December weather forecastCastillon-de-Castets, France
December
Weather in December
December, the first month of the winter in Castillon-de-Castets, is also a fresh month, with an average temperature varying between 4.5°C (40.1°F) and 10.4°C (50.7°F).Temperature
December's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from November's moderate 13.5°C (56.3°F) to a cool 10.4°C (50.7°F). Castillon-de-Castets records an average temperature drop to an icy 4.5°C (40.1°F) in December.Humidity
In December, the average relative humidity in Castillon-de-Castets, France, is 85%.Rainfall
In Castillon-de-Castets, in December, during 14.5 rainfall days, 54mm (2.13") of precipitation is typically accumulated. Throughout the year, in Castillon-de-Castets, there are 175.6 rainfall days, and 565mm (22.24") of precipitation is accumulated.Snowfall
Months with snowfall in Castillon-de-Castets, France, are January through March and December. December is the month with the most snowfall in Castillon-de-Castets. Snow falls for 0.9 days and accumulates 10mm (0.39") of snow.Daylight
The month with the shortest days in Castillon-de-Castets is December, with an average of 8h and 54min of daylight.On the first day of December in Castillon-de-Castets, sunrise is at 08:17 and sunset at 17:21. On the last day of the month, sunrise is at 08:36 and sunset at 17:30 CET.
Sunshine
The average sunshine in December in Castillon-de-Castets is 5h.UV index
In Castillon-de-Castets, the average daily maximum UV index in December is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 3 in December interprets into the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Castillon-de-Castets, France
- Average high temperature in December: 10.4°C
The warmest month (with the highest average high temperature) is August (28.6°C).
The month with the lowest average high temperature is January (9.2°C).
- Average low temperature in December: 4.5°C
The month with the highest average low temperature is July (15.6°C).
The coldest month (with the lowest average low temperature) is February (3.2°C).
Average pressure in December
Castillon-de-Castets, France
- Average pressure in December: 1021.5mbar
The month with the highest atmospheric pressure is December (1021.5mbar).
The month with the lowest atmospheric pressure is November (1015.5mbar).
Average wind speed in December
Castillon-de-Castets, France
- Average wind speed in December: 8.5km/h
The windiest month (with the highest average wind speed) is March (9.3km/h).
The calmest months (with the lowest average wind speed) are August and September (7.1km/h).
Average humidity in December
Castillon-de-Castets, France
- Average humidity in December: 85%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (69%).
Average rainfall in December
Castillon-de-Castets, France
- Average rainfall in December: 54mm
The wettest month (with the highest rainfall) is November (80mm).
The driest month (with the least rainfall) is September (25mm).
Average rainfall days in December
Castillon-de-Castets, France
- Average rainfall days in December: 14.5 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is September (10.8 days).
Average snowfall in December
Castillon-de-Castets, France
- Average snowfall in December: 10mm
The month with the highest snowfall is December (10mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Castillon-de-Castets, France
- Average snowfall days in December: 0.9 days
The month with the highest number of snowfall days is February (1.2 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
Castillon-de-Castets, France
- Average daylight in December: 8h and 54min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in December
Castillon-de-Castets, France
- Average sunshine days in December: 15.3 days
The months with the most sunshine days are August and October (17.1 days).
The months with the least sunshine days are April and May (11.5 days).
Average UV index in December
Castillon-de-Castets, France
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are February and November (UV index 2).
Average cloud cover in December
Castillon-de-Castets, France
- Average cloud cover in December: 49
The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 31).
Average visibility in December
Castillon-de-Castets, France
- Average visibility in December: 8km
The months with the highest visibility are May, June, July, August and September (9km).
The month with the lowest visibility is January (7km).
