Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall days in December
- Average sea temperature in December
- Average daylight in December
- Average sunshine in December
- Average UV index in December
Weather in December
Temperature
St-Malo experiences an average high-temperature of a frosty 9.2°C (48.6°F) with the onset of December, subtly varied from November's 12°C (53.6°F). During the month of December, St-Malo anticipates a mean low-temperature of 3.7°C (38.7°F).Humidity
October and December, with an average relative humidity of 85%, are the most humid months.Rainfall
In St-Malo, in December, it is raining for 13.4 days, with typically 80mm (3.15") of accumulated precipitation. In St-Malo, during the entire year, the rain falls for 129.4 days and collects up to 759mm (29.88") of precipitation.Snowfall
January through April, November and December are months with snowfall in St-Malo. In December, in St-Malo, snow falls for 1.4 days. Throughout the year, in St-Malo, there are 7.9 snowfall days.Sea temperature
In St-Malo, in December, the average water temperature is 11.9°C (53.4°F).Note: Swimming in 11.9°C (53.4°F) poses a severe threat. Even short exposure to 13°C (55.4°F) is chilling, and going below 10°C (50°F) can cause breathing irregularities and intense cold shock, based on one's stamina.
Daylight
With an average of 8h and 24min of daylight, December has the shortest days of the year in St-Malo.On the first day of the month, sunrise is at 08:39 and sunset at 17:14. On the last day of December, sunrise is at 09:00 and sunset at 17:22 CET.
Sunshine
With an average of 2.1h of sunshine, December has the least sunshine of the year in St-Malo, France.UV index
The months with the lowest UV index are January, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A maximum daily UV index of 1 during December morphs into the following directions:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Frequently asked questions
What are December temperatures in St-Malo?
What is the most humid month in St-Malo?
What is the average humidity in December in St-Malo?
How much does it rain in St-Malo in December?
How many days does it snow in December in St-Malo?
What is the water temperature in December in St-Malo?
What is the month with the shortest days in St-Malo?
How many hours of daylight does St-Malo have in December?
When is the sunrise / sunset in December in St-Malo?
What is the month with the least sunshine in St-Malo?
How many hours of sunshine does St-Malo have in December?
What are the months with the lowest UV index in St-Malo?
What is the UV index reading in December in St-Malo?
Average temperature in December
St-Malo, France
- Average high temperature in December: 9.2°C
The warmest month (with the highest average high temperature) is August (22°C).
The month with the lowest average high temperature is January (8.8°C).
- Average low temperature in December: 3.7°C
The month with the highest average low temperature is August (13.6°C).
The coldest month (with the lowest average low temperature) is February (3.1°C).
Average humidity in December
St-Malo, France
- Average humidity in December: 85%
The months with the highest relative humidity are October and December (85%).
The months with the lowest relative humidity are March, April and May (79%).
Average rainfall in December
St-Malo, France
- Average rainfall in December: 80mm
The wettest months (with the highest rainfall) are October and November (86.8mm).
The driest month (with the least rainfall) is June (49.1mm).
Average rainfall days in December
St-Malo, France
- Average rainfall days in December: 13.4 days
The month with the highest number of rainy days is November (13.8 days).
The month with the least rainy days is July (7.6 days).
Average snowfall days in December
St-Malo, France
- Average snowfall days in December: 1.4 days
The month with the highest number of snowfall days is February (2.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in December
St-Malo, France
- Average sea temperature in December: 11.9°C
The best month for swimming (with the highest average sea temperature) is September (18.2°C).
The coldest month (with the lowest average sea temperature) is February (8.7°C).
Average daylight in December /
Average sunshine in December
St-Malo, France
- Average daylight in December: 8h and 2min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in December: 2h and 1min
The month with the most sunshine is June (Average sunshine: 6h and 54min).
The month with the least sunshine is December (Average sunshine: 2h and 6min).
Average UV index in December
St-Malo, France
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, November and December (UV index 1).
St-Malo, France
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