Weather in Portsmouth: November
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Average day temperature: | 48.9°F |
| Average night temperature: | 39.0°F | |
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Sea water temperature: | 51.2°F |
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Number of sunny days: | 16 days |
| Day length: | 9.3 - 10.3 hours | |
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Number of rainy days: | 2 days |
| Precipitation totals: | 0.8 in. | |
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forecast
| Portsmouth |
temperature
| Portsmouth |
Air temperature in November, °F
The highest day temperature during November of 2025 was 60°F. At the same time the lowest night temperature was 26°F. Daily and nightly averages during November were 46.8°F and 35.2°F.
Sea water temperature in Portsmouth in November, °F
The average sea water temperature in November of 2025 was 51.1°F. The highest and lowest sea temperatures during the month were 58.3°F and 47.7°F.
Mostly all days in November are sunny but cloudy days are also possible.
Precipitation total in November, in.
Precipitation total value in Portsmouth in November is 0.8 in. Other months of the year show relatively similar values.
The average wind speed value in November is 9.5 mph It makes November one of the most windy months of the year.
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 November is: 6.6.
Best time for vacation in Portsmouth
Portsmouth on a weather map
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