Weather in Saint Malo: December
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Average day temperature: | 50.3°F |
| Average night temperature: | 47.0°F | |
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Sea water temperature: | 51.5°F |
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Number of sunny days: | 6 days |
| Day length: | 8.3 - 8.6 hours | |
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Number of rainy days: | 6 days |
| Precipitation totals: | 3.0 in. | |
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forecast
| Saint Malo |
temperature
| Saint Malo |
Air temperature in December, °F
The highest day temperature during December of 2025 was 58°F. At the same time the lowest night temperature was 34°F. Daily and nightly averages during December were 49.3°F and 46.7°F.
Sea water temperature in Saint Malo in December, °F
The average sea water temperature in December of 2025 was 51.8°F. The highest and lowest sea temperatures during the month were 53.8°F and 49.1°F.
Mostly all days in December are cloudy but sunny and partly cloudy days are also possible.
Precipitation total in December, in.
Precipitation total value in Saint Malo in December is 3.0 in. Other months of the year show relatively similar values.
The average wind speed value in December is 15.3 mph It makes December 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 December is: 3.4.
Best time for vacation in Saint Malo
Saint Malo on a weather map
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