Portsmouth, VA Weather & Climate Normals
Portsmouth's real weather, in one number
Portsmouth, VA scores 46/100 on this site's reading of NOAA's own 30-year normals: strongly seasonal. Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. 4 of the year's 12 months average between 55 and 75°F, the range this site counts as mild.
Portsmouth's hottest and coldest months
Portsmouth's hottest month is Jul, averaging 80°F; its coldest is Jan, averaging 41°F, a 39.1°F swing across the year, a middling gap by national standards.
Rain and snow in Portsmouth
Over a typical year, Portsmouth sees about 53.34in of precipitation a year across roughly 121 days with measurable rain or snow. That station has no snowfall reading, so none is shown rather than assumed.
Where Portsmouth ranks
Portsmouth ranks 2909 of 4876 US cities in this dataset for comfort score, and 60 of 63 within VA. About 96,482 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from NORFOLK S, VA US, 7.1 miles from Portsmouth, not a prediction for any specific day.
More on how this is worked out
Why some cities show no snow or rain figure · What a 30-year climate normal actually is