December weather forecastBastia, France

December

Weather in December

The first month of the winter, December, is also a fresh month in Bastia, France, with an average temperature varying between 12.7°C (54.9°F) and 8.3°C (46.9°F).

Temperature

Bastia records an average high-temperature of a fresh 12.7°C (54.9°F) as December arrives, nearly mirroring the previous month's climate. Bastia's nocturnal December readings average at a chilly 8.3°C (46.9°F), showing little variation from the daytime temperatures.

Humidity

In Bastia, the average relative humidity in December is 74%.

Rainfall

In Bastia, in December, during 7.6 rainfall days, 21mm (0.83") of precipitation is typically accumulated. Throughout the year, there are 101.4 rainfall days, and 325mm (12.8") of precipitation is accumulated.

Snowfall

In Bastia, snow does not fall in April through December.

Sea temperature

In Bastia, in December, the average water temperature is 15.3°C (59.5°F).
Note: Most people find swimming in 15.3°C (59.5°F) to be not enjoyable. The control of one's breathing becomes more challenging as the water temperature drops below 21°C (69.8°F).

Daylight

With an average of 9h and 6min of daylight, December has the shortest days of the year in Bastia.
On the first day of the month, sunrise is at 07:33 and sunset at 16:49. On the last day of December, sunrise is at 07:52 and sunset at 16:58 CET.

Sunshine

In Bastia, the average sunshine in December is 6.4h.

UV index

January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The UV index of 3 during December leads to these advisories:
Undertake protective steps - Preventing sun damage is advised. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.

Updated: Feb 8, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature, in December, in Bastia, records 12.7°C (54.9°F), while the low-temperature is 8.3°C (46.9°F). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, in August is estimated at 29°C (84.2°F).

In December, the average relative humidity is 74%.

In December, in Bastia, France, the rain falls for 7.6 days. Throughout December, 21mm (0.83") of precipitation is accumulated.

April through December are months without snowfall.

In Bastia, in December, it doesn't snow. In January, it regularly snows.

In Bastia, France, in December, the average water temperature is 15.3°C (59.5°F). For swimming, a surface water temperature of 15.3°C (59.5°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

December has the shortest days of the year in Bastia, France, with an average of 9h and 6min of daylight.

In December, the average day length in Bastia, France, is 9h and 7min.

In December, on the first day of the month, sunrise is at 07:33 and sunset at 16:49. On the last day of the month, in Bastia, sunrise is at 07:52 and sunset at 16:58 CET.

In December, the average sunshine duration is 6.4h.

The months with the lowest UV index in Bastia are January, February, November and December, with an average maximum UV index of 3.

In Bastia, the average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

15.5°C

12.7°C

11.3°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

13.3km/h

12.5km/h

12.7km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

0.2

0.1

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

17.5

20.8

20.5

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Bastia, France

Average high temperature in December: 12.7°C

The warmest month (with the highest average high temperature) is August (27.4°C).
The month with the lowest average high temperature is January (11.3°C).

Average low temperature in December: 8.3°C

The month with the highest average low temperature is August (20.8°C).
The coldest month (with the lowest average low temperature) is February (6.5°C).

Average pressure in December
Bastia, France

Average pressure in December: 1017.9mbar

The month with the highest atmospheric pressure is December (1017.9mbar).
The month with the lowest atmospheric pressure is November (1013.6mbar).

Average wind speed in December
Bastia, France

Average wind speed in December: 11.4km/h

The windiest month (with the highest average wind speed) is March (12.7km/h).
The calmest month (with the lowest average wind speed) is August (7.6km/h).

Average humidity in December
Bastia, France

Average humidity in December: 74%

The month with the highest relative humidity is November (77%).
The months with the lowest relative humidity are July and August (67%).

Average rainfall in December
Bastia, France

Average rainfall in December: 21mm

The wettest month (with the highest rainfall) is October (47mm).
The driest month (with the least rainfall) is July (18mm).

Average rainfall days in December
Bastia, France

Average rainfall days in December: 7.6 days

The month with the highest number of rainy days is November (11.1 days).
The month with the least rainy days is August (5.8 days).

Average snowfall in December
Bastia, France

Average snowfall in December: 0mm

The month with the highest snowfall is January (3mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in December
Bastia, France

Average snowfall days in December: 0.2 days

The month with the highest number of snowfall days is February (0.7 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

Average sea temperature in December
Bastia, France

Average sea temperature in December: 15.3°C

The best month for swimming (with the highest average sea temperature) is August (24.2°C).
The coldest month (with the lowest average sea temperature) is February (13.2°C).

Average daylight in December /
Average sunshine in December
Bastia, France

Average daylight in December: 9h and 6min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

Average sunshine in December: 6h and 24min

The months with the most sunshine are June and July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 48min).

Average sunshine days in December
Bastia, France

Average sunshine days in December: 20.8 days

The months with the most sunshine days are July and August (22.3 days).
The month with the least sunshine days is November (17.5 days).

Average UV index in December
Bastia, France

Average UV index in December: 3

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).

Average cloud cover in December
Bastia, France

Average cloud cover in December: 29

The month with the most cloud cover is January (Cloud cover 37).
The month with the least cloud cover is August (Cloud cover 9).

Average visibility in December
Bastia, France

Average visibility in December: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).