Weather in December
Temperature
Temperatures reach their minimum during January through March and December, recording an average high-temperature of 29°C (84.2°F).Rainfall
In Saint-Barthélemy, Canada, in December, it is raining for 20 days, with typically 89mm (3.5") of accumulated precipitation. In Saint-Barthélemy, during the entire year, the rain falls for 200 days and collects up to 1000mm (39.37") of precipitation.Sea temperature
In Saint-Barthélemy, in December, the average water temperature is 27°C (80.6°F).Note: For any water activity, temperatures between 25°C (77°F) and 29°C (84.2°F) are deemed excellent and extremely satisfying for enduring periods.
Daylight
December has the shortest days of the year, with an average of 8h and 42min of daylight.On the first day of December, sunrise is at 7:15 am and sunset at 4:08 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 4:16 pm EST.
Sunshine
The months with the least sunshine are January, February, May through July, September through December, with an average of 8h of sunshine.UV index
December is the month with the lowest UV index in Saint-Barthélemy, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 7 suggests this advice:
Guard against overexposure. Protection from sun-induced harm is essential. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Stay vigilant! UV rays get a boost in intensity due to sand and water reflections.
Frequently asked questions
What is the coldest time of year in Saint-Barthélemy?
How hot does it get in Saint-Barthélemy in December?
How much does it rain in Saint-Barthélemy in December?
What is the sea water temperature in December in Saint-Barthélemy?
What is the month with the shortest days in Saint-Barthélemy?
How many hours of daylight does Saint-Barthélemy have in December?
When are sunrise and sunset in December in Saint-Barthélemy?
What is the month with the least sunshine in Saint-Barthélemy?
How long on average sun shines in December in Saint-Barthélemy?
What is the month with the lowest UV index in Saint-Barthélemy?
How high is the UV index in December in Saint-Barthélemy?
Average temperature in December
Saint-Barthélemy, Canada
- Average high temperature in December: 29°C
The warmest months (with the highest average high temperature) are June, July, August, September and October (31°C).
The months with the lowest average high temperature are January, February, March and December (29°C).
- Average low temperature in December: 23°C
The months with the highest average low temperature are June, July, August, September and October (25°C).
The coldest months (with the lowest average low temperature) are January, February, March and December (23°C).
Average rainfall in December
Saint-Barthélemy, Canada
- Average rainfall in December: 89mm
The wettest month (with the highest rainfall) is September (129mm).
The driest months (with the least rainfall) are February and March (43mm).
Average rainfall days in December
Saint-Barthélemy, Canada
- Average rainfall days in December: 20 days
The month with the highest number of rainy days is November (21 days).
The month with the least rainy days is April (12 days).
Average sea temperature in December
Saint-Barthélemy, Canada
- Average sea temperature in December: 27°C
The best months for swimming (with the highest average sea temperature) are September and October (29°C).
The coldest months (with the lowest average sea temperature) are January, February and March (26°C).
Average daylight in December /
Average sunshine in December
Saint-Barthélemy, Canada
- Average daylight in December: 8h and 4min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 8h
The months with the most sunshine are March, April and August (Average sunshine: 9h).
The months with the least sunshine are January, February, May, June, July, September, October, November and December (Average sunshine: 8h).
Average UV index in December
Saint-Barthélemy, Canada
- Average UV index in December: 7
The months with the highest UV index are March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 7).
Saint-Barthélemy, Canada
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