Weather in South Haven: March
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Average day temperature: | 42.1°F |
| Average night temperature: | 36.3°F | |
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Sea water temperature: | 35.8°F |
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Number of sunny days: | 6 days |
| Day length: | 11.2 - 12.7 hours | |
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Number of rainy days: | 1 day |
| Precipitation totals: | 1.0 in. | |
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forecast
| South Haven |
temperature
| South Haven |
Air temperature in March, °F
The highest day temperature during March of 2025 was 65°F. At the same time the lowest night temperature was 23°F. Daily and nightly averages during March were 46.0°F and 36.8°F.
Sea water temperature in South Haven in March, °F
The average sea water temperature in March of 2025 was 34.9°F. The highest and lowest sea temperatures during the month were 38.3°F and 31.8°F.
Mostly all days in March are cloudy but sunny and partly cloudy days are also possible.
Precipitation total in March, in.
Precipitation total value in South Haven in March is 1.0 in. Other months of the year show relatively similar values.
The average wind speed value in March is 12.5 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: 4.9.
Best time for vacation in South Haven
South Haven on a weather map
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