December weather forecastÍllar, Spain

December

Weather in December

The first month of the winter, December, is still a refreshing month in Íllar, Spain, with temperature in the range of an average high of 15.4°C (59.7°F) and an average low of 10.3°C (50.5°F).

Temperature

The average high-temperature is a mild 15.4°C (59.7°F) in December, hardly different from the 17.6°C (63.7°F) recorded in November. In Íllar, the nighttime temperature averages to a cool 10.3°C (50.5°F) during December.

Humidity

December is the most humid month in Íllar, with an average relative humidity of 66%.

Rainfall

The months with the most rainfall are March and December, with an average 13mm (0.51") of precipitation.

Daylight

December has the shortest days of the year, with an average of 9h and 42min of daylight.
On the first day of December in Íllar, sunrise is at 08:05 and sunset at 17:54. On the last day of the month, sunrise is at 08:23 and sunset at 18:03 CET.

Sunshine

December has the least sunshine of the year in Íllar, with an average of 7.4h of sunshine.

UV index

The months with the lowest UV index in Íllar are January through March, November and December, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: In December, a regular UV index of 4 translates into these guidelines:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Experience reduced UV exposure by about half when donning a wide-brim hat.

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

Frequently asked questions

The average high-temperature and low-temperature in Íllar during December are 15.4°C (59.7°F) and 10.3°C (50.5°F) respectively. The average heat index (a.k.a. 'felt air temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in August is evaluated at 31°C (87.8°F).

The most humid month is December, with an average relative humidity of 66%.

In Íllar, the average relative humidity in December is 66%.

The months with the most rainfall in Íllar are March and December, with an average 13mm (0.51") of precipitation.

In December, the rain falls for 4.5 days. Throughout December, 13mm (0.51") of precipitation is accumulated.

December has the shortest days of the year in Íllar, Spain, with an average of 9h and 42min of daylight.

In December, the average day length in Íllar, Spain, is 9h and 41min.

On the first day of December in Íllar, Spain, sunrise is at 08:05 and sunset at 17:54. On the last day of the month, sunrise is at 08:23 and sunset at 18:03 CET.

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

In Íllar, Spain, the average sunshine duration in December is 7.4h.

January through March, November and December, with an average maximum UV index of 4, are months with the lowest UV index in Íllar.

In December, the average daily maximum UV index in Íllar, Spain, is 4. A UV Index estimate of 3 to 5 represents a moderate health threat 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

17.6°C

15.4°C

14.3°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

14.2km/h

13.7km/h

14.3km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

25.7

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Íllar, Spain

Average high temperature in December: 15.4°C

The warmest month (with the highest average high temperature) is August (29.1°C).
The month with the lowest average high temperature is January (14.3°C).

Average low temperature in December: 10.3°C

The month with the highest average low temperature is August (23.6°C).
The coldest month (with the lowest average low temperature) is February (8.9°C).

Average pressure in December
Íllar, Spain

Average pressure in December: 1022.3mbar

The month with the highest atmospheric pressure is December (1022.3mbar).
The months with the lowest atmospheric pressure are April and July (1015.1mbar).

Average wind speed in December
Íllar, Spain

Average wind speed in December: 12.6km/h

The windiest month (with the highest average wind speed) is March (15.6km/h).
The calmest month (with the lowest average wind speed) is October (11.4km/h).

Average humidity in December
Íllar, Spain

Average humidity in December: 66%

The month with the highest relative humidity is December (66%).
The month with the lowest relative humidity is July (54%).

Average rainfall in December
Íllar, Spain

Average rainfall in December: 13mm

The wettest months (with the highest rainfall) are March and December (13mm).
The driest month (with the least rainfall) is July (2mm).

Average rainfall days in December
Íllar, Spain

Average rainfall days in December: 4.5 days

The month with the highest number of rainy days is March (7.7 days).
The month with the least rainy days is August (2.4 days).

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

Average daylight in December: 9h and 42min

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 42min).

Average sunshine in December: 7h and 24min

The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 7h and 24min).

Average sunshine days in December
Íllar, Spain

Average sunshine days in December: 25.7 days

The month with the most sunshine days is July (27.5 days).
The month with the least sunshine days is April (20.9 days).

Average UV index in December
Íllar, Spain

Average UV index in December: 4

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 4).

Average cloud cover in December
Íllar, Spain

Average cloud cover in December: 19

The month with the most cloud cover is April (Cloud cover 21).
The month with the least cloud cover is July (Cloud cover 6).

Average visibility in December
Íllar, 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).