December weather forecastHólar, Iceland
December
Weather in December
December, the first month of the winter in Hólar, is also a subzero cold month, with an average temperature fluctuating between -4.7°C (23.5°F) and -1.3°C (29.7°F).Temperature
In Hólar, December is the month with the lowest recorded average temperatures, measuring a high of -1.3°C (29.7°F) and a low of -4.7°C (23.5°F).Humidity
In December, the average relative humidity is 84%.Rainfall
In Hólar, during December, the rain falls for 9.4 days and regularly aggregates up to 70mm (2.76") of precipitation. In Hólar, during the entire year, the rain falls for 164 days and collects up to 605mm (23.82") of precipitation.Snowfall
January through December are months with snowfall in Hólar. In Hólar, Iceland, in December, snow falls for 15 days, with typically accumulated 200mm (7.87") of snow. Throughout the year, there are 100.6 snowfall days, and 1112mm (43.78") of snow is accumulated.Daylight
With an average of 3h and 24min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 11:00 and sunset at 15:11. On the last day of the month, sunrise is at 11:38 and sunset at 15:01 GMT.
Sunshine
In Hólar, the average sunshine in December is 1.8h.UV index
In Hólar, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: A daily high UV index of 2 in December leads to these guidelines:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Opt for tightly woven and loose clothing to enhance protection from the Sun. 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
Hólar, Iceland
- Average high temperature in December: -1.3°C
The warmest month (with the highest average high temperature) is July (11.6°C).
The month with the lowest average high temperature is December (-1.3°C).
- Average low temperature in December: -4.7°C
The month with the highest average low temperature is July (6.9°C).
The coldest month (with the lowest average low temperature) is December (-4.7°C).
Average pressure in December
Hólar, Iceland
- Average pressure in December: 1000mbar
The month with the highest atmospheric pressure is June (1014.4mbar).
The month with the lowest atmospheric pressure is January (998.3mbar).
Average wind speed in December
Hólar, Iceland
- Average wind speed in December: 20.3km/h
The windiest month (with the highest average wind speed) is December (20.3km/h).
The calmest month (with the lowest average wind speed) is July (11.7km/h).
Average humidity in December
Hólar, Iceland
- Average humidity in December: 84%
The months with the highest relative humidity are January, February and March (85%).
The month with the lowest relative humidity is June (74%).
Average rainfall in December
Hólar, Iceland
- Average rainfall in December: 70mm
The wettest month (with the highest rainfall) is September (76mm).
The driest month (with the least rainfall) is June (23mm).
Average rainfall days in December
Hólar, Iceland
- Average rainfall days in December: 9.4 days
The month with the highest number of rainy days is September (19.3 days).
The month with the least rainy days is February (9.3 days).
Average snowfall in December
Hólar, Iceland
- Average snowfall in December: 200mm
The month with the highest snowfall is January (213mm).
The month with the least snowfall is July (1mm).
Average snowfall days in December
Hólar, Iceland
- Average snowfall days in December: 15 days
The month with the highest number of snowfall days is March (16.3 days).
The month with the least snowfall days is July (0.1 days).
Average daylight in December /
Average sunshine in December
Hólar, Iceland
- Average daylight in December: 3h and 24min
The month with the longest days is July (Average daylight: 20h and 36min).
The month with the shortest days is December (Average daylight: 3h and 24min).
- Average sunshine in December: 1h and 48min
The month with the most sunshine is May (Average sunshine: 8h and 54min).
The month with the least sunshine is June (Average sunshine: 0h and 36min).
Average sunshine days in December
Hólar, Iceland
- Average sunshine days in December: 7.7 days
The month with the most sunshine days is June (13.4 days).
The month with the least sunshine days is September (7 days).
Average UV index in December
Hólar, Iceland
- Average UV index in December: 2
The months with the highest UV index are May, June and July (UV index 3).
The months with the lowest UV index are March, October and November (UV index 1).
Average cloud cover in December
Hólar, Iceland
- Average cloud cover in December: 62
The month with the most cloud cover is March (Cloud cover 64).
The month with the least cloud cover is June (Cloud cover 51).
Average visibility in December
Hólar, Iceland
- Average visibility in December: 8km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, March and December (8km).





