Weather in Bay Saint Louis: December
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Average day temperature: | 61.8°F |
| Average night temperature: | 53.6°F | |
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Sea water temperature: | 60.5°F |
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Number of sunny days: | 11 days |
| Day length: | 10.2 - 10.3 hours | |
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Number of rainy days: | 2 days |
| Precipitation totals: | 1.2 in. | |
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| Bay Saint Louis |
temperature
| Bay Saint Louis |
Air temperature in December, °F
| Day temperature | Night temperature |
The highest day temperature during December of 2024 was 72°F. At the same time the lowest night temperature was 38°F. Daily and nightly averages during December were 61.1°F and 52.3°F.
Sea water temperature in Bay Saint Louis in December, °F
The average sea water temperature in December of 2024 was 57.8°F. The highest and lowest sea temperatures during the month were 64.0°F and 54.0°F.
| Sunny days | |
| Partly cloudy days | |
| Cloudy days |
Number of sunny, partly cloudy and cloudy days in December is almost equal.
Precipitation total in December, in.
Precipitation total value in Bay Saint Louis in December is 1.2 in. Other months of the year show relatively similar values.
The average wind speed value in December is 8.0 mph
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 December is: 5.3.
Best time for vacation in Bay Saint Louis
Bay Saint Louis on a weather map
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