December weather forecastCasielles, Spain
December
Weather in December
December, the first month of the winter in Casielles, is also a fresh month, with an average temperature varying between 4.6°C (40.3°F) and 10.3°C (50.5°F).Temperature
As December unfolds, the average high-temperature reaches a still cool 10.3°C (50.5°F), hinting at a slight fluctuation from the previous month. The low-temperature averages to a wintry 4.6°C (40.3°F) during the nights of December.Humidity
In Casielles, the average relative humidity in December is 79%.Rainfall
In December, in Casielles, the rain falls for 14.3 days. Throughout December, 69mm (2.72") of precipitation is accumulated. In Casielles, during the entire year, the rain falls for 190.5 days and collects up to 717mm (28.23") of precipitation.Snowfall
Months with snowfall are January through March and December. December is the first month it typically snows in Casielles. Throughout December, in the average 0.6 snowfall days, it receives 4mm (0.16") of snow. Throughout the year, there are 3.4 snowfall days, and 48mm (1.89") of snow is accumulated.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 08:32 and sunset at 17:46. On the last day of December, sunrise is at 08:52 and sunset at 17:55 CET.
Sunshine
The months with the least sunshine in Casielles are November and December, with an average of 5.9h of sunshine.UV index
In Casielles, the average daily maximum UV index in December is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 3 in December translates into this advice:
Be vigilant - Preventing sunburn is recommended. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Casielles, Spain
- Average high temperature in December: 10.3°C
The warmest month (with the highest average high temperature) is August (22.1°C).
The months with the lowest average high temperature are January and February (9°C).
- Average low temperature in December: 4.6°C
The month with the highest average low temperature is August (12.3°C).
The coldest month (with the lowest average low temperature) is February (2.8°C).
Average pressure in December
Casielles, Spain
- 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 (1015.6mbar).
Average wind speed in December
Casielles, Spain
- Average wind speed in December: 10.6km/h
The windiest month (with the highest average wind speed) is February (11.9km/h).
The calmest month (with the lowest average wind speed) is August (6.8km/h).
Average humidity in December
Casielles, Spain
- Average humidity in December: 79%
The month with the highest relative humidity is June (84%).
The month with the lowest relative humidity is October (76%).
Average rainfall in December
Casielles, Spain
- Average rainfall in December: 69mm
The wettest month (with the highest rainfall) is January (91mm).
The driest month (with the least rainfall) is September (27mm).
Average rainfall days in December
Casielles, Spain
- Average rainfall days in December: 14.3 days
The month with the highest number of rainy days is April (19.3 days).
The month with the least rainy days is August (11.8 days).
Average snowfall in December
Casielles, Spain
- Average snowfall in December: 4mm
The month with the highest snowfall is February (21mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Casielles, Spain
- Average snowfall days in December: 0.6 days
The month with the highest number of snowfall days is February (1.7 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Casielles, Spain
- 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: 5h and 54min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are November and December (Average sunshine: 5h and 54min).
Average sunshine days in December
Casielles, Spain
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is December (15.5 days).
The month with the least sunshine days is June (8.4 days).
Average UV index in December
Casielles, Spain
- Average UV index in December: 3
The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January, February and November (UV index 2).
Average cloud cover in December
Casielles, Spain
- Average cloud cover in December: 39
The months with the most cloud cover are January and February (Cloud cover 48).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in December
Casielles, Spain
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, September, October, November and December (9km).
The months with the lowest visibility are June, July and August (8km).
