December weather forecastUlldecona, Spain
December
Weather in December
The first month of the winter, December, is still a mild month in Ulldecona, Spain, with an average temperature fluctuating between 9.6°C (49.3°F) and 14.3°C (57.7°F).Temperature
Transitioning into December, Ulldecona experiences an average high-temperature of a still refreshing 14.3°C (57.7°F), marking a minor shift from the preceding month. Ulldecona observes a consistent average low-temperature of 9.6°C (49.3°F) throughout December nights.Humidity
April, August, October and December, with an average relative humidity of 68%, are the most humid months.Rainfall
In Ulldecona, in December, it is raining for 5.6 days, with typically 22mm (0.87") of accumulated precipitation. In Ulldecona, during the entire year, the rain falls for 96.3 days and collects up to 284mm (11.18") of precipitation.Snowfall
January, March through December are months without snowfall.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 08:02 and sunset at 17:31. On the last day of the month, sunrise is at 08:21 and sunset at 17:41 CET.
Sunshine
The average sunshine in December in Ulldecona is 6.9h.UV index
January through March, November and December, with an average maximum UV index of 4, are months with the lowest UV index in Ulldecona, Spain. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 4 in December translates into this advice:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Ulldecona, Spain
- Average high temperature in December: 14.3°C
The warmest month (with the highest average high temperature) is August (27.9°C).
The month with the lowest average high temperature is January (13.3°C).
- Average low temperature in December: 9.6°C
The month with the highest average low temperature is August (22.6°C).
The coldest month (with the lowest average low temperature) is February (7.8°C).
Average pressure in December
Ulldecona, Spain
- Average pressure in December: 1021.2mbar
The month with the highest atmospheric pressure is December (1021.2mbar).
The month with the lowest atmospheric pressure is April (1014.7mbar).
Average wind speed in December
Ulldecona, Spain
- Average wind speed in December: 16.7km/h
The windiest month (with the highest average wind speed) is January (18.9km/h).
The calmest month (with the lowest average wind speed) is August (11.8km/h).
Average humidity in December
Ulldecona, Spain
- Average humidity in December: 68%
The months with the highest relative humidity are April, August, October and December (68%).
The months with the lowest relative humidity are February, March, May, June and November (66%).
Average rainfall in December
Ulldecona, Spain
- Average rainfall in December: 22mm
The wettest month (with the highest rainfall) is October (45mm).
The driest month (with the least rainfall) is July (10mm).
Average rainfall days in December
Ulldecona, Spain
- Average rainfall days in December: 5.6 days
The month with the highest number of rainy days is April (11.9 days).
The month with the least rainy days is December (5.6 days).
Average snowfall in December
Ulldecona, Spain
- Average snowfall in December: 0mm
The month with the highest snowfall is February (6mm).
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in December
Ulldecona, Spain
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is February (0.2 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Ulldecona, Spain
- Average daylight in December: 9h and 18min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 6h and 54min
The months with the most sunshine are June and July (Average sunshine: 11h and 54min).
The month with the least sunshine is November (Average sunshine: 6h and 48min).
Average sunshine days in December
Ulldecona, Spain
- Average sunshine days in December: 24 days
The month with the most sunshine days is December (24 days).
The month with the least sunshine days is April (15.5 days).
Average UV index in December
Ulldecona, Spain
- Average UV index in December: 4
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 4).
Average cloud cover in December
Ulldecona, Spain
- Average cloud cover in December: 22
The month with the most cloud cover is April (Cloud cover 27).
The month with the least cloud cover is July (Cloud cover 12).
Average visibility in December
Ulldecona, 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).





