Wilmington
North Carolina, USA
Long-term weather forecast
Long-term weather forecast

December weather forecast and Climate
Wilmington, NC

  • The average high temperature in December: 15.2°C

The warmest month (with the highest average high temperature) is July (32.1°C).
The month with the lowest average high temperature is January (13.6°C).

  • The average low temperature in December: 3.2°C

The month with the highest average low temperature is July (22.6°C).
The coldest month (with the lowest average low temperature) is January (2°C).

  • The average humidity in December: 71.5%

The month with the highest relative humidity is August (80.7%).
The month with the lowest relative humidity is April (66.8%).

  • The average rainfall in December: 91.9mm

The wettest month (with the highest rainfall) is September (199.1mm).
The driest month (with the lowest rainfall) is April (71.6mm).

  • The average rainfall days in December: 9.4 days

The month with the highest number of rainy days is July (16.4 days).
The month with the lowest number of rainy days is April (8.5 days).

  • The average snowfall in December: 20.3mm

The month with the highest snowfall is December (20.3mm).
Months with the lowest snowfall are April, May, June, July, August, September, October and November (0mm).

  • The average snowfall days in December: 0.3 days

Months with the highest number of snowfall days are January, February and December (0.3 days).
Months with the lowest number of snowfall days are April, May, June, July, August, September, October and November (0 days).

  • The average sea temperature in December: 22°C

Best months for swimming (with the highest average sea temperature) are July and August (28°C).
Coldest months (with the lowest average sea temperature) are January, February and March (20°C).

  • The average daylight in December: 10h

Months with the longest days are May, June and July (Average daylight: 14h).
Months with shortest days are January, November and December (Average daylight: 10h).

  • The average sunshine in December: 5.8h

The month with most sunshine is June (Average sunshine: 9.3h).
The month with least sunshine is December (Average sunshine: 5.8h).

  • The average UV index in December: 3

Months with the highest UV index are June and July (UV index 10).
Months with the lowest UV index are January and December (UV index 3).

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