Measurements:
°C
°F
Portsmouth
44°F
SW 16 mph
Feels like: 36°F
Precip: 0%
World Resorts USA Portsmouth Weather August Weather in Portsmouth

Portsmouth Weather: August

Average Day Temperature: 79.6°F
Average Night Temperature: 66.4°F
Sea Water Temperature: 67.1°F
Number of Sunny Days: 9 days
Sunshine Hours: 13.2 - 14.5 hours
Number of Rainy Days: 2 days
Precipitation Totals: 1.3 in

Air Temperature in August, °F

Select Year: 2024 2023 2022

The highest day temperature in August 2024 was 92°F. The lowest night temperature was 54°F. The average values for day and night temperatures during August were 77.9°F и 63.6°F respectivly.

Portsmouth Water Sea Temperature in August, °F

Select Year: 2024 2023 2022

The average sea surface temperature in August 2024 for Portsmouth was 65.9°F. The maximum and minimum values were 63.2°F and 68.4°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in August are cloudy but you can also expect sunny or gloomy days.

Precipitation Totals in August, in

Precipitation total in August for Portsmouth is 1.3 in.

Wind Speed in August, mph

The average wind speed in August is 6.5 mph. It makes August the most windless month of the year for Portsmouth.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Portsmouth in August is 7.9 hours.

Best Time to Visit Portsmouth
The most sunny months:
November 15 days
September 13 days
October 12 days
The most warm months:
July 81.1 °F
August 79.6 °F
June 74.7 °F
Warmest sea temperature:
August 67.0 °F
July 64.9 °F
September 63.8 °F
The most cold months:
January 32.1 °F
February 32.9 °F
December 38.3 °F
The most rainy months:
December 3 days
July 3 days
April 3 days
The most windy months:
March 10 mph
February 9 mph
December 9 mph

Portsmouth on the Weather Map

USA Resorts:
NAME
Boston +48
Chicago +34
Hawaii +80
Honolulu +80
Houston +74
Las Vegas +68
Los Angeles +74
Maui +74
Miami +80
New York +48
San Diego +70
San Francisco +58
Sarasota +74
Tampa +72
Washington +48
24 Hours Weather Forecast
Portsmouth
Local time: 17:11
21 nov, thursday
1800 44°F
SW
16 mph
2100 44°F
SW
17 mph
22 nov, friday
0000 44°F
W
19 mph
0300 44°F
W
23 mph
0600 46°F
W
21 mph
0900 48°F
N
14 mph
1200 48°F
N
10 mph
1500 48°F
NW
10 mph