December weather forecastCastro del Río, Spain

December

Weather in December

The first month of the winter, December, is still a refreshing month in Castro del Río, Spain, with an average temperature ranging between max 14.8°C (58.6°F) and min 6.5°C (43.7°F).

Temperature

Transitioning from November to December, Castro del Río observes an average high-temperature of a still refreshing 14.8°C (58.6°F), differing subtly from the previous month. Throughout December, Castro del Río experiences a low-temperature average of 6.5°C (43.7°F).

Humidity

In December, the average relative humidity in Castro del Río is 73%.

Rainfall

In December, in Castro del Río, the rain falls for 7.4 days. Throughout December, 36mm (1.42") of precipitation is accumulated. In Castro del Río, during the entire year, the rain falls for 81.8 days and collects up to 263mm (10.35") of precipitation.

Daylight

December has the shortest days of the year, with an average of 9h and 36min of daylight.
On the first day of December in Castro del Río, sunrise is at 08:14 and sunset at 17:59. On the last day of the month, sunrise is at 08:32 and sunset at 18:09 CET.

Sunshine

With an average of 7.4h of sunshine, December has the least sunshine of the year.

UV index

The months with the lowest UV index in Castro del Río, Spain, are January, February, November and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: During December, 3 as the daily maximum UV index converts into the following advice:
Make use of precautions - It is urged to ward off sun damage. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.

Frequently asked questions

In December, the average high-temperature and low-temperature in Castro del Río are 14.8°C (58.6°F) and 6.5°C (43.7°F) respectively. The average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in September is computed to be 31°C (87.8°F).

The average relative humidity in December in Castro del Río, Spain, is 73%.

In Castro del Río, Spain, during December, the rain falls for 7.4 days and regularly aggregates up to 36mm (1.42") of precipitation.

The month with the shortest days in Castro del Río, Spain, is December, with an average of 9h and 36min of daylight.

In December, the average day length is 9h and 37min.

In December, on the first day of the month, sunrise is at 08:14 and sunset at 17:59. On the last day of the month, in Castro del Río, Spain, sunrise is at 08:32 and sunset at 18:09 CET.

With an average of 7.4h of sunshine, December has the least sunshine of the year.

The average sunshine duration in December is 7.4h.

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

In December, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.
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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Castro del Río, Spain

  • Average high temperature in December: 14.8°C

The warmest month (with the highest average high temperature) is August (36.2°C).
The month with the lowest average high temperature is January (13.3°C).

  • Average low temperature in December: 6.5°C

The month with the highest average low temperature is August (21.2°C).
The coldest month (with the lowest average low temperature) is January (4.7°C).

Average pressure in December
Castro del Río, Spain

  • Average pressure in December: 1023mbar

The month with the highest atmospheric pressure is December (1023mbar).
The month with the lowest atmospheric pressure is July (1015mbar).

Average wind speed in December
Castro del Río, Spain

  • Average wind speed in December: 8.6km/h

The windiest month (with the highest average wind speed) is February (10.3km/h).
The calmest months (with the lowest average wind speed) are September and October (7.3km/h).

Average humidity in December
Castro del Río, Spain

  • Average humidity in December: 73%

The month with the highest relative humidity is January (76%).
The months with the lowest relative humidity are July and August (35%).

Average rainfall in December
Castro del Río, Spain

  • Average rainfall in December: 36mm

The wettest month (with the highest rainfall) is March (41mm).
The driest month (with the least rainfall) is July (2mm).

Average rainfall days in December
Castro del Río, Spain

  • Average rainfall days in December: 7.4 days

The month with the highest number of rainy days is March (12.1 days).
The month with the least rainy days is July (1.8 days).

Average daylight in December /
Average sunshine in December
Castro del Río, Spain

  • Average daylight in December: 9h and 36min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in December: 7h and 24min

The month with the most sunshine is June (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 7h and 24min).

Average sunshine days in December
Castro del Río, Spain

  • Average sunshine days in December: 22.4 days

The month with the most sunshine days is July (28.9 days).
The month with the least sunshine days is April (16.3 days).

Average UV index in December
Castro del Río, Spain

  • Average UV index in December: 3

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).

Average cloud cover in December
Castro del Río, Spain

  • Average cloud cover in December: 30

The month with the most cloud cover is January (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 5).

Average visibility in December
Castro del Río, Spain

  • Average visibility in December: 10km

The months with the highest visibility are February, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, March and April (9km).