Weather in Bay Saint Louis: April
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Average day temperature: | 73.9°F |
| Average night temperature: | 64.5°F | |
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Sea water temperature: | 71.8°F |
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Number of sunny days: | 11 days |
| Day length: | 12.5 - 13.3 hours | |
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Number of rainy days: | 2 days |
| Precipitation totals: | 1.3 in. | |
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forecast
| Bay Saint Louis |
temperature
| Bay Saint Louis |
Air temperature in April, °F
The highest day temperature during April of 2025 was 80°F. At the same time the lowest night temperature was 48°F. Daily and nightly averages during April were 74.8°F and 67.1°F.
Sea water temperature in Bay Saint Louis in April, °F
The average sea water temperature in April of 2025 was 73.3°F. The highest and lowest sea temperatures during the month were 81.1°F and 69.6°F.
Number of sunny, partly cloudy and cloudy days in April is almost equal.
Precipitation total in April, in.
Precipitation total value in Bay Saint Louis in April is 1.3 in. Other months of the year show relatively similar values.
The average wind speed value in April is 9.1 mph It makes April 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 April is: 7.4.
Best time for vacation in Bay Saint Louis
Bay Saint Louis on a weather map
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