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
The arrival of December records an average high-temperature of a frosty 8.9°C (48°F), closely related to the 11.5°C (52.7°F) observed in November. Throughout December, an average low-temperature of 2.5°C (36.5°F) is experienced.Humidity
The average relative humidity in December in Roncesvalles is 82%.Rainfall
In Roncesvalles, in December, during 12.7 rainfall days, 40mm (1.57") of precipitation is typically accumulated. Throughout the year, there are 186.8 rainfall days, and 630mm (24.8") of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Roncesvalles. In December, it is snowing for 1.1 days. Throughout December, 20mm (0.79") of snow is accumulated. In Roncesvalles, during the entire year, snow falls for 8.6 days and aggregates up to 109mm (4.29") of snow.Daylight
The month with the shortest days in Roncesvalles is December, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 08:17 and sunset at 17:31. On the last day of December, sunrise is at 08:36 and sunset at 17:40 CET.
Sunshine
The average sunshine in December in Roncesvalles is 5.6h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Roncesvalles. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: During December, 2 as the daily maximum UV index converts into the following advice:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield 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. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Roncesvalles in December?
What is the average humidity in December in Roncesvalles?
How much does it rain in Roncesvalles in December?
How much does it snow in Roncesvalles in December?
What is the month with the shortest days in Roncesvalles?
What is the average length of the day in December in Roncesvalles?
When is the sunrise / sunset in December in Roncesvalles?
How many hours of sunshine does Roncesvalles have in December?
When is the lowest UV index in Roncesvalles?
What is the UV index reading in December in Roncesvalles?
Average temperature in December
Roncesvalles, Spain
- Average high temperature in December: 8.9°C
The warmest month (with the highest average high temperature) is August (26.3°C).
The month with the lowest average high temperature is January (7.9°C).
- Average low temperature in December: 2.5°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is February (1.5°C).
Average pressure in December
Roncesvalles, Spain
- Average pressure in December: 1022.2mbar
The month with the highest atmospheric pressure is December (1022.2mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).
Average wind speed in December
Roncesvalles, Spain
- Average wind speed in December: 10.8km/h
The windiest month (with the highest average wind speed) is February (13.1km/h).
The calmest month (with the lowest average wind speed) is September (9.4km/h).
Average humidity in December
Roncesvalles, Spain
- Average humidity in December: 82%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (70%).
Average rainfall in December
Roncesvalles, Spain
- Average rainfall in December: 40mm
The wettest month (with the highest rainfall) is November (75mm).
The driest month (with the least rainfall) is September (32mm).
Average rainfall days in December
Roncesvalles, Spain
- Average rainfall days in December: 12.7 days
The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is October (12.2 days).
Average snowfall in December
Roncesvalles, Spain
- Average snowfall in December: 20mm
The month with the highest snowfall is February (44mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Roncesvalles, Spain
- Average snowfall days in December: 1.1 days
The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Roncesvalles, 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: 5h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is November (Average sunshine: 5h and 6min).
Average sunshine days in December
Roncesvalles, Spain
- Average sunshine days in December: 15 days
The month with the most sunshine days is October (15.5 days).
The month with the least sunshine days is May (8.1 days).
Average UV index in December
Roncesvalles, Spain
- Average UV index in December: 2
The months with the highest UV index are June, July, August and September (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Roncesvalles, Spain
- Average cloud cover in December: 42
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in December
Roncesvalles, Spain
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
