Measurements:
°C
°F
Portsmouth
52°F
NE 9 mph
Feels like: 48°F
Precip: 0%
World Resorts USA Portsmouth Weather January Weather in Portsmouth

Portsmouth Weather: January

Average Day Temperature: 32.1°F
Average Night Temperature: 25.2°F
Sea Water Temperature: 40.9°F
Number of Sunny Days: 8 days
Sunshine Hours: 9.1 - 9.9 hours
Number of Rainy Days: 2 days
Precipitation Totals: 1.4 in
Number of Snowy Days: 1 day

Air Temperature in January, °F

Select Year: 2024 2023 2022

The highest day temperature in January 2024 was 51°F. The lowest night temperature was 8°F. The average values for day and night temperatures during January were 31.5°F и 25.0°F respectivly.

Portsmouth Water Sea Temperature in January, °F

Select Year: 2024 2023 2022

The average sea surface temperature in January 2024 for Portsmouth was 40.5°F. The maximum and minimum values were 38.4°F and 42.2°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in January are gloomy but you can also expect sunny days.

Precipitation Totals in January, in

Precipitation total in January for Portsmouth is 1.4 in. It makes january one of the most rainy months of the year.

Wind Speed in January, mph

The average wind speed in January is 9.4 mph. It makes January one of the most windy months 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 January is 4.4 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 +56
Chicago +64
Hawaii +80
Honolulu +80
Houston +74
Las Vegas +44
Los Angeles +62
Maui +74
Miami +84
New York +62
San Diego +52
San Francisco +56
Sarasota +76
Tampa +78
Washington +62
24 Hours Weather Forecast
Portsmouth
Local time: 09:57
05 nov, tuesday
1200 62°F
NE
11 mph
1500 70°F
NE
11 mph
1800 66°F
NE
7 mph
2100 62°F
NE
11 mph
06 nov, wednesday
0000 60°F
NE
12 mph
0300 60°F
NE
13 mph
0600 60°F
NE
13 mph
0900 62°F
NE
14 mph