December weather forecastZumaia, Spain

December

Weather in December

The first month of the winter, December, is still a cool month in Zumaia, Spain, with temperature in the range of an average high of 11.4°C (52.5°F) and an average low of 7.6°C (45.7°F).

Temperature

The onset of December notes an average high-temperature of a cool 11.4°C (52.5°F), subtly shifted from November's 13.6°C (56.5°F). Zumaia, during the December nights, maintains an average temperature of 7.6°C (45.7°F), closely aligned with its daytime readings.

Humidity

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

Rainfall

In Zumaia, in December, it is raining for 15.9 days, with typically 61mm (2.4") of accumulated precipitation. In Zumaia, Spain, during the entire year, the rain falls for 214.2 days and collects up to 837mm (32.95") of precipitation.

Snowfall

January through March and December are months with snowfall. December is the first month it typically snows in Zumaia, Spain. Throughout December, in the average 0.5 snowfall days, it receives 1mm (0.04") of snow. In Zumaia, during the entire year, snow falls for 2.4 days and aggregates up to 12mm (0.47") of snow.

Sea temperature

In Zumaia, in December, the average water temperature is 14.3°C (57.7°F).
Note: While a brief time in 14.3°C (57.7°F) at 13°C (55.4°F) is already bracing, plunging below 10°C (50°F) can severely affect breathing and introduce a cold shock, relying on your physical state.

Daylight

With an average of 9h and 0min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 08:21 and sunset at 17:34. On the last day of the month, sunrise is at 08:41 and sunset at 17:43 CET.

Sunshine

In Zumaia, the average sunshine in December is 5.3h.

UV index

The months with the lowest UV index are January through April, November and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The daily high UV index of 3 during December translates into the following recommendations:
Take necessary precautions - Defending against sun damage is advocated. Around midday, solar radiation is most harmful; hence, exposure should be limited. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

Frequently asked questions

Zumaia in December has an average high-temperature of 11.4°C (52.5°F) and an average low-temperature of 7.6°C (45.7°F).

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

In Zumaia, Spain, in December, it is raining for 15.9 days, with typically 61mm (2.4") of accumulated 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.

In Zumaia, the average seawater temperature in December is 14.3°C (57.7°F). At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

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

In Zumaia, Spain, the average day length in December is 9h and 2min.

In December, on the first day of the month, sunrise is at 08:21 and sunset at 17:34. On the last day of the month, in Zumaia, sunrise is at 08:41 and sunset at 17:43 CET.

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

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

In Zumaia, the average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's 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 sea temperature
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Zumaia, 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
Zumaia, 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
Zumaia, 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
Zumaia, 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
Zumaia, 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
Zumaia, 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
Zumaia, 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
Zumaia, 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 sea temperature in December
Zumaia, 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 month (with the lowest average sea temperature) is February (12.4°C).

Average daylight in December /
Average sunshine in December
Zumaia, 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
Zumaia, 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
Zumaia, 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
Zumaia, 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
Zumaia, 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).