Climate normals · 1970–2000
Portsmouth Climate
Portsmouth is a city in United States (VA) with a population of about 96,201. Its average annual temperature is 15.8°C (60°F), with roughly 1187 mm of rain per year.
15.8°C
Avg Temp
1187
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
Portsmouth Climate
Portsmouth has an average annual temperature of 15.8°C (60°F) and receives about 1187 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
15.8°C
Avg Temp
1187
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 5° / 40° | 101 mm |
| February | 6° / 43° | 90 mm |
| March | 10° / 50° | 104 mm |
| April | 15° / 58° | 81 mm |
| May | 20° / 67° | 100 mm |
| June | 24° / 75° | 99 mm |
| July | 27° / 80° | 131 mm |
| August | 26° / 78° | 126 mm |
| September | 23° / 73° | 107 mm |
| October | 17° / 62° | 88 mm |
| November | 12° / 53° | 76 mm |
| December | 7° / 45° | 84 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Portsmouth
The most comfortable months to visit Portsmouth are typically May, September and June, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 31°C high). The coldest is January (near 0°C low). July is usually the wettest month.
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Frequently Asked Questions
The most comfortable months to visit Portsmouth are typically May, September and June, when temperatures are mildest and rainfall is relatively low (1970–2000 climate normals).
Portsmouth, United States has an average annual temperature of 15.8°C and about 1187 mm of precipitation per year. The warmest month is July and the coldest is January.
In July, the hottest month, daily highs in Portsmouth average about 31°C (88°F).
Monthly climate normals (1970–2000) sampled from WorldClim 2.1 at ~9 km resolution. Humidity derived from vapor pressure. City coordinates and population from GeoNames.