December weather forecastCalafell, Spain
December
Weather in December
The first month of the winter, December, is still a refreshing month in Calafell, Spain, with an average temperature fluctuating between 13°C (55.4°F) and 8.9°C (48°F).Temperature
December ushers in a minute temperature change, with average high-temperatures reducing from November's comfortable 16.2°C (61.2°F) to a still refreshing 13°C (55.4°F). Calafell experiences an average nighttime temperature of 8.9°C (48°F) in December, reflecting a minor difference from the day's peak.Humidity
The average relative humidity in December is 71%.Rainfall
In December, the rain falls for 6.5 days. Throughout December, 28mm (1.1") of precipitation is accumulated. In Calafell, during the entire year, the rain falls for 123.2 days and collects up to 427mm (16.81") of precipitation.Snowfall
January, April through December are months without snowfall.Sea temperature
In Calafell, in December, the average water temperature is 15°C (59°F).Note: Most people do not enjoy swimming in water of 15°C (59°F). Breathing control becomes harder as the temperature descends from 21°C (69.8°F) to 15°C (59°F).
Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 08:00 and sunset at 17:25. On the last day of December, sunrise is at 08:19 and sunset at 17:34 CET.
Sunshine
With an average of 6.7h of sunshine, December has the least sunshine of the year.UV index
The average daily maximum UV index in December is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: A maximum daily UV index of 4 during December morphs into the following directions:
Guard yourself - Avoiding sunburn is suggested. To guard against the harmful effects of the Sun, minimize exposure during midday. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Calafell, Spain
- Average high temperature in December: 13°C
The warmest month (with the highest average high temperature) is August (27°C).
The month with the lowest average high temperature is January (12.2°C).
- Average low temperature in December: 8.9°C
The month with the highest average low temperature is August (22.3°C).
The coldest month (with the lowest average low temperature) is January (7.4°C).
Average pressure in December
Calafell, Spain
- Average pressure in December: 1020.8mbar
The month with the highest atmospheric pressure is December (1020.8mbar).
The month with the lowest atmospheric pressure is April (1014.7mbar).
Average wind speed in December
Calafell, Spain
- Average wind speed in December: 13.8km/h
The windiest month (with the highest average wind speed) is January (14.7km/h).
The calmest month (with the lowest average wind speed) is August (9.9km/h).
Average humidity in December
Calafell, Spain
- Average humidity in December: 71%
The month with the highest relative humidity is April (73%).
The months with the lowest relative humidity are January, February, June and November (69%).
Average rainfall in December
Calafell, Spain
- Average rainfall in December: 28mm
The wettest month (with the highest rainfall) is October (63mm).
The driest month (with the least rainfall) is February (17mm).
Average rainfall days in December
Calafell, Spain
- Average rainfall days in December: 6.5 days
The month with the highest number of rainy days is September (14.4 days).
The month with the least rainy days is December (6.5 days).
Average snowfall in December
Calafell, Spain
- Average snowfall in December: 0mm
The month with the highest snowfall is February (3mm).
The months with the least snowfall are January, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in December
Calafell, Spain
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are January, April, May, June, July, August, September, October, November and December (0 days).
Average sea temperature in December
Calafell, Spain
- Average sea temperature in December: 15°C
The best month for swimming (with the highest average sea temperature) is August (26°C).
The coldest month (with the lowest average sea temperature) is February (13°C).
Average daylight in December /
Average sunshine in December
Calafell, Spain
- Average daylight in December: 9h and 18min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 6h and 42min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in December
Calafell, Spain
- Average sunshine days in December: 22.7 days
The month with the most sunshine days is December (22.7 days).
The month with the least sunshine days is September (11.6 days).
Average UV index in December
Calafell, Spain
- Average UV index in December: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and November (UV index 3).
Average cloud cover in December
Calafell, Spain
- Average cloud cover in December: 25
The month with the most cloud cover is April (Cloud cover 30).
The month with the least cloud cover is July (Cloud cover 15).
Average visibility in December
Calafell, Spain
- 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).





