December weather forecastArucas, Spain
December
Weather in December
The first month of the winter, December, is also an agreeable month in Arucas, Spain, with an average temperature ranging between max 20°C (68°F) and min 17.7°C (63.9°F).Temperature
The onset of December brings with it an average high-temperature of a still agreeable 20°C (68°F), showing a negligible variation from the month before. Throughout December, Arucas records a steady low-temperature average of 17.7°C (63.9°F), a minor decrease from its daytime counterpart.Humidity
The months with the lowest humidity are January and December, with an average relative humidity of 70%.Rainfall
In Arucas, during December, the rain falls for 7.2 days and regularly aggregates up to 9mm (0.35") of precipitation. Throughout the year, there are 77.4 rainfall days, and 116mm (4.57") of precipitation is accumulated.Sea temperature
In Arucas, in December, the average water temperature is 20°C (68°F).Note: For swimming, a surface water temperature of 20°C (68°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).
Daylight
December has the shortest days of the year, with an average of 10h and 24min of daylight.On the first day of the month, sunrise is at 07:36 and sunset at 18:05. On the last day of December, sunrise is at 07:53 and sunset at 18:17 WET.
Sunshine
In Arucas, the average sunshine in December is 8.6h.UV index
The months with the lowest UV index are January through May, November and December, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: During December, 5 as the daily maximum UV index converts into the following advice:
Act with care - The suggestion to avoid sunburn is emphasized. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Arucas, Spain
- Average high temperature in December: 20°C
The warmest month (with the highest average high temperature) is August (24.2°C).
The month with the lowest average high temperature is February (18.3°C).
- Average low temperature in December: 17.7°C
The month with the highest average low temperature is October (21°C).
The coldest month (with the lowest average low temperature) is February (15.7°C).
Average pressure in December
Arucas, Spain
- Average pressure in December: 1021.2mbar
The month with the highest atmospheric pressure is January (1022.2mbar).
The month with the lowest atmospheric pressure is August (1015.5mbar).
Average wind speed in December
Arucas, Spain
- Average wind speed in December: 19.6km/h
The windiest month (with the highest average wind speed) is July (25.7km/h).
The calmest month (with the lowest average wind speed) is October (16km/h).
Average humidity in December
Arucas, Spain
- Average humidity in December: 70%
The months with the highest relative humidity are July and August (80%).
The months with the lowest relative humidity are January and December (70%).
Average rainfall in December
Arucas, Spain
- Average rainfall in December: 9mm
The wettest month (with the highest rainfall) is October (19mm).
The driest month (with the least rainfall) is July (2mm).
Average rainfall days in December
Arucas, Spain
- Average rainfall days in December: 7.2 days
The month with the highest number of rainy days is November (10.8 days).
The month with the least rainy days is June (3.8 days).
Average sea temperature in December
Arucas, Spain
- Average sea temperature in December: 20°C
The best months for swimming (with the highest average sea temperature) are August, September and October (23°C).
The coldest months (with the lowest average sea temperature) are January, February, March and April (19°C).
Average daylight in December /
Average sunshine in December
Arucas, Spain
- Average daylight in December: 10h and 24min
The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).
- Average sunshine in December: 8h and 36min
The month with the most sunshine is August (Average sunshine: 9h and 18min).
The month with the least sunshine is February (Average sunshine: 8h and 0min).
Average sunshine days in December
Arucas, Spain
- Average sunshine days in December: 18.9 days
The month with the most sunshine days is July (24.7 days).
The month with the least sunshine days is November (14 days).
Average UV index in December
Arucas, Spain
- Average UV index in December: 5
The months with the highest UV index are June, July, August, September and October (UV index 6).
The months with the lowest UV index are January, February, March, April, May, November and December (UV index 5).
Average cloud cover in December
Arucas, Spain
- Average cloud cover in December: 29
The month with the most cloud cover is November (Cloud cover 36).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in December
Arucas, 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).





