August weather forecast and climate
Wilmington, NC

What is the temperature in August in Wilmington?

The average high-temperature, in August, in Wilmington, is 88.2°F (31.2°C), while the average low-temperature is 71.2°F (21.8°C).

How many days does it rain in August in Wilmington?

In Wilmington, in August, during 15.9 rainfall days, typically, 7.4" (188.2mm) of precipitation is accumulated.

What is the month with the warmest sea water in Wilmington?

With an average sea temperature of 82.8°F (28.2°C), August is the month with the warmest seawater. For swimming, diving, and other water activities, temperatures between 77°F (25°C) and 84.2°F (29°C) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

What is the water temperature in August in Wilmington?

In Wilmington, in August, the average water temperature is 82.8°F (28.2°C). For swimming, diving, and other water activities, temperatures between 77°F (25°C) and 84.2°F (29°C) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.
Average temperature in August - Wilmington, NC
  • Average high temperature in August: 88.1°F

The warmest month (with the highest average high temperature) is July (89.7°F).
The month with the lowest average high temperature is January (56.4°F).

  • Average low temperature in August: 71.3°F

The month with the highest average low temperature is July (72.6°F).
The coldest month (with the lowest average low temperature) is January (35.6°F).

Average humidity in August - Wilmington, NC
  • Average humidity in August: 80.7%

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

Average rainfall in August - Wilmington, NC
  • Average rainfall in August: 7.4"

The wettest month (with the highest rainfall) is September (7.8").
The driest month (with the lowest rainfall) is April (2.8").

Average rainfall days in August - Wilmington, NC
  • Average rainfall days in August: 15.9 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).

Average snowfall in August - Wilmington, NC
  • Average snowfall in August: 0"

The month with the highest snowfall is December (0.8").
Months with the lowest snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in August - Wilmington, NC
  • Average snowfall days in August: 0 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).

Average sea temperature in August - Wilmington, NC
  • Average sea temperature in August: 82.8°F

The best month for swimming (with the highest average sea temperature) is August (82.8°F).
The coldest month (with the lowest average sea temperature) is February (57.5°F).

Average daylight in August / Average sunshine in August - Wilmington, NC
  • Average daylight in August: 13.4h

The month with the longest days is June (Average daylight: 14.4h).
The month with shortest days is December (Average daylight: 9.9h).

  • Average sunshine in August: 8.2h

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

Average UV index in August - Wilmington, NC
  • Average UV index in August: 9

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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