December weather forecastPuerto Castilla, Spain

December

Weather in December

The first month of the winter, December, is also a fresh month in Puerto Castilla, Spain, with an average temperature varying between 12.7°C (54.9°F) and 4.2°C (39.6°F).

Temperature

Puerto Castilla signifies an average high-temperature of a fresh 12.7°C (54.9°F) in December, closely mirroring the 15°C (59°F) of November. An average minimum temperature of 4.2°C (39.6°F) is recorded in Puerto Castilla during the month of December.

Humidity

In December, the average relative humidity in Puerto Castilla is 75%.

Rainfall

In Puerto Castilla, during December, the rain falls for 9.1 days and regularly aggregates up to 59mm (2.32") of precipitation. Throughout the year, in Puerto Castilla, there are 90.5 rainfall days, and 399mm (15.71") of precipitation is accumulated.

Snowfall

In Puerto Castilla, snow does not fall in February through December.

Daylight

December has the shortest days of the year, with an average of 9h and 24min of daylight.
On the first day of the month, sunrise is at 08:26 and sunset at 17:57. On the last day of December, in Puerto Castilla, Spain, sunrise is at 08:45 and sunset at 18:06 CET.

Sunshine

The month with the least sunshine in Puerto Castilla, Spain, is December, with an average of 6.8h of sunshine.

UV index

December is the month with the lowest UV index in Puerto Castilla, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum high daily UV index of 2 during December translates into the following directions:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.

Updated: Jan 30, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In December, in Puerto Castilla, the average high-temperature is 12.7°C (54.9°F), and the average low-temperature is 4.2°C (39.6°F). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines relative humidity and air temperature, in September is computed to be 29°C (84.2°F).

The average relative humidity in December in Puerto Castilla is 75%.

In Puerto Castilla, during December, the rain falls for 9.1 days and regularly aggregates up to 59mm (2.32") of precipitation.

February through December are months without snowfall in Puerto Castilla.

In Puerto Castilla, Spain, in December, it doesn't snow. In January, it regularly snows.

The month with the shortest days is December, with an average of 9h and 24min of daylight.

In December, the average day length is 9h and 22min.

In December, on the first day of the month, sunrise is at 08:26 and sunset at 17:57. On the last day of the month, in Puerto Castilla, Spain, sunrise is at 08:45 and sunset at 18:06 CET.

The month with the least sunshine in Puerto Castilla, Spain, is December, with an average of 6.8h of sunshine.

In December, the average sunshine duration in Puerto Castilla, Spain, is 6.8h.

December is the month with the lowest UV index in Puerto Castilla, Spain, with an average maximum UV index of 2.

The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

15°C

12.7°C

11.5°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

9.9km/h

8.9km/h

9.3km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

18.1

21.1

18.8

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Puerto Castilla, Spain

Average high temperature in December: 12.7°C

The warmest month (with the highest average high temperature) is August (34.1°C).
The month with the lowest average high temperature is January (11.5°C).

Average low temperature in December: 4.2°C

The month with the highest average low temperature is July (18.3°C).
The coldest month (with the lowest average low temperature) is January (2.9°C).

Average pressure in December
Puerto Castilla, Spain

Average pressure in December: 1023.5mbar

The month with the highest atmospheric pressure is December (1023.5mbar).
The month with the lowest atmospheric pressure is April (1015.1mbar).

Average wind speed in December
Puerto Castilla, Spain

Average wind speed in December: 8.2km/h

The windiest month (with the highest average wind speed) is March (10.4km/h).
The calmest months (with the lowest average wind speed) are September and October (7.8km/h).

Average humidity in December
Puerto Castilla, Spain

Average humidity in December: 75%

The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (35%).

Average rainfall in December
Puerto Castilla, Spain

Average rainfall in December: 59mm

The wettest month (with the highest rainfall) is November (60mm).
The driest month (with the least rainfall) is July (3mm).

Average rainfall days in December
Puerto Castilla, Spain

Average rainfall days in December: 9.1 days

The month with the highest number of rainy days is April (11.8 days).
The month with the least rainy days is August (1.8 days).

Average snowfall in December
Puerto Castilla, Spain

Average snowfall in December: 0mm

The month with the highest snowfall is January (2mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in December
Puerto Castilla, Spain

Average snowfall days in December: 0 days

The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).

Average daylight in December /
Average sunshine in December
Puerto Castilla, Spain

Average daylight in December: 9h and 24min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

Average sunshine in December: 6h and 48min

The month with the most sunshine is June (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).

Average sunshine days in December
Puerto Castilla, Spain

Average sunshine days in December: 21.1 days

The month with the most sunshine days is August (28.9 days).
The month with the least sunshine days is April (16.9 days).

Average UV index in December
Puerto Castilla, Spain

Average UV index in December: 2

The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).

Average cloud cover in December
Puerto Castilla, Spain

Average cloud cover in December: 35

The month with the most cloud cover is January (Cloud cover 39).
The months with the least cloud cover are July and August (Cloud cover 7).

Average visibility in December
Puerto Castilla, Spain

Average visibility in December: 9km

The months with the highest visibility are May, June, July, August, September and October (10km).
The month with the lowest visibility is January (8km).