Annual mean 16°C · wettest around May · prevailing wind NW
Warmest
30.4 °C
Coldest
6.5 °C
Wettest
26%
Windiest
3.3 m/s
Prevailing
NW
2.6 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 Chapel Hill over the whole year is 16°C. July is the hottest month, with highs of about 30°C; January is the coldest, with lows of about 2°C. Chapel Hill has no sharply defined rainy season: the chance of rain on a given day runs from 20% in October, the driest month, to 25% in May, the wettest. Winds in Chapel Hill are highest in March, averaging 2.1 m/s (8 km/h), and lightest in July, at 1.3 m/s (5 km/h). The prevailing wind is from the NW. The clearest skies in Chapel Hill come in November, when the sky is typically 30% covered; February is the cloudiest month, at 45%.
Month by month Chapel Hill 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
8°C
2°C
4°C
24%
39%
1.7 m/s
8
0
36
February
12°C
5°C
9°C
24%
45%
1.9 m/s
27
1
53
March
15°C
7°C
11°C
23%
40%
2.1 m/s
35
3
57
April
20°C
11°C
17°C
23%
35%
2.0 m/s
61
18
65
May
24°C
16°C
23°C
25%
41%
1.7 m/s
60
45
42
June
28°C
20°C
29°C
23%
35%
1.4 m/s
35
67
11
July
30°C
22°C
33°C
22%
31%
1.3 m/s
8
51
2
August
29°C
21°C
31°C
23%
41%
1.3 m/s
18
56
4
September
26°C
18°C
27°C
25%
41%
1.5 m/s
46
58
20
October
22°C
12°C
21°C
20%
31%
1.3 m/s
70
24
62
November
15°C
6°C
12°C
21%
30%
1.4 m/s
36
4
70
December
10°C
3°C
6°C
24%
42%
1.5 m/s
12
0
46
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 Chapel Hill weather by season
Year round, Chapel Hill has days of about 8°C at their warmest in January, its coolest month, and 30°C in July, its warmest; the coolest hours of the day run from 2°C to 22°C through the year, and the average temperature over the year is 16°C around the clock. Rain is most likely around May 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.
Chapel Hill weather in winterDecember to February
High 10°CLow 3°CRain 24%
Winter in Chapel Hill has typical daily highs of about 10°C and lows of about 3°C, with a 24% chance of rain on a given day.
Chapel Hill weather in springMarch to May
High 20°CLow 11°CRain 24%
Spring in Chapel Hill has typical daily highs of about 20°C and lows of about 11°C, with a 24% chance of rain on a given day.
Chapel Hill weather in summerJune to August
High 29°CLow 21°CRain 23%
Summer in Chapel Hill has typical daily highs of about 29°C and lows of about 21°C, with a 23% chance of rain on a given day.
Chapel Hill weather in autumnSeptember to November
High 21°CLow 12°CRain 22%
Autumn in Chapel Hill has typical daily highs of about 21°C and lows of about 12°C, with a 22% chance of rain on a given day.
When is the rainy season in Chapel Hill?
Chapel Hill has no sharply defined rainy season: the chance of rain on a given day runs from 20% in October, the driest month, to 25% in May, the wettest.
What time of year is Chapel Hill windiest?
Winds in Chapel Hill are highest in March, averaging 2.1 m/s (8 km/h), and lightest in July, at 1.3 m/s (5 km/h). The prevailing wind is from the NW.
What is the average temperature in Chapel Hill year round?
The average temperature in Chapel Hill over the whole year is 16°C. July is the hottest month, with highs of about 30°C; January is the coldest, with lows of about 2°C.