December weather forecastCalles, Spain

December

Weather in December

December, the first month of the winter in Calles, is also a moderate month, with an average temperature varying between 8.5°C (47.3°F) and 15.6°C (60.1°F).

Temperature

The beginning of December subtly marks a decrease in the average high-temperature, transitioning from a comfortable 18.6°C (65.5°F) in November to a moderate 15.6°C (60.1°F). Calles, during the nights of December, experiences an average temperature drop to a chilly 8.5°C (47.3°F).

Humidity

The average relative humidity in December is 64%.

Rainfall

In Calles, during December, the rain falls for 4 days and regularly aggregates up to 16mm (0.63") of precipitation. Throughout the year, there are 66.4 rainfall days, and 200mm (7.87") of precipitation is accumulated.

Snowfall

In Calles, snow does not fall in February through December.

Daylight

December has the shortest days of the year in Calles, with an average of 9h and 24min of daylight.
On the first day of the month, sunrise is at 08:06 and sunset at 17:40. On the last day of December, in Calles, sunrise is at 08:24 and sunset at 17:49 CET.

Sunshine

In Calles, Spain, the average sunshine in December is 6.8h.

UV index

With an average maximum UV index of 3, December is the month with the lowest UV index. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: An average UV index of 3 in December transforms into this advice:
Make use of precautions - It is urged to ward off sun damage. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.

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

Frequently asked questions

The average high-temperature, in December, in Calles, is 15.6°C (60.1°F), while the average low-temperature is 8.5°C (47.3°F). In September, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is estimated at 29°C (84.2°F).

In December, the average relative humidity in Calles is 64%.

In Calles, in December, it is raining for 4 days, with typically 16mm (0.63") of accumulated precipitation.

In Calles, Spain, snow does not fall in February through December.

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

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

In December, the average day length is 9h and 25min.

In December, on the first day of the month, sunrise is at 08:06 and sunset at 17:40. On the last day of the month, in Calles, Spain, sunrise is at 08:24 and sunset at 17:49 CET.

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

December is the month with the lowest UV index, with an average maximum UV index of 3.

In December, the average daily maximum UV index in Calles, Spain, is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from 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

18.6°C

15.6°C

15°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

15.1km/h

13.6km/h

15.8km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

26.1

26.6

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Calles, Spain

Average high temperature in December: 15.6°C

The warmest month (with the highest average high temperature) is August (30.6°C).
The month with the lowest average high temperature is January (15°C).

Average low temperature in December: 8.5°C

The month with the highest average low temperature is August (22.3°C).
The coldest months (with the lowest average low temperature) are January and February (7.4°C).

Average pressure in December
Calles, Spain

Average pressure in December: 1021.9mbar

The month with the highest atmospheric pressure is December (1021.9mbar).
The month with the lowest atmospheric pressure is April (1014.8mbar).

Average wind speed in December
Calles, Spain

Average wind speed in December: 12.4km/h

The windiest month (with the highest average wind speed) is January (14.6km/h).
The calmest month (with the lowest average wind speed) is October (9.8km/h).

Average humidity in December
Calles, Spain

Average humidity in December: 64%

The month with the highest relative humidity is October (65%).
The month with the lowest relative humidity is June (58%).

Average rainfall in December
Calles, Spain

Average rainfall in December: 16mm

The wettest month (with the highest rainfall) is March (30mm).
The driest month (with the least rainfall) is February (5mm).

Average rainfall days in December
Calles, Spain

Average rainfall days in December: 4 days

The month with the highest number of rainy days is April (7.7 days).
The months with the least rainy days are January and June (3.8 days).

Average snowfall in December
Calles, Spain

Average snowfall in December: 0mm

The month with the highest snowfall is January (1mm).
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
Calles, Spain

Average snowfall days in December: 0 days

The month with the highest number of snowfall days is January (0.1 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
Calles, Spain

Average daylight in December: 9h and 24min

The month with the longest days is June (Average daylight: 14h and 54min).
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 54min).
The month with the least sunshine is November (Average sunshine: 6h and 42min).

Average sunshine days in December
Calles, Spain

Average sunshine days in December: 26.1 days

The month with the most sunshine days is January (26.6 days).
The months with the least sunshine days are April and September (20.9 days).

Average UV index in December
Calles, Spain

Average UV index in December: 3

The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 3).

Average cloud cover in December
Calles, Spain

Average cloud cover in December: 23

The month with the most cloud cover is April (Cloud cover 28).
The month with the least cloud cover is June (Cloud cover 13).

Average visibility in December
Calles, 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).