Annual mean 18°C · wettest around December · prevailing wind SW
Warmest
30.2 °C
Coldest
10.7 °C
Wettest
53%
Windiest
4.5 m/s
Prevailing
SW
3.9 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 Wilmington over the whole year is 18°C. July is the hottest month, with highs of about 30°C; January is the coldest, with lows of about 5°C. Wilmington has no sharply defined rainy season: the chance of rain on a given day runs from 44% in October, the driest month, to 49% in December, the wettest. Winds in Wilmington are highest in April, averaging 3.4 m/s (12 km/h), and lightest in October, at 2.5 m/s (9 km/h). The prevailing wind is from the SW. The clearest skies in Wilmington come in April, when the sky is typically 27% covered; February is the cloudiest month, at 40%.
Month by month Wilmington 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
11°C
5°C
7°C
46%
34%
2.8 m/s
19
1
49
February
14°C
8°C
11°C
45%
40%
3.1 m/s
35
3
60
March
16°C
10°C
13°C
46%
36%
3.2 m/s
44
4
66
April
21°C
14°C
19°C
45%
27%
3.4 m/s
69
21
60
May
25°C
19°C
25°C
44%
35%
3.2 m/s
57
51
30
June
28°C
23°C
31°C
46%
32%
3.0 m/s
20
62
5
July
30°C
25°C
34°C
47%
31%
2.9 m/s
5
39
0
August
29°C
24°C
33°C
48%
35%
2.6 m/s
9
44
1
September
28°C
21°C
29°C
48%
34%
2.7 m/s
28
59
10
October
24°C
16°C
23°C
44%
32%
2.5 m/s
66
39
43
November
18°C
11°C
16°C
47%
32%
2.7 m/s
51
12
65
December
13°C
7°C
11°C
49%
35%
2.7 m/s
28
1
59
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 Wilmington weather by season
Year round, Wilmington has days of about 11°C at their warmest in January, its coolest month, and 30°C in July, its warmest; the coolest hours of the day run from 5°C to 25°C through the year, and the average temperature over the year is 18°C around the clock. Rain is most likely around December 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.
Wilmington weather in winterDecember to February
High 13°CLow 7°CRain 46%
Winter in Wilmington has typical daily highs of about 13°C and lows of about 7°C, with a 46% chance of rain on a given day.
Wilmington weather in springMarch to May
High 21°CLow 14°CRain 45%
Spring in Wilmington has typical daily highs of about 21°C and lows of about 14°C, with a 45% chance of rain on a given day.
Wilmington weather in summerJune to August
High 29°CLow 24°CRain 47%
Summer in Wilmington has typical daily highs of about 29°C and lows of about 24°C, with a 47% chance of rain on a given day.
Wilmington weather in autumnSeptember to November
High 23°CLow 16°CRain 46%
Autumn in Wilmington has typical daily highs of about 23°C and lows of about 16°C, with a 46% chance of rain on a given day.
When is the rainy season in Wilmington?
Wilmington has no sharply defined rainy season: the chance of rain on a given day runs from 44% in October, the driest month, to 49% in December, the wettest.
What time of year is Wilmington windiest?
Winds in Wilmington are highest in April, averaging 3.4 m/s (12 km/h), and lightest in October, at 2.5 m/s (9 km/h). The prevailing wind is from the SW.
What is the average temperature in Wilmington year round?
The average temperature in Wilmington over the whole year is 18°C. July is the hottest month, with highs of about 30°C; January is the coldest, with lows of about 5°C.