World Resorts USA Portsmouth Weather

Summer weather in Portsmouth

Weather in Portsmouth in Summer

June July August
Average day temperature:
Average day temperature: 72.7°F 78.5°F 77.0°F
Average night temperature:
Average night temperature: 60.3°F 66.5°F 64.2°F
Sea water temperature:
Sea water temperature: 57.3°F 63.3°F 65.0°F
Number of sunny days:
Number of sunny days: 10 days 11 days 11 days
Day length:
Day length: 15.2 - 15.4 h. 14.5 - 15.3 h. 13.2 - 14.5 h.
Number of rainy days:
Number of rainy days: 1 day 3 days 2 days
Precipitation totals:
Precipitation totals: 0.8 in. 1.5 in. 1.1 in.

Day & Night air temperature, °F

Sea water temperature, °F

Precipitation total, in.

Sunny, partly cloudy and cloudy days
Wind speed, mph
Average sunny hours

Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.

Best time for vacation in Portsmouth

Sunniest months:
November 16 days
October 14 days
September 13 days
Warmest months:
July 78.5 °F
August 77.0 °F
June 72.7 °F
Warmest sea temp:
August 65.0 °F
July 63.3 °F
September 62.2 °F
Coldest months:
January 33.2 °F
February 34.2 °F
December 37.8 °F
Rainiest months:
July 3 days
April 3 days
August 2 days
Windiest months:
March 9.7 mph
January 9.7 mph
February 9.6 mph

Portsmouth on a weather map

Portsmouth
+21°F
E 16 mph
Feels like: +7°F
Precip.: 0%
Places in USA:
Name
°F
+30°F
+75°F
+75°F
+50°F
+61°F
+68°F
+72°F
+70°F
+25°F
+64°F
+57°F
+64°F
+66°F
+66°F
+23°F
24 Hours Forecast
Portsmouth
Local time: 18:59
January 01, thursday
2100
14°F
E
15 mph
January 02, friday
0000
10°F
E
13 mph
0300
9°F
E
11 mph
0600
9°F
NE
11 mph
0900
14°F
E
11 mph
1200
21°F
E
14 mph
1500
27°F
E
12 mph
1800
25°F
E
6 mph
Units of measurement: °C / °F