Weather in Saint Malo: December
![]() |
Average day temperature: | 50.3°F |
Average night temperature: | 47.0°F | |
![]() |
Sea water temperature: | 51.5°F |
![]() |
Number of sunny days: | 6 days |
Day length: | 8.3 - 8.6 hours | |
![]() |
Number of rainy days: | 6 days |
Precipitation totals: | 3.2 in. | |
more information |
forecast
Saint Malo |
temperature
Saint Malo |
Air temperature in December, °F
Day temperature | Night temperature |
The highest day temperature during December of 2024 was 59°F. At the same time the lowest night temperature was 35°F. Daily and nightly averages during December were 49.4°F and 47.6°F.
Sea water temperature in Saint Malo in December, °F
The average sea water temperature in December of 2024 was 51.4°F. The highest and lowest sea temperatures during the month were 54.0°F and 48.7°F.
Sunny days | |
Partly cloudy days | |
Cloudy days |
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 3.3 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: 3.3.
Best time for vacation in Saint Malo
Saint Malo on a weather map

14 mph

15 mph

13 mph

14 mph

11 mph

12 mph

13 mph

9 mph