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.

Frequently asked questions

The high-temperature, in December, in Mendaro, records 11.4°C (52.5°F), while the low-temperature is 7.6°C (45.7°F).

In Mendaro, the average relative humidity in December is 77%.

In Mendaro, Spain, during December, the rain falls for 15.9 days and regularly aggregates up to 61mm (2.4") of precipitation.

December is the first month it typically snows. Throughout December, in the average 0.5 snowfall days, it receives 1mm (0.04") of snow.

With an average of 9h and 0min of daylight, December has the shortest days of the year in Mendaro, Spain.

The average day length in December in Mendaro, Spain, is 9h and 2min.

On the first day of December in Mendaro, sunrise is at 08:22 and sunset at 17:35. On the last day of the month, sunrise is at 08:41 and sunset at 17:43 CET.

In Mendaro, Spain, the average sunshine duration in December is 5.3h.

The months with the lowest UV index in Mendaro are January through April, November and December, with an average maximum UV index of 3.

In Mendaro, the average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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).