Weather in Block Island: March
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Average day temperature: | 42.7°F |
| Average night temperature: | 39.3°F | |
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Sea water temperature: | 41.7°F |
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Number of sunny days: | 10 days |
| Day length: | 11.3 - 12.7 hours | |
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Number of rainy days: | 3 days |
| Precipitation totals: | 1.4 in. | |
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forecast
| Block Island |
temperature
| Block Island |
Air temperature in March, °F
| Day temperature | Night temperature |
The highest day temperature during March of 2025 was 46°F. At the same time the lowest night temperature was 22°F. Daily and nightly averages during March were 41.9°F and 39.7°F.
Sea water temperature in Block Island in March, °F
The average sea water temperature in March of 2025 was 40.9°F. The highest and lowest sea temperatures during the month were 42.4°F and 39.2°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 Block Island in March is 1.4 in. Other months of the year show relatively similar values.
The average wind speed value in March is 15.4 mph It makes March 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 March is: 6.3.
Best time for vacation in Block Island
Block Island on a weather map
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