Annual mean 19°C · wettest around August · prevailing wind W
Warmest
31.0 °C
Coldest
12.6 °C
Wettest
60%
Windiest
4.5 m/s
Prevailing
W
3.6 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 North Charleston over the whole year is 19°C. July is the hottest month, with highs of about 31°C; January is the coldest, with lows of about 7°C. North Charleston has no sharply defined rainy season: the chance of rain on a given day runs from 56% in October, the driest month, to 60% in August, the wettest. Winds in North Charleston are highest in March, averaging 3.1 m/s (11 km/h), and lightest in August, at 2.3 m/s (8 km/h). The prevailing wind is from the W. The clearest skies in North Charleston come in April, when the sky is typically 36% covered; December is the cloudiest month, at 48%.
Month by month North Charleston 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
13°C
7°C
10°C
57%
43%
2.6 m/s
25
2
56
February
17°C
10°C
14°C
57%
47%
2.9 m/s
46
6
66
March
19°C
11°C
16°C
57%
44%
3.1 m/s
56
10
67
April
23°C
15°C
21°C
56%
36%
3.1 m/s
71
29
53
May
26°C
19°C
26°C
57%
42%
2.9 m/s
49
54
23
June
29°C
23°C
31°C
59%
43%
2.7 m/s
17
54
4
July
31°C
25°C
34°C
59%
40%
2.4 m/s
4
32
0
August
30°C
24°C
33°C
60%
45%
2.3 m/s
7
39
1
September
28°C
22°C
30°C
58%
43%
2.6 m/s
26
55
9
October
24°C
17°C
24°C
56%
38%
2.4 m/s
61
43
39
November
19°C
11°C
16°C
57%
43%
2.6 m/s
52
12
66
December
15°C
9°C
12°C
58%
48%
2.5 m/s
36
3
62
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 North Charleston weather by season
Year round, North Charleston has days of about 13°C at their warmest in January, its coolest month, and 31°C in July, its warmest; the coolest hours of the day run from 7°C to 25°C through the year, and the average temperature over the year is 19°C around the clock. Rain is most likely around August and least likely around October. 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.
North Charleston weather in winterDecember to February
High 15°CLow 8°CRain 58%
Winter in North Charleston has typical daily highs of about 15°C and lows of about 8°C, with a 58% chance of rain on a given day.
North Charleston weather in springMarch to May
High 23°CLow 15°CRain 57%
Spring in North Charleston has typical daily highs of about 23°C and lows of about 15°C, with a 57% chance of rain on a given day.
North Charleston weather in summerJune to August
High 30°CLow 24°CRain 59%
Summer in North Charleston has typical daily highs of about 30°C and lows of about 24°C, with a 59% chance of rain on a given day.
North Charleston weather in autumnSeptember to November
High 24°CLow 16°CRain 57%
Autumn in North Charleston has typical daily highs of about 24°C and lows of about 16°C, with a 57% chance of rain on a given day.
When is the rainy season in North Charleston?
North Charleston has no sharply defined rainy season: the chance of rain on a given day runs from 56% in October, the driest month, to 60% in August, the wettest.
What time of year is North Charleston windiest?
Winds in North Charleston are highest in March, averaging 3.1 m/s (11 km/h), and lightest in August, at 2.3 m/s (8 km/h). The prevailing wind is from the W.
What is the average temperature in North Charleston year round?
The average temperature in North Charleston over the whole year is 19°C. July is the hottest month, with highs of about 31°C; January is the coldest, with lows of about 7°C.