Weather in Portsmouth: May
 |
Average day temperature: | 62.6°F |
| Average night temperature: | 50.5°F | |
 |
Sea water temperature: | 49.6°F |
 |
Number of sunny days: | 12 days |
| Day length: | 14.1 - 15.1 hours | |
 |
Number of rainy days: | 2 days |
| Precipitation totals: | 0.9 in. | |
| more information | ||
forecast
| Portsmouth |
temperature
| Portsmouth |
Air temperature in May, °F
The highest day temperature during May of 2024 was 81°F. At the same time the lowest night temperature was 41°F. Day and night temperature averages during May were 62.1°F and 51.5°F.
Sea water temperature in Portsmouth in May, °F
The average sea water temperature in May of 2024 was 51.0°F. The highest and lowest sea temperatures during the month were 55.2°F and 45.5°F.
Number of sunny, partly cloudy and cloudy days in May is almost equal.
Precipitation total in May, in.
Precipitation total value in Portsmouth in May is 0.9 in. Other months of the year show relatively similar values.
The average wind speed value in May is 8.1 mph
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in May is: 8.2.
Best time for vacation in Portsmouth
Portsmouth on a weather map
12 mph
10 mph
8 mph
8 mph
6 mph
6 mph
5 mph
4 mph
