December weather forecastCastalla, Spain

December

Weather in December

December, the first month of the winter in Castalla, is still a mild month, with an average temperature varying between 13.4°C (56.1°F) and 6°C (42.8°F).

Temperature

Castalla's weather in December indicates an average high-temperature of a moderate 13.4°C (56.1°F), nearly consistent with the 16.1°C (61°F) of November. Throughout December, Castalla experiences a low-temperature average of 6°C (42.8°F).

Humidity

The most humid month in Castalla is December, with an average relative humidity of 70%.

Rainfall

In December, in Castalla, the rain falls for 5.7 days. Throughout December, 22mm (0.87") of precipitation is accumulated. Throughout the year, there are 99.3 rainfall days, and 317mm (12.48") of precipitation is accumulated.

Snowfall

In Castalla, snow does not fall in March through December.

Daylight

With an average of 9h and 30min of daylight, December has the shortest days of the year in Castalla.
On the first day of the month, sunrise is at 08:01 and sunset at 17:41. On the last day of December, in Castalla, Spain, sunrise is at 08:20 and sunset at 17:51 CET.

Sunshine

The months with the least sunshine are November and December, with an average of 6.7h of sunshine.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum daily UV index of 3 in December interprets into the following recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Take note! UV radiation from the Sun can double in intensity due to snow reflection.

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

Frequently asked questions

The high-temperature during December is 13.4°C (56.1°F) and the low-temperature is 6°C (42.8°F). In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, is appraised at 32°C (89.6°F).

December is the most humid month in Castalla, with an average relative humidity of 70%.

In Castalla, the average relative humidity in December is 70%.

In December, the rain falls for 5.7 days. Throughout December, 22mm (0.87") of precipitation is accumulated.

March through December are months without snowfall in Castalla, Spain.

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

The month with the shortest days in Castalla, Spain, is December, with an average of 9h and 30min of daylight.

In Castalla, the average day length in December is 9h and 32min.

On the first day of December in Castalla, sunrise is at 08:01 and sunset at 17:41. On the last day of the month, sunrise is at 08:20 and sunset at 17:51 CET.

The months with the least sunshine in Castalla, Spain, are November and December, with an average of 6.7h of sunshine.

In Castalla, Spain, the average sunshine duration in December is 6.7h.

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

In December, the average daily maximum UV index in Castalla, Spain, is 3. A UV Index of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

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

Nov

December

Jan

Average high temperature

16.1°C

13.4°C

12.7°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

15.1km/h

13km/h

15.5km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

19.5

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Castalla, Spain

Average high temperature in December: 13.4°C

The warmest month (with the highest average high temperature) is July (30.5°C).
The month with the lowest average high temperature is January (12.7°C).

Average low temperature in December: 6°C

The month with the highest average low temperature is August (21.2°C).
The coldest months (with the lowest average low temperature) are January and February (5.1°C).

Average pressure in December
Castalla, Spain

Average pressure in December: 1022mbar

The month with the highest atmospheric pressure is December (1022mbar).
The month with the lowest atmospheric pressure is April (1014.8mbar).

Average wind speed in December
Castalla, Spain

Average wind speed in December: 11.7km/h

The windiest month (with the highest average wind speed) is February (14.3km/h).
The calmest month (with the lowest average wind speed) is October (8.5km/h).

Average humidity in December
Castalla, Spain

Average humidity in December: 70%

The month with the highest relative humidity is December (70%).
The month with the lowest relative humidity is June (52%).

Average rainfall in December
Castalla, Spain

Average rainfall in December: 22mm

The wettest month (with the highest rainfall) is March (45mm).
The driest month (with the least rainfall) is July (9mm).

Average rainfall days in December
Castalla, Spain

Average rainfall days in December: 5.7 days

The month with the highest number of rainy days is April (12.1 days).
The month with the least rainy days is July (5.6 days).

Average snowfall in December
Castalla, Spain

Average snowfall in December: 0mm

The month with the highest snowfall is February (5mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in December
Castalla, Spain

Average snowfall days in December: 0.1 days

The month with the highest number of snowfall days is January (0.4 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

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

Average daylight in December: 9h and 30min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

Average sunshine in December: 6h and 42min

The month with the most sunshine is June (Average sunshine: 11h and 54min).
The months with the least sunshine are November and December (Average sunshine: 6h and 42min).

Average sunshine days in December
Castalla, Spain

Average sunshine days in December: 24 days

The month with the most sunshine days is December (24 days).
The month with the least sunshine days is April (15.2 days).

Average UV index in December
Castalla, Spain

Average UV index in December: 3

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

Average cloud cover in December
Castalla, Spain

Average cloud cover in December: 26

The months with the most cloud cover are March and April (Cloud cover 31).
The month with the least cloud cover is July (Cloud cover 12).

Average visibility in December
Castalla, Spain

Average visibility in December: 10km

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