Weather in Provincetown: January
| Average day temperature: | 36.2°F | |
| Average night temperature: | 33.5°F | |
| Sea water temperature: | 42.5°F | |
| Number of sunny days: | 7 days | |
| Day length: | 9.2 - 10.0 hours | |
| Number of rainy days: | 3 days | |
| Precipitation totals: | 1.3 in. | |
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forecast
| Provincetown |
temperature
| Provincetown |
Air temperature in January, °F
The highest day temperature during January of 2025 was 46°F. At the same time the lowest night temperature was 21°F. Daily and nightly averages during January were 32.1°F and 30.8°F.
Sea water temperature in Provincetown in January, °F
The average sea water temperature in January of 2025 was 40.9°F. The highest and lowest sea temperatures during the month were 44.4°F and 37.8°F.
Mostly all days in January are cloudy but sunny and partly cloudy days are also possible.
Precipitation total in January, in.
Precipitation total value in Provincetown in January is 1.3 in. Other months of the year show relatively similar values.
The average wind speed value in January is 14.5 mph It makes January most windy month 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 January is: 4.3.
Best time for vacation in Provincetown
Provincetown on a weather map

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