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Portsmouth Climate by Month

The graphs below provide an overview of the climate in Portsmouth (Virginia), 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 precipitation

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

Forecast for Portsmouth

Tue   Nov 19
20°C | 10°C
SE 14 km/h
broken clouds and no rain

broken clouds and no rain

Wed   Nov 20
20°C | 15°C
SW 11 km/h
8.2 mm
overcast and rain

overcast and rain

Thu   Nov 21
14°C | 5°C
W 22 km/h
broken clouds and no rain

broken clouds and no rain

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

During the months of April, May and October 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 32°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 10°C.
  • Which is the wettest month in Portsmouth?
    September tops the wettest month list with 170 mm of rainfall.
  • Which is the driest month in Portsmouth?
    February is the driest month with 70 mm of precipitation.
  • Which is the sunniest month in Portsmouth?
    June is the sunniest month with an average of 282 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.