December weather forecastBermeo, Spain
December
Weather in December
The first month of the winter, December, is also a fresh month in Bermeo, Spain, with an average temperature varying between 12.2°C (54°F) and 8.1°C (46.6°F).Temperature
The onset of December brings an average high-temperature of a cool 12.2°C (54°F), nearly matching the November temperature. Throughout December nights, Bermeo records a consistent low-temperature averaging a frosty 8.1°C (46.6°F).Humidity
In December, the average relative humidity in Bermeo is 75%.Rainfall
In Bermeo, in December, it is raining for 16.5 days, with typically 54mm (2.13") of accumulated precipitation. Throughout the year, there are 198.1 rainfall days, and 634mm (24.96") of precipitation is accumulated.Snowfall
January through March and December are months with snowfall. December is the first month it typically snows in Bermeo. Throughout December, in the average 0.3 snowfall days, it receives 2mm (0.08") of snow. In Bermeo, during the entire year, snow falls for 2.4 days and aggregates up to 20mm (0.79") of snow.Sea temperature
In Bermeo, in December, the average water temperature is 14.3°C (57.7°F).Note: Taking a dip in 14.3°C (57.7°F) can be perilous. Submersion in temperatures under 10°C (50°F) triggers severe cold shock accompanied by hyperventilation.
Daylight
The month with the shortest days is December, with an average of 9h and 0min of daylight.On the first day of the month, sunrise is at 08:24 and sunset at 17:36. On the last day of December, sunrise is at 08:43 and sunset at 17:44 CET.
Sunshine
In December, the average sunshine in Bermeo, Spain, is 5.4h.UV index
January through April, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Bermeo. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: In December, a daily maximum UV index of 3 leads to the following instructions:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Bermeo, Spain
- Average high temperature in December: 12.2°C
The warmest month (with the highest average high temperature) is August (23.3°C).
The month with the lowest average high temperature is January (10.8°C).
- Average low temperature in December: 8.1°C
The month with the highest average low temperature is August (16.9°C).
The coldest month (with the lowest average low temperature) is February (6.5°C).
Average pressure in December
Bermeo, Spain
- Average pressure in December: 1021.8mbar
The month with the highest atmospheric pressure is December (1021.8mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed in December
Bermeo, Spain
- Average wind speed in December: 16.1km/h
The windiest month (with the highest average wind speed) is February (17.2km/h).
The calmest month (with the lowest average wind speed) is August (9.9km/h).
Average humidity in December
Bermeo, Spain
- Average humidity in December: 75%
The months with the highest relative humidity are May and June (79%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Bermeo, Spain
- Average rainfall in December: 54mm
The wettest month (with the highest rainfall) is November (103mm).
The driest month (with the least rainfall) is September (31mm).
Average rainfall days in December
Bermeo, Spain
- Average rainfall days in December: 16.5 days
The month with the highest number of rainy days is January (18.6 days).
The month with the least rainy days is October (12.7 days).
Average snowfall in December
Bermeo, Spain
- Average snowfall in December: 2mm
The month with the highest snowfall is February (12mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Bermeo, Spain
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is February (1.2 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature in December
Bermeo, Spain
- Average sea temperature in December: 14.3°C
The best month for swimming (with the highest average sea temperature) is August (21.3°C).
The coldest months (with the lowest average sea temperature) are February and March (12.7°C).
Average daylight in December /
Average sunshine in December
Bermeo, 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 24min
The month with the most sunshine is July (Average sunshine: 9h and 30min).
The month with the least sunshine is November (Average sunshine: 5h and 12min).
Average sunshine days in December
Bermeo, Spain
- Average sunshine days in December: 12.2 days
The month with the most sunshine days is October (15.4 days).
The month with the least sunshine days is May (8.8 days).
Average UV index in December
Bermeo, 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
Bermeo, Spain
- Average cloud cover in December: 44
The month with the most cloud cover is January (Cloud cover 51).
The months with the least cloud cover are September and October (Cloud cover 34).
Average visibility in December
Bermeo, Spain
- Average visibility in December: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
