Annual mean 19°C · wettest around December · prevailing wind SW
Warmest
32.0 °C
Coldest
11.7 °C
Wettest
36%
Windiest
3.9 m/s
Prevailing
SW
3.2 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Aiken over the whole year is 19°C. July is the hottest month, with highs of about 32°C; January is the coldest, with lows of about 5°C. Aiken has no sharply defined rainy season: the chance of rain on a given day runs from 27% in February, the driest month, to 32% in December, the wettest. Winds in Aiken are highest in March, averaging 2.7 m/s (10 km/h), and lightest in August, at 1.9 m/s (7 km/h). The prevailing wind is from the SW. The clearest skies in Aiken come in April, when the sky is typically 30% covered; December is the cloudiest month, at 44%.
Month by month Aiken climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
12°C
5°C
8°C
27%
36%
2.4 m/s
19
1
52
February
16°C
8°C
13°C
27%
41%
2.5 m/s
44
4
66
March
19°C
10°C
16°C
29%
36%
2.7 m/s
56
8
71
April
23°C
13°C
21°C
28%
30%
2.6 m/s
72
29
56
May
27°C
19°C
26°C
29%
35%
2.4 m/s
51
56
25
June
30°C
22°C
31°C
29%
33%
2.3 m/s
16
59
3
July
32°C
24°C
34°C
29%
32%
2.1 m/s
3
32
0
August
30°C
23°C
33°C
29%
36%
1.9 m/s
9
41
1
September
29°C
20°C
30°C
27%
33%
2.1 m/s
30
58
11
October
24°C
15°C
23°C
27%
30%
2.0 m/s
67
40
44
November
18°C
9°C
15°C
28%
36%
2.1 m/s
50
9
72
December
14°C
7°C
11°C
32%
44%
2.3 m/s
28
1
63
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Aiken weather by season
Year round, Aiken has days of about 12°C at their warmest in January, its coolest month, and 32°C in July, its warmest; the coolest hours of the day run from 5°C to 24°C through the year, and the average temperature over the year is 19°C around the clock. Rain is most likely around December and least likely around February. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Aiken weather in winterDecember to February
High 14°CLow 7°CRain 29%
Winter in Aiken has typical daily highs of about 14°C and lows of about 7°C, with a 29% chance of rain on a given day.
Aiken weather in springMarch to May
High 23°CLow 14°CRain 28%
Spring in Aiken has typical daily highs of about 23°C and lows of about 14°C, with a 28% chance of rain on a given day.
Aiken weather in summerJune to August
High 31°CLow 23°CRain 29%
Summer in Aiken has typical daily highs of about 31°C and lows of about 23°C, with a 29% chance of rain on a given day.
Aiken weather in autumnSeptember to November
High 24°CLow 15°CRain 28%
Autumn in Aiken has typical daily highs of about 24°C and lows of about 15°C, with a 28% chance of rain on a given day.
When is the rainy season in Aiken?
Aiken has no sharply defined rainy season: the chance of rain on a given day runs from 27% in February, the driest month, to 32% in December, the wettest.
What time of year is Aiken windiest?
Winds in Aiken are highest in March, averaging 2.7 m/s (10 km/h), and lightest in August, at 1.9 m/s (7 km/h). The prevailing wind is from the SW.
What is the average temperature in Aiken year round?
The average temperature in Aiken over the whole year is 19°C. July is the hottest month, with highs of about 32°C; January is the coldest, with lows of about 5°C.