December weather forecastPortet-sur-Garonne, France
December
Weather in December
The first month of the winter, December, is also a fresh month in Portet-sur-Garonne, France, with an average temperature ranging between min 4.2°C (39.6°F) and max 10°C (50°F).Temperature
December brings a minor shift in the average high-temperature, adjusting from a moderate 13.5°C (56.3°F) in November to a cool 10°C (50°F). Throughout December, an average low-temperature of 4.2°C (39.6°F) is expected in Portet-sur-Garonne.Humidity
The months with the highest humidity in Portet-sur-Garonne are January and December, with an average relative humidity of 83%.Rainfall
In Portet-sur-Garonne, in December, during 13.2 rainfall days, 38mm (1.5") of precipitation is typically accumulated. Throughout the year, there are 165.1 rainfall days, and 523mm (20.59") of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall in Portet-sur-Garonne. In Portet-sur-Garonne, during December, snow falls for 1.2 days and regularly aggregates up to 9mm (0.35") of snow. In Portet-sur-Garonne, during the entire year, snow falls for 6.5 days and aggregates up to 53mm (2.09") of snow.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 08:08 and sunset at 17:19. On the last day of December, sunrise is at 08:27 and sunset at 17:27 CET.
Sunshine
The average sunshine in December in Portet-sur-Garonne is 5.1h.UV index
In December, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 3 during December translates into the following directions:
Put precautions into practice - Protective measures against sun-induced damage are advised. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Portet-sur-Garonne, France
- Average high temperature in December: 10°C
The warmest month (with the highest average high temperature) is August (28.4°C).
The month with the lowest average high temperature is January (8.8°C).
- Average low temperature in December: 4.2°C
The month with the highest average low temperature is August (16.5°C).
The coldest month (with the lowest average low temperature) is February (2.7°C).
Average pressure in December
Portet-sur-Garonne, France
- Average pressure in December: 1021.7mbar
The month with the highest atmospheric pressure is December (1021.7mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in December
Portet-sur-Garonne, France
- Average wind speed in December: 12km/h
The windiest month (with the highest average wind speed) is March (13.7km/h).
The calmest months (with the lowest average wind speed) are August and September (9.7km/h).
Average humidity in December
Portet-sur-Garonne, France
- Average humidity in December: 83%
The months with the highest relative humidity are January and December (83%).
The month with the lowest relative humidity is August (65%).
Average rainfall in December
Portet-sur-Garonne, France
- Average rainfall in December: 38mm
The wettest month (with the highest rainfall) is May (61mm).
The driest month (with the least rainfall) is September (26mm).
Average rainfall days in December
Portet-sur-Garonne, France
- Average rainfall days in December: 13.2 days
The month with the highest number of rainy days is April (16.8 days).
The month with the least rainy days is September (10.7 days).
Average snowfall in December
Portet-sur-Garonne, France
- Average snowfall in December: 9mm
The month with the highest snowfall is February (22mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Portet-sur-Garonne, France
- Average snowfall days in December: 1.2 days
The month with the highest number of snowfall days is February (2.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Portet-sur-Garonne, France
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 5h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in December
Portet-sur-Garonne, France
- Average sunshine days in December: 16 days
The month with the most sunshine days is October (18 days).
The month with the least sunshine days is May (11.7 days).
Average UV index in December
Portet-sur-Garonne, 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 and November (UV index 2).
Average cloud cover in December
Portet-sur-Garonne, France
- Average cloud cover in December: 46
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Portet-sur-Garonne, France
- Average visibility in December: 9km
The month with the highest visibility is August (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, September, October, November and December (9km).
