Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
Temperature
During December, Jaca observes a subtle ascent to a still chilly 6.5°C (43.7°F) from November's 8.5°C (47.3°F) in the average high-temperature. Jaca, during the nights of December, experiences an average temperature drop to a subzero cold -0.3°C (31.5°F).Humidity
The average relative humidity in December in Jaca, Spain, is 79%.Rainfall
In Jaca, during December, the rain falls for 7.8 days and regularly aggregates up to 79mm (3.11") of precipitation. Throughout the year, there are 147.8 rainfall days, and 943mm (37.13") of precipitation is accumulated.Snowfall
January through June, October through December are months with snowfall. In Jaca, in December, during 10.1 snowfall days, 405mm (15.94") of snow is typically accumulated. In Jaca, during the entire year, snow falls for 70.3 days and aggregates up to 2833mm (111.54") of snow.Daylight
The month with the shortest days in Jaca is December, with an average of 9h and 6min of daylight.On the first day of December, sunrise is at 08:12 and sunset at 17:29. On the last day of the month, sunrise is at 08:31 and sunset at 17:38 CET.
Sunshine
In Jaca, the average sunshine in December is 6.2h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 2 during December translates into these guidelines:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold in Jaca during December?
What is the average humidity in December in Jaca?
How much does it rain in Jaca in December?
How many days does it snow in December in Jaca?
What is the month with the shortest days in Jaca?
How many hours of daylight does Jaca have in December?
When are sunrise and sunset in December in Jaca?
How long on average sun shines in December in Jaca?
What are the months with the lowest UV index in Jaca?
What is the UV index reading in December in Jaca?
Average temperature in December
Jaca, Spain
- Average high temperature in December: 6.5°C
The warmest month (with the highest average high temperature) is August (23.7°C).
The month with the lowest average high temperature is January (4.9°C).
- Average low temperature in December: -0.3°C
The month with the highest average low temperature is August (12.2°C).
The coldest month (with the lowest average low temperature) is February (-2.4°C).
Average pressure in December
Jaca, Spain
- Average pressure in December: 1022.1mbar
The month with the highest atmospheric pressure is December (1022.1mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in December
Jaca, Spain
- Average wind speed in December: 9km/h
The windiest month (with the highest average wind speed) is February (9.7km/h).
The calmest month (with the lowest average wind speed) is September (6.8km/h).
Average humidity in December
Jaca, Spain
- Average humidity in December: 79%
The month with the highest relative humidity is November (82%).
The month with the lowest relative humidity is August (66%).
Average rainfall in December
Jaca, Spain
- Average rainfall in December: 79mm
The wettest month (with the highest rainfall) is November (119mm).
The driest month (with the least rainfall) is September (39mm).
Average rainfall days in December
Jaca, Spain
- Average rainfall days in December: 7.8 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (6.4 days).
Average snowfall in December
Jaca, Spain
- Average snowfall in December: 405mm
The month with the highest snowfall is January (709mm).
The months with the least snowfall are July, August and September (0mm).
Average snowfall days in December
Jaca, Spain
- Average snowfall days in December: 10.1 days
The month with the highest number of snowfall days is January (14.7 days).
The months with the least snowfall days are July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Jaca, Spain
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 6h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is November (Average sunshine: 5h and 54min).
Average sunshine days in December
Jaca, Spain
- Average sunshine days in December: 16.6 days
The month with the most sunshine days is October (17.7 days).
The month with the least sunshine days is April (9.1 days).
Average UV index in December
Jaca, Spain
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Jaca, Spain
- Average cloud cover in December: 35
The month with the most cloud cover is January (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in December
Jaca, Spain
- Average visibility in December: 9km
The months with the highest visibility are July and August (10km).
The months with the lowest visibility are January and November (8km).
