Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average sea temperature in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
Temperature
The shift into December finds Comillas, Spain, at an average high-temperature of a fresh 11.9°C (53.4°F), closely comparable to November's conditions. Comillas logs an average low-temperature of 7.9°C (46.2°F) during the nights of December, subtly lower than its daytime highs.Humidity
In Comillas, the average relative humidity in December is 74%.Rainfall
In Comillas, in December, it is raining for 14 days, with typically 47mm (1.85") of accumulated precipitation. In Comillas, during the entire year, the rain falls for 177 days and collects up to 577mm (22.72") of precipitation.Snowfall
In Comillas, snow does not fall in April through December.Sea temperature
In Comillas, in December, the average water temperature is 14.4°C (57.9°F).Note: Engaging in a swim in 14.4°C (57.9°F) can threaten life. Brief exposure to 13°C (55.4°F) waters is uneasy, and submersion below 10°C (50°F) can lead to cold shock and disrupted breathing patterns, varying by individual.
Daylight
December has the shortest days of the year, with an average of 9h and 0min of daylight.On the first day of the month, sunrise is at 08:30 and sunset at 17:42. On the last day of December, in Comillas, sunrise is at 08:49 and sunset at 17:51 CET.
Sunshine
In December, the average sunshine is 5.9h.UV index
January through April, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Comillas. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, an average UV index of 3 transforms into the following instructions:
Adopt protective measures - It is advised to guard against sun damage. It's recommended to limit sun exposure when its radiation is at its peak during midday. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Comillas in December?
What is the average humidity in December in Comillas?
How many days does it rain in December in Comillas?
When it does not snow in Comillas?
Does it snow in Comillas in December?
What is the sea water temperature in December in Comillas?
What is the month with the shortest days in Comillas?
How many hours of daylight does Comillas have in December?
When are sunrise and sunset in December in Comillas?
How many hours of sunshine does Comillas have in December?
What is the month with the lowest UV index in Comillas?
What is the UV index intensity in December in Comillas?
Average temperature in December
Comillas, Spain
- Average high temperature in December: 11.9°C
The warmest month (with the highest average high temperature) is August (22.2°C).
The month with the lowest average high temperature is January (10.6°C).
- Average low temperature in December: 7.9°C
The month with the highest average low temperature is August (16.2°C).
The coldest month (with the lowest average low temperature) is February (6.6°C).
Average pressure in December
Comillas, 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 (1015.7mbar).
Average wind speed in December
Comillas, Spain
- Average wind speed in December: 15km/h
The windiest month (with the highest average wind speed) is February (16.6km/h).
The calmest month (with the lowest average wind speed) is August (10km/h).
Average humidity in December
Comillas, Spain
- Average humidity in December: 74%
The month with the highest relative humidity is June (81%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Comillas, Spain
- Average rainfall in December: 47mm
The wettest month (with the highest rainfall) is November (86mm).
The driest month (with the least rainfall) is August (22mm).
Average rainfall days in December
Comillas, Spain
- Average rainfall days in December: 14 days
The month with the highest number of rainy days is January (17.8 days).
The month with the least rainy days is August (11.8 days).
Average snowfall in December
Comillas, Spain
- Average snowfall in December: 0mm
The month with the highest snowfall is February (7mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in December
Comillas, Spain
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is February (0.9 days).
The months with the least snowfall days are April, May, June, July, August, September, October, November and December (0 days).
Average sea temperature in December
Comillas, Spain
- Average sea temperature in December: 14.4°C
The best month for swimming (with the highest average sea temperature) is August (21°C).
The coldest months (with the lowest average sea temperature) are February and March (12.8°C).
Average daylight in December /
Average sunshine in December
Comillas, Spain
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 5h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is November (Average sunshine: 5h and 42min).
Average sunshine days in December
Comillas, Spain
- Average sunshine days in December: 15 days
The month with the most sunshine days is October (15.5 days).
The month with the least sunshine days is April (10.2 days).
Average UV index in December
Comillas, Spain
- Average UV index in December: 3
The months with the highest UV index are May, June, July, August and September (UV index 5).
The months with the lowest UV index are January, February, March, April, November and December (UV index 3).
Average cloud cover in December
Comillas, Spain
- Average cloud cover in December: 38
The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in December
Comillas, 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).
