December weather forecastGelsa, Spain

December

Weather in December

The first month of the winter, December, is still a cool month in Gelsa, Spain, with an average temperature fluctuating between 11.2°C (52.2°F) and 4.2°C (39.6°F).

Temperature

The onset of December aligns with a soft reduction in the average high-temperature, gently falling from a mild 14.2°C (57.6°F) in November to a fresh 11.2°C (52.2°F). The month of December records an average low-temperature of 4.2°C (39.6°F) in Gelsa.

Humidity

January and December, with an average relative humidity of 72%, are the most humid months.

Rainfall

December is the month with the least rainfall in Gelsa. Rain falls for 4.2 days and accumulates 7mm (0.28") of precipitation.

Snowfall

March through December are months without snowfall.

Daylight

December has the shortest days of the year, with an average of 9h and 12min of daylight.
On the first day of December, sunrise is at 08:08 and sunset at 17:33. On the last day of the month, sunrise is at 08:27 and sunset at 17:42 CET.

Sunshine

In December, the average sunshine in Gelsa is 6.8h.

UV index

The months with the lowest UV index in Gelsa, Spain, are January through March, November and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: In December, the maximum UV index of 3 transforms into these recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.

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

Frequently asked questions

In Gelsa, in December, the average high-temperature is 11.2°C (52.2°F), and the average low-temperature is 4.2°C (39.6°F). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines relative humidity and air temperature, in August is evaluated at 33°C (91.4°F).

The months with the highest humidity in Gelsa are January and December, with an average relative humidity of 72%.

In December, the average relative humidity in Gelsa is 72%.

December is the month with the least rainfall in Gelsa. Rain falls for 4.2 days and accumulates 7mm (0.28") of precipitation.

In Gelsa, Spain, in December, it is raining for 4.2 days, with typically 7mm (0.28") of accumulated precipitation.

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

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

The month with the shortest days in Gelsa, Spain, is December, with an average of 9h and 12min of daylight.

In December, the average day length is 9h and 14min.

In December, on the first day of the month, sunrise is at 08:08 and sunset at 17:33. On the last day of the month, sunrise is at 08:27 and sunset at 17:42 CET.

The average sunshine duration in December is 6.8h.

The months with the lowest UV index in Gelsa are January through March, November and December, with an average maximum UV index of 3.

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

Today

Tomorrow

Long-term

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

Nov

December

Jan

Average high temperature

14.2°C

11.2°C

10.5°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

17.2km/h

15.1km/h

18.1km/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

22.6

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Gelsa, Spain

Average high temperature in December: 11.2°C

The warmest month (with the highest average high temperature) is July (31.3°C).
The month with the lowest average high temperature is January (10.5°C).

Average low temperature in December: 4.2°C

The months with the highest average low temperature are July and August (18.7°C).
The coldest month (with the lowest average low temperature) is February (3.4°C).

Average pressure in December
Gelsa, Spain

Average pressure in December: 1022.3mbar

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

Average wind speed in December
Gelsa, Spain

Average wind speed in December: 13.7km/h

The windiest month (with the highest average wind speed) is February (18.5km/h).
The calmest month (with the lowest average wind speed) is September (13km/h).

Average humidity in December
Gelsa, Spain

Average humidity in December: 72%

The months with the highest relative humidity are January and December (72%).
The months with the lowest relative humidity are July and August (50%).

Average rainfall in December
Gelsa, Spain

Average rainfall in December: 7mm

The wettest month (with the highest rainfall) is April (32mm).
The driest month (with the least rainfall) is December (7mm).

Average rainfall days in December
Gelsa, Spain

Average rainfall days in December: 4.2 days

The month with the highest number of rainy days is April (11.8 days).
The month with the least rainy days is December (4.2 days).

Average snowfall in December
Gelsa, Spain

Average snowfall in December: 0mm

The month with the highest snowfall is February (2mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in December
Gelsa, Spain

Average snowfall days in December: 0.2 days

The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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

Average daylight in December: 9h and 12min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

Average sunshine in December: 6h and 48min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is November (Average sunshine: 6h and 24min).

Average sunshine days in December
Gelsa, Spain

Average sunshine days in December: 26.1 days

The month with the most sunshine days is December (26.1 days).
The month with the least sunshine days is April (16.9 days).

Average UV index in December
Gelsa, Spain

Average UV index in December: 3

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 3).

Average cloud cover in December
Gelsa, Spain

Average cloud cover in December: 25

The months with the most cloud cover are January and April (Cloud cover 32).
The months with the least cloud cover are July and August (Cloud cover 12).

Average visibility in December
Gelsa, 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).