December weather forecastMendaro, Spain
December
Weather in December
December, the first month of the winter in Mendaro, is still a cool month, with an average temperature fluctuating between 7.6°C (45.7°F) and 11.4°C (52.5°F).Temperature
December commences with an average high-temperature of a cool 11.4°C (52.5°F), showing little deviation from November's 13.6°C (56.5°F). Mendaro, during the December nights, maintains an average temperature of 7.6°C (45.7°F), closely aligned with its daytime readings.Humidity
The average relative humidity in December is 77%.Rainfall
In Mendaro, during December, the rain falls for 15.9 days and regularly aggregates up to 61mm (2.4") of precipitation. Throughout the year, in Mendaro, there are 214.2 rainfall days, and 837mm (32.95") of precipitation is accumulated.Snowfall
January through March and December are months with snowfall in Mendaro. December is the first month it typically snows in Mendaro. Throughout December, in the average 0.5 snowfall days, it receives 1mm (0.04") of snow. In Mendaro, during the entire year, snow falls for 2.4 days and aggregates up to 12mm (0.47") of snow.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 08:22 and sunset at 17:35. On the last day of December, sunrise is at 08:41 and sunset at 17:43 CET.
Sunshine
The average sunshine in December in Mendaro is 5.3h.UV index
January through April, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: A daily high UV index of 3 in December leads to these guidelines:
Guard yourself - Avoiding sunburn is suggested. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Boost your sun resistance with garments that are densely woven yet spacious. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Mendaro, Spain
- Average high temperature in December: 11.4°C
The warmest month (with the highest average high temperature) is August (23.1°C).
The month with the lowest average high temperature is January (9.9°C).
- Average low temperature in December: 7.6°C
The month with the highest average low temperature is August (17°C).
The coldest month (with the lowest average low temperature) is February (6.1°C).
Average pressure in December
Mendaro, 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
Mendaro, Spain
- Average wind speed in December: 16.1km/h
The windiest month (with the highest average wind speed) is November (16.8km/h).
The calmest month (with the lowest average wind speed) is August (9.9km/h).
Average humidity in December
Mendaro, Spain
- Average humidity in December: 77%
The month with the highest relative humidity is June (82%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
Mendaro, Spain
- Average rainfall in December: 61mm
The wettest month (with the highest rainfall) is November (121mm).
The driest month (with the least rainfall) is September (44mm).
Average rainfall days in December
Mendaro, Spain
- Average rainfall days in December: 15.9 days
The month with the highest number of rainy days is May (20.7 days).
The month with the least rainy days is October (14.8 days).
Average snowfall in December
Mendaro, Spain
- Average snowfall in December: 1mm
The month with the highest snowfall is February (7mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Mendaro, Spain
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is February (1.1 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Mendaro, Spain
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 5h and 18min
The month with the most sunshine is July (Average sunshine: 9h and 18min).
The month with the least sunshine is November (Average sunshine: 4h and 48min).
Average sunshine days in December
Mendaro, Spain
- Average sunshine days in December: 12.6 days
The month with the most sunshine days is October (13.6 days).
The month with the least sunshine days is May (6.8 days).
Average UV index in December
Mendaro, 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
Mendaro, Spain
- Average cloud cover in December: 46
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is September (Cloud cover 34).
Average visibility in December
Mendaro, Spain
- Average visibility in December: 10km
The months with the highest visibility are February, March, June, July, August, September, October and December (10km).
The months with the lowest visibility are January, April, May and November (9km).





