Weather in Plymouth: March
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Average day temperature: | 45.1°F |
Average night temperature: | 36.9°F | |
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Sea water temperature: | 40.1°F |
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Number of sunny days: | 9 days |
Day length: | 11.3 - 12.7 hours | |
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Number of rainy days: | 2 days |
Precipitation totals: | 1.1 in. | |
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Plymouth |
temperature
Plymouth |
Air temperature in March, °F
Day temperature | Night temperature |
The highest day temperature during March of 2025 was 60°F. At the same time the lowest night temperature was 16°F. Daily and nightly averages during March were 46.9°F and 37.3°F.
Sea water temperature in Plymouth in March, °F
The average sea water temperature in March of 2025 was 39.9°F. The highest and lowest sea temperatures during the month were 42.8°F and 36.5°F.
Sunny days | |
Partly cloudy days | |
Cloudy days |
Number of sunny, partly cloudy and cloudy days in March is almost equal.
Precipitation total in March, in.
Precipitation total value in Plymouth in March is 1.1 in. Other months of the year show relatively similar values.
The average wind speed value in March is 11.1 mph It makes March 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 March is: 5.9.
Best time for vacation in Plymouth
Plymouth on a weather map

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