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Portsmouth
Weather averages
ClimateForecastNovemberDecember >>

Portsmouth (NH) Climate by Month

The graphs below provide an overview of the climate in Portsmouth (New Hampshire), the United States of America. They present long-term patterns and averages of weather conditions over a 30-year period.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Monthly hours of sunshine

The average monthly total hours of sunshine over the year
* Data from: Concord, the United States of America (64 KM, 40 Miles).

Monthly precipitation

The mean monthly precipitation over the year, including rain, snow, hail etc.

Monthly rainy days

The average number of days each month with rain, snow, hail etc.

Average humidity

The mean monthly relative humidity over the year
* Data from: Concord, the United States of America (64 KM, 40 Miles).

Forecast for Portsmouth (NH)

Mon   Nov 04
8°C | -3°C
S 11 km/h
broken clouds and no rain

broken clouds and no rain

hourly forecast
Tue   Nov 05
21°C | 7°C
SW 18 km/h
1.7 mm
partly cloudy and chance of rain

partly cloudy and chance of rain

hourly forecast
Wed   Nov 06
24°C | 14°C
W 22 km/h
partly cloudy and no rain

partly cloudy and no rain

hourly forecast
5-Day Forecast 10-Day Forecast

The best time of year to visit Portsmouth in the United States of America

During the months of June and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:

  • Which is the warmest month in Portsmouth?
    July has an average maximum temperature of 27°C and is the warmest month of the year.
  • Which is the coldest month in Portsmouth?
    The coldest month is February with an average maximum temperature of 1°C.
  • Which is the wettest month in Portsmouth?
    June tops the wettest month list with 139 mm of rainfall.
  • Which is the driest month in Portsmouth?
    January is the driest month with 86 mm of precipitation.
  • Which is the sunniest month in Portsmouth?
    July is the sunniest month with an average of 295 hours of sunshine.

    • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

     

     


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