain per year
- 47 in(1191 mm)
- No clear rainy season
- Humidity
- 65%
- Sunniest: May
Best and worst months in Aiken
Best for weatherThe most comfortable weather comes in April and October, with highs around 78°F (25°C) and about 3.5 in (90 mm) of rain a month.
Least pleasantJanuary and July are the least pleasant; July is the hottest, with highs of 93°F (34°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in October.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Aiken weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 57°F(14°C) | 34°F(1°C) | 4.2 in(106 mm) | 68% | 2.6 |
| FebFebruary | 62°F(17°C) | 37°F(3°C) | 4.3 in(109 mm) | 59% | 3.2 |
| MarMarch | 70°F(21°C) | 43°F(6°C) | 4.3 in(108 mm) | 59% | 4.4 |
| AprAprilBest | 78°F(25°C) | 49°F(10°C) | 3.7 in(95 mm) | 60% | 5.5 |
| MayMay | 85°F(30°C) | 58°F(14°C) | 3.3 in(85 mm) | 64% | 6.2 |
| JunJune | 91°F(33°C) | 66°F(19°C) | 4.9 in(125 mm) | 70% | 6.0 |
| JulJuly | 93°F(34°C) | 69°F(21°C) | 4.7 in(120 mm) | 69% | 6.2 |
| AugAugust | 91°F(33°C) | 69°F(20°C) | 4.4 in(112 mm) | 72% | 5.6 |
| SepSeptember | 87°F(30°C) | 63°F(17°C) | 3.0 in(77 mm) | 68% | 4.7 |
| OctOctoberBest | 78°F(26°C) | 51°F(11°C) | 3.3 in(85 mm) | 67% | 3.7 |
| NovNovember | 68°F(20°C) | 41°F(5°C) | 2.8 in(71 mm) | 63% | 2.9 |
| DecDecember | 60°F(15°C) | 35°F(2°C) | 3.9 in(98 mm) | 63% | 2.4 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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