December weather forecastDeba, Spain

December

Weather in December

The first month of the winter, December, is still a cool month in Deba, 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

On the advent of December, Deba's average high-temperature exhibits a minor adjustment to a fresh 11.4°C (52.5°F) from November's 13.6°C (56.5°F). Deba notes an average temperature descent to a frosty 7.6°C (45.7°F) in December, a small shift from its daytime peak.

Humidity

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

Rainfall

In Deba, in December, during 15.9 rainfall days, 61mm (2.4") of precipitation is typically accumulated. In Deba, 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. Throughout December, in the average 0.5 snowfall days, it receives 1mm (0.04") of snow. Throughout the year, in Deba, there are 2.4 snowfall days, and 12mm (0.47") of snow is accumulated.

Sea temperature

In Deba, the average seawater temperature in December is 14.3°C (57.7°F).
Note: Swimming in 14.3°C (57.7°F) is deemed hazardous. Exposure to temperatures below 10°C (50°F) leads to immediate severe cold shock and hyperventilation.

Daylight

With an average of 9h and 0min of daylight, December has the shortest days of the year in Deba.
On the first day of December, sunrise is at 08:22 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 Deba, the average sunshine in December 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 in Deba. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum UV index, 3 during December, leads to the following recommendations:
Make use of precautions - It is urged to ward off sun damage. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.

Frequently asked questions

During December, Deba experiences an average high-temperature of 11.4°C (52.5°F) and a low-temperature of 7.6°C (45.7°F).

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

In Deba, Spain, in December, during 15.9 rainfall days, 61mm (2.4") of precipitation is typically accumulated.

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

In Deba, in December, the average water temperature is 14.3°C (57.7°F). Swimming in 14.3°C (57.7°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

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

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

On the first day of December, sunrise is at 08:22 and sunset at 17:34. On the last day of the month, sunrise is at 08:41 and sunset at 17:43 CET.

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

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

In Deba, the average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability 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
Deba, 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
Deba, 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
Deba, 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
Deba, 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
Deba, 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
Deba, 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
Deba, 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
Deba, 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
Deba, 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
Deba, 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
Deba, 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
Deba, 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
Deba, 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
Deba, 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).