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
Hafnir experiences the lowest of its temperatures in February, March and December, when the average high-temperatures rise to 4.2°C (39.6°F).Humidity
December is the least humid month, with an average relative humidity of 74%.Rainfall
In Hafnir, in December, during 13.4 rainfall days, 69mm (2.72") of precipitation is typically accumulated. In Hafnir, during the entire year, the rain falls for 193.9 days and collects up to 833mm (32.8") of precipitation.Snowfall
January through May, October through December are months with snowfall. In Hafnir, in December, during 5.5 snowfall days, 52mm (2.05") of snow is typically accumulated. Throughout the year, there are 33.4 snowfall days, and 297mm (11.69") of snow is accumulated.Daylight
December has the shortest days of the year in Hafnir, with an average of 4h and 30min of daylight.On the first day of December, sunrise is at 10:47 and sunset at 15:52. On the last day of the month, sunrise is at 11:19 and sunset at 15:48 GMT.
Sunshine
In Hafnir, Iceland, the average sunshine in December is 2.7h.UV index
The months with the lowest UV index in Hafnir are January through May, October through December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.Note: A maximum daily UV index of 2 during December morphs into the following directions:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Frequently asked questions
What is the coldest month in Hafnir?
Is December cold in Hafnir?
What is the least humid month in Hafnir?
What is the average humidity in December in Hafnir?
How many days does it rain in December in Hafnir?
How much does it snow in Hafnir in December?
What is the month with the shortest days in Hafnir?
What is the average length of the day in December in Hafnir?
What time are sunrise and sunset in December in Hafnir?
How many hours of sunshine does Hafnir have in December?
What is the month with the lowest UV index in Hafnir?
What is the UV index intensity in December in Hafnir?
Average temperature in December
Hafnir, Iceland
- Average high temperature in December: 4.2°C
The warmest months (with the highest average high temperature) are July and August (12.2°C).
The months with the lowest average high temperature are February, March and December (4.2°C).
- Average low temperature in December: 1.3°C
The month with the highest average low temperature is July (9.9°C).
The coldest months (with the lowest average low temperature) are March and December (1.3°C).
Average pressure in December
Hafnir, Iceland
- Average pressure in December: 998mbar
The month with the highest atmospheric pressure is June (1013.7mbar).
The month with the lowest atmospheric pressure is January (996.1mbar).
Average wind speed in December
Hafnir, Iceland
- Average wind speed in December: 34.1km/h
The windiest month (with the highest average wind speed) is February (35km/h).
The calmest month (with the lowest average wind speed) is June (20.1km/h).
Average humidity in December
Hafnir, Iceland
- Average humidity in December: 74%
The months with the highest relative humidity are July and August (81%).
The month with the lowest relative humidity is December (74%).
Average rainfall in December
Hafnir, Iceland
- Average rainfall in December: 69mm
The wettest month (with the highest rainfall) is January (99mm).
The driest month (with the least rainfall) is June (35mm).
Average rainfall days in December
Hafnir, Iceland
- Average rainfall days in December: 13.4 days
The month with the highest number of rainy days is September (19.9 days).
The month with the least rainy days is June (12.5 days).
Average snowfall in December
Hafnir, Iceland
- Average snowfall in December: 52mm
The month with the highest snowfall is March (75mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Hafnir, Iceland
- Average snowfall days in December: 5.5 days
The month with the highest number of snowfall days is March (8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Hafnir, Iceland
- Average daylight in December: 4h and 3min
The month with the longest days is June (Average daylight: 20h and 42min).
The month with the shortest days is December (Average daylight: 4h and 30min).
- Average sunshine in December: 2h and 4min
The month with the most sunshine is August (Average sunshine: 7h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in December
Hafnir, Iceland
- Average sunshine days in December: 10.5 days
The month with the most sunshine days is June (15 days).
The months with the least sunshine days are March and April (7.1 days).
Average UV index in December
Hafnir, 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, March, April, May, October, November and December (UV index 2).
Average cloud cover in December
Hafnir, Iceland
- Average cloud cover in December: 61
The month with the most cloud cover is March (Cloud cover 69).
The months with the least cloud cover are May, July and August (Cloud cover 60).
Average visibility in December
Hafnir, Iceland
- Average visibility in December: 9km
The months with the highest visibility are June and August (10km).
The months with the lowest visibility are January, February, March, April, May, July, September, October, November and December (9km).
Hafnir, Iceland
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