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 coldest month is December, with an average high-temperature of 1.3°C (34.3°F) and an average low-temperature of -2.4°C (27.7°F).Humidity
The average relative humidity in December is 81%.Rainfall
In December, the rain falls for 9.7 days. Throughout December, 35mm (1.38") of precipitation is accumulated. Throughout the year, in Álafoss, there are 166.2 rainfall days, and 416mm (16.38") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Álafoss, Iceland, in December, snow falls for 6.3 days, with typically accumulated 61mm (2.4") of snow. Throughout the year, in Álafoss, Iceland, there are 41.1 snowfall days, and 309mm (12.17") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 4h and 24min of daylight.On the first day of December in Álafoss, sunrise is at 10:46 and sunset at 15:45. On the last day of the month, sunrise is at 11:18 and sunset at 15:41 GMT.
Sunshine
In December, the average sunshine in Álafoss is 2.9h.UV index
The average daily maximum UV index in December in Álafoss is 2. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month in Álafoss?
How cold is it in Álafoss in December?
What is the average humidity in December in Álafoss?
How much does it rain in Álafoss in December?
How many days does it snow in December in Álafoss?
What is the month with the shortest days in Álafoss?
How many hours of daylight does Álafoss have in December?
What time are sunrise and sunset in December in Álafoss?
How long on average sun shines in December in Álafoss?
How high is the UV index in December in Álafoss?
Average temperature in December
Álafoss, Iceland
- Average high temperature in December: 1.3°C
The warmest month (with the highest average high temperature) is July (13.5°C).
The month with the lowest average high temperature is December (1.3°C).
- Average low temperature in December: -2.4°C
The month with the highest average low temperature is July (9.1°C).
The coldest month (with the lowest average low temperature) is December (-2.4°C).
Average pressure in December
Álafoss, Iceland
- Average pressure in December: 998.4mbar
The month with the highest atmospheric pressure is June (1013.8mbar).
The month with the lowest atmospheric pressure is January (996.6mbar).
Average wind speed in December
Álafoss, Iceland
- Average wind speed in December: 23.6km/h
The windiest month (with the highest average wind speed) is February (24.9km/h).
The calmest months (with the lowest average wind speed) are June and July (14.9km/h).
Average humidity in December
Álafoss, Iceland
- Average humidity in December: 81%
The months with the highest relative humidity are January, February and September (82%).
The month with the lowest relative humidity is May (75%).
Average rainfall in December
Álafoss, Iceland
- Average rainfall in December: 35mm
The wettest month (with the highest rainfall) is January (47mm).
The driest months (with the least rainfall) are June and July (25mm).
Average rainfall days in December
Álafoss, Iceland
- Average rainfall days in December: 9.7 days
The month with the highest number of rainy days is September (17.8 days).
The month with the least rainy days is December (9.7 days).
Average snowfall in December
Álafoss, Iceland
- Average snowfall in December: 61mm
The month with the highest snowfall is March (100mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Álafoss, Iceland
- Average snowfall days in December: 6.3 days
The month with the highest number of snowfall days is March (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Álafoss, Iceland
- Average daylight in December: 4h and 2min
The month with the longest days is June (Average daylight: 20h and 54min).
The month with the shortest days is December (Average daylight: 4h and 24min).
- Average sunshine in December: 2h and 5min
The month with the most sunshine is August (Average sunshine: 7h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in December
Álafoss, Iceland
- Average sunshine days in December: 14.1 days
The month with the most sunshine days is December (14.1 days).
The month with the least sunshine days is September (8.8 days).
Average UV index in December
Álafoss, Iceland
- Average UV index in December: 2
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, February and November (UV index 1).
Average cloud cover in December
Álafoss, Iceland
- Average cloud cover in December: 60
The months with the most cloud cover are March and April (Cloud cover 68).
The months with the least cloud cover are August and December (Cloud cover 60).
Average visibility in December
Álafoss, Iceland
- Average visibility in December: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, March, April, May, July, August, September, October, November and December (9km).
