December weather forecastRoncal, Spain
December
Weather in December
December, the first month of the winter in Roncal, is still a chilly month, with temperature in the range of an average high of 6.5°C (43.7°F) and an average low of -0.3°C (31.5°F).Temperature
On the advent of December, Roncal's average high-temperature exhibits a minor adjustment to a still frosty 6.5°C (43.7°F) from November's 8.5°C (47.3°F). Roncal, in December, observes a steady average low-temperature of -0.3°C (31.5°F).Humidity
In Roncal, Spain, the average relative humidity in December is 79%.Rainfall
In December, the rain falls for 7.8 days. Throughout December, 79mm (3.11") of precipitation is accumulated. In Roncal, during the entire year, the rain falls for 147.8 days and collects up to 943mm (37.13") of precipitation.Snowfall
Months with snowfall in Roncal are January through June, October through December. In Roncal, in December, during 10.1 snowfall days, 405mm (15.94") of snow is typically accumulated. Throughout the year, in Roncal, there are 70.3 snowfall days, and 2833mm (111.54") of snow is accumulated.Daylight
The month with the shortest days in Roncal is December, with an average of 9h and 6min of daylight.On the first day of December, sunrise is at 08:15 and sunset at 17:30. On the last day of the month, sunrise is at 08:34 and sunset at 17:39 CET.
Sunshine
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 in Roncal. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for average individuals.Note: The UV index of 2 in December translates into these instructions:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Roncal, 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
Roncal, 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
Roncal, 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
Roncal, 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
Roncal, 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
Roncal, 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
Roncal, 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
Roncal, 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
Roncal, 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
Roncal, 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
Roncal, 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
Roncal, 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
Roncal, 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).





