December weather forecastCastiello de Jaca, Spain
December
Weather in December
The first month of the winter, December, is also a frosty month in Castiello de Jaca, Spain, with an average temperature varying between 6.5°C (43.7°F) and -0.3°C (31.5°F).Temperature
Castiello de Jaca experiences a recorded average high-temperature of a still frosty 6.5°C (43.7°F) in December, closely aligned with November's 8.5°C (47.3°F). In Castiello de Jaca, in December, the average low-temperature is a freezing cold -0.3°C (31.5°F).Humidity
The average relative humidity in December is 79%.Rainfall
In Castiello de Jaca, in December, it is raining for 7.8 days, with typically 79mm (3.11") of accumulated precipitation. Throughout the year, in Castiello de Jaca, Spain, there are 147.8 rainfall days, and 943mm (37.13") of precipitation is accumulated.Snowfall
Months with snowfall are January through June, October through December. In Castiello de Jaca, in December, during 10.1 snowfall days, 405mm (15.94") of snow is typically accumulated. In Castiello de 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 is December, with an average of 9h and 6min of daylight.On the first day of December in Castiello de Jaca, sunrise is at 08:12 and sunset at 17:29. On the last day of the month, sunrise is at 08:32 and sunset at 17:38 CET.
Sunshine
The average sunshine in December is 6.2h.UV index
The months with the lowest UV index in Castiello de Jaca are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, a daily UV index of 2 turns into the following recommendations:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Castiello de 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
Castiello de 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
Castiello de 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
Castiello de 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
Castiello de 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
Castiello de 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
Castiello de 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
Castiello de 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
Castiello de Jaca, Spain
- Average daylight in December: 9h and 6min
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 12min
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
Castiello de 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
Castiello de 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
Castiello de 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
Castiello de 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).
