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Wilmington weather in January

Weather in Wilmington: January

Average day temperature: 38.9°F
Average night temperature: 32.6°F
Sea water temperature: 38.0°F
Number of sunny days: 11 days
Day length: 9.4 - 10.2 hours
Number of rainy days: 2 days
Precipitation totals: 1.0 in.

Air temperature in January, °F

Show year:
2025
2024
2023

The highest day temperature during January of 2025 was 45°F. At the same time the lowest night temperature was 11°F. Daily and nightly averages during January were 33.4°F and 25.0°F.

Sea water temperature in Wilmington in January, °F

Show year:
2025
2024
2023

The average sea water temperature in January of 2025 was 35.4°F. The highest and lowest sea temperatures during the month were 41.7°F and 32.4°F.

Sunny, partly cloudy and cloudy days

Number of sunny, partly cloudy and cloudy days in January is almost equal.

Precipitation total in January, in.

Precipitation total value in Wilmington in January is 1.0 in. Other months of the year show relatively similar values.

Wind speed in January, mph

The average wind speed value in January is 8.4 mph It makes January one of the most windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in January is: 5.2.

Best time for vacation in Wilmington

Sunniest months:
November 16 days
October 16 days
September 15 days
Warmest months:
July 85.5 °F
August 82.3 °F
June 79.8 °F
Warmest sea temp:
July 80.3 °F
August 79.6 °F
September 74.2 °F
Coldest months:
January 38.9 °F
February 42.0 °F
December 43.5 °F
Rainiest months:
July 4 days
August 4 days
June 3 days
Windiest months:
March 9.1 mph
April 8.8 mph
January 8.4 mph

Wilmington on a weather map

Wilmington
+28°F
S 9 mph
Feels like: +19°F
Precip.: 0%
Places in USA:
Name
°F
+30°F
+77°F
+77°F
+45°F
+55°F
+70°F
+77°F
+70°F
+25°F
+57°F
+48°F
+63°F
+63°F
+46°F
+9°F
24 Hours Forecast
Wilmington
Local time: 22:35
December 05, friday
0000
28°F
S
9 mph
0300
27°F
SW
6 mph
0600
25°F
SW
4 mph
0900
25°F
NW
6 mph
1200
28°F
N
4 mph
1500
28°F
N
2 mph
1800
28°F
SW
1 mph
2100
28°F
SW
2 mph
Units of measurement: °C / °F