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
Weather in December
Temperature
December stands out as Vallanes's coldest month, with temperatures ranging between an average high of -1.2°C (29.8°F) and a low of -6.2°C (20.8°F).Humidity
January, February, November and December, with an average relative humidity of 89%, are the most humid months in Vallanes.Rainfall
The month with the most rainfall is December, when the rain falls for 14.5 days and typically aggregates up to 145mm (5.71") of precipitation.Snowfall
Months with snowfall in Vallanes are January through July, September through December. In Vallanes, during December, snow falls for 17.5 days and regularly aggregates up to 375mm (14.76") of snow. Throughout the year, there are 115.7 snowfall days, and 2085mm (82.09") of snow is accumulated.Daylight
With an average of 3h and 48min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 10:32 and sunset at 15:02. On the last day of December, in Vallanes, Iceland, sunrise is at 11:08 and sunset at 14:54 GMT.
Sunshine
With an average of 1.4h of sunshine, December has the least sunshine of the year.UV index
January through March and December, with an average maximum UV index of 1, are months with the lowest UV index in Vallanes. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: During December, 1 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. To avoid the Sun's strongest rays, limit exposure around the mid-day period. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Frequently asked questions
What part of the year is the coldest in Vallanes?
How cold is it in Vallanes in December?
What are the most humid months in Vallanes?
What is the average humidity in December in Vallanes?
What is the rainiest month in Vallanes?
How much does it rain in Vallanes in December?
How many days does it snow in December in Vallanes?
What is the month with the shortest days in Vallanes?
What is the average length of the day in December in Vallanes?
What time are sunrise and sunset in December in Vallanes?
What is the month with the least sunshine in Vallanes?
How long on average sun shines in December in Vallanes?
When is the lowest UV index in Vallanes?
What is the UV index intensity in December in Vallanes?
Average temperature in December
Vallanes, Iceland
- Average high temperature in December: -1.2°C
The warmest month (with the highest average high temperature) is July (11.8°C).
The month with the lowest average high temperature is December (-1.2°C).
- Average low temperature in December: -6.2°C
The month with the highest average low temperature is July (6.8°C).
The coldest month (with the lowest average low temperature) is December (-6.2°C).
Average pressure in December
Vallanes, Iceland
- Average pressure in December: 999.3mbar
The month with the highest atmospheric pressure is June (1014.4mbar).
The month with the lowest atmospheric pressure is January (998.7mbar).
Average wind speed in December
Vallanes, Iceland
- Average wind speed in December: 18.7km/h
The windiest month (with the highest average wind speed) is December (18.7km/h).
The calmest month (with the lowest average wind speed) is July (11.9km/h).
Average humidity in December
Vallanes, Iceland
- Average humidity in December: 89%
The months with the highest relative humidity are January, February, November and December (89%).
The month with the lowest relative humidity is June (77%).
Average rainfall in December
Vallanes, Iceland
- Average rainfall in December: 145mm
The wettest month (with the highest rainfall) is December (145mm).
The driest month (with the least rainfall) is June (38mm).
Average rainfall days in December
Vallanes, Iceland
- Average rainfall days in December: 14.5 days
The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is March (12.8 days).
Average snowfall in December
Vallanes, Iceland
- Average snowfall in December: 375mm
The month with the highest snowfall is March (430mm).
The month with the least snowfall is August (0mm).
Average snowfall days in December
Vallanes, Iceland
- Average snowfall days in December: 17.5 days
The month with the highest number of snowfall days is March (19.5 days).
The month with the least snowfall days is August (0 days).
Average daylight in December /
Average sunshine in December
Vallanes, Iceland
- Average daylight in December: 3h and 5min
The month with the longest days is June (Average daylight: 21h and 54min).
The month with the shortest days is December (Average daylight: 3h and 48min).
- Average sunshine in December: 1h and 2min
The month with the most sunshine is May (Average sunshine: 7h and 12min).
The month with the least sunshine is December (Average sunshine: 1h and 24min).
Average sunshine days in December
Vallanes, Iceland
- Average sunshine days in December: 3.7 days
The month with the most sunshine days is August (10.3 days).
The month with the least sunshine days is February (3.5 days).
Average UV index in December
Vallanes, Iceland
- Average UV index in December: 1
The month with the highest UV index is June (UV index 3).
The months with the lowest UV index are January, February, March and December (UV index 1).
Average cloud cover in December
Vallanes, Iceland
- Average cloud cover in December: 68
The months with the most cloud cover are February and November (Cloud cover 70).
The month with the least cloud cover is June (Cloud cover 61).
Average visibility in December
Vallanes, Iceland
- Average visibility in December: 7km
The months with the highest visibility are June, July and September (9km).
The months with the lowest visibility are February, March and December (7km).
Vallanes, Iceland
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