December weather forecast
Castropol, Spain

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Weather in December

December, the first month of the winter in Castropol, is still a cool month, with an average temperature varying between 7.1°C (44.8°F) and 12.5°C (54.5°F).

Temperature

As Castropol, Spain, steps into December, the average high-temperature holds at a fresh 12.5°C (54.5°F), hinting at a minor fluctuation from the prior month. Throughout the month of December, the nighttime temperature dips to an average of 7.1°C (44.8°F).

Humidity

The average relative humidity in December in Castropol is 80%.

Rainfall

In Castropol, during December, the rain falls for 15.1 days and regularly aggregates up to 67mm (2.64") of precipitation. Throughout the year, there are 185.8 rainfall days, and 684mm (26.93") of precipitation is accumulated.

Snowfall

In Castropol, snow does not fall in January, March through December.

Sea temperature

In Castropol, in December, the average water temperature is 14.3°C (57.7°F).
Note: Dipping into 14.3°C (57.7°F) below 10°C (50°F) is possible with the right protection; absent that, anticipate cold shock and hampered breathing. Swimming momentarily at 13°C (55.4°F) can be jarring.

Daylight

With an average of 9h and 0min of daylight, December has the shortest days of the year in Castropol, Spain.
On the first day of the month, sunrise is at 08:41 and sunset at 17:52. On the last day of December, sunrise is at 09:01 and sunset at 18:01 CET.

Sunshine

The month with the least sunshine is December, with an average of 5h of sunshine.

UV index

In Castropol, the average daily maximum UV index in December is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index of 3 in December interprets into the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
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Frequently asked questions

What are December temperatures in Castropol?

In Castropol, 12.5°C (54.5°F) is the average high-temperature and 7.1°C (44.8°F) is the average low-temperature during December.

What is the average humidity in December in Castropol?

The average relative humidity in December is 80%.

How much does it rain in Castropol in December?

In Castropol, during December, the rain falls for 15.1 days and regularly aggregates up to 67mm (2.64") of precipitation.

When it does not snow in Castropol?

In Castropol, Spain, snow does not fall in January, March through December.

What is the water temperature in December in Castropol?

In Castropol, in December, the average water temperature is 14.3°C (57.7°F). Swimming in 14.3°C (57.7°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.

What is the month with the shortest days in Castropol?

The month with the shortest days in Castropol, Spain, is December, with an average of 9h and 0min of daylight.

What is the average length of the day in December in Castropol?

The average day length in December in Castropol is 9h and 1min.

What time are sunrise and sunset in December in Castropol?

On the first day of December in Castropol, sunrise is at 08:41 and sunset at 17:52. On the last day of the month, sunrise is at 09:01 and sunset at 18:01 CET.

What is the month with the least sunshine in Castropol?

With an average of 5h of sunshine, December has the least sunshine of the year in Castropol.

How long on average sun shines in December in Castropol?

In Castropol, Spain, the average sunshine duration in December is 5h.

What is the UV index intensity in December in Castropol?

In Castropol, the average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to the Sun's UV radiation.
Average humidity
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
Castropol, Spain

Average temperature in December - Castropol, Spain
  • Average high temperature in December: 12.5°C

The warmest month (with the highest average high temperature) is August (22.4°C).
The month with the lowest average high temperature is January (11.3°C).

  • Average low temperature in December: 7.1°C

The month with the highest average low temperature is August (13.9°C).
The coldest month (with the lowest average low temperature) is February (5.6°C).

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Average pressure in December
Castropol, Spain

Average pressure in December - Castropol, Spain
  • Average pressure in December: 1021.4mbar

The month with the highest atmospheric pressure is December (1021.4mbar).
The month with the lowest atmospheric pressure is April (1015.7mbar).

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Average wind speed in December
Castropol, Spain

Average wind speed in December - Castropol, Spain
  • Average wind speed in December: 13.3km/h

The windiest month (with the highest average wind speed) is February (14.4km/h).
The calmest month (with the lowest average wind speed) is August (9km/h).

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Average humidity in December
Castropol, Spain

Average humidity in December - Castropol, Spain
  • Average humidity in December: 80%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (78%).

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Average rainfall in December
Castropol, Spain

Average rainfall in December - Castropol, Spain
  • Average rainfall in December: 67mm

The wettest month (with the highest rainfall) is November (108mm).
The driest month (with the least rainfall) is September (24mm).

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Average rainfall days in December
Castropol, Spain

Average rainfall days in December - Castropol, Spain
  • Average rainfall days in December: 15.1 days

The month with the highest number of rainy days is January (19.5 days).
The month with the least rainy days is September (11.6 days).

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Average snowfall in December
Castropol, Spain

Average snowfall in December - Castropol, Spain
  • Average snowfall in December: 0mm

The month with the highest snowfall is February (3mm).
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0mm).

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Average snowfall days in December
Castropol, Spain

Average snowfall days in December - Castropol, Spain
  • Average snowfall days in December: 0 days

The month with the highest number of snowfall days is February (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).

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Average sea temperature in December
Castropol, Spain

Average sea temperature in December - Castropol, Spain
  • Average sea temperature in December: 14.3°C

The best month for swimming (with the highest average sea temperature) is August (19.7°C).
The coldest month (with the lowest average sea temperature) is March (12.8°C).

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Average daylight in December /
Average sunshine in December
Castropol, Spain

Average daylight in December / Average sunshine in December - Castropol, Spain
  • Average daylight in December: 9h and 0min

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

  • Average sunshine in December: 5h and 0min

The month with the most sunshine is June (Average sunshine: 9h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

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Average sunshine days in December
Castropol, Spain

Average sunshine days in December - Castropol, Spain
  • Average sunshine days in December: 13.5 days

The month with the most sunshine days is October (14.5 days).
The month with the least sunshine days is November (7.7 days).

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Average UV index in December
Castropol, Spain

Average UV index in December - Castropol, 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 month with the lowest UV index is February (UV index 2).

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Average cloud cover in December
Castropol, Spain

Average cloud cover in December - Castropol, Spain
  • Average cloud cover in December: 45

The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is October (Cloud cover 40).

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Average visibility in December
Castropol, Spain

Average visibility in December - Castropol, Spain
  • Average visibility in December: 9km

The months with the highest visibility are January, February, March, April, October, November and December (9km).
The months with the lowest visibility are May, June, July, August and September (8km).

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Castropol, Spain

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