December weather forecast
Kópasker, Iceland

December

Weather in December

The first month of the winter, December, is also an icy month in Kópasker, Iceland, with temperature in the range of an average high of 1.5°C (34.7°F) and an average low of -1.4°C (29.5°F).

Temperature

December's average high-temperature stands at a still cold 1.5°C (34.7°F), showing little deviation from November's 3.1°C (37.6°F). Night temperatures in December exhibit a subtle decrease, settling at an average of -1.4°C (29.5°F).

Humidity

The months with the lowest humidity are May and December, with an average relative humidity of 80%.

Rainfall

December is the month with the most rainfall. Rain falls for 9.5 days and accumulates 77mm (3.03") of precipitation.

Snowfall

January through July, September through December are months with snowfall. In Kópasker, in December, during 10.4 snowfall days, 105mm (4.13") of snow is typically accumulated. Throughout the year, there are 79.7 snowfall days, and 632mm (24.88") of snow is accumulated.

Daylight

The month with the shortest days in Kópasker is December, with an average of 2h and 54min of daylight.
On the first day of the month, sunrise is at 11:00 and sunset at 14:49. On the last day of December, sunrise is at 11:41 and sunset at 14:36 GMT.

Sunshine

In Kópasker, the average sunshine in December is 1h.

UV index

January through March, October and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: A daily maximum UV index of 1 in December translates into the following instructions:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.

Frequently asked questions

How cold is December?
The average high-temperature, in December, in Kópasker, is 1.5°C (34.7°F), while the average low-temperature is -1.4°C (29.5°F).
What are the least humid months?
The months with the lowest humidity are May and December, with an average relative humidity of 80%.
What is the average humidity in December?
In Kópasker, the average relative humidity in December is 80%.
What is the rainiest month?
December is the month with the most rainfall in Kópasker. Rain falls for 9.5 days and accumulates 77mm (3.03") of precipitation.
How much does it rain in December?
In Kópasker, in December, it is raining for 9.5 days, with typically 77mm (3.03") of accumulated precipitation.
How much does it snow in December?
In Kópasker, during December, snow falls for 10.4 days and regularly aggregates up to 105mm (4.13") of snow.
What is the month with the shortest days?
With an average of 2h and 54min of daylight, December has the shortest days of the year.
What is the average length of the day in December in Kópasker?
The average day length in December in Kópasker, Iceland, is 2h and 54min.
What time are sunrise and sunset in December in Kópasker?
In December, on the first day of the month, sunrise is at 11:00 and sunset at 14:49. On the last day of the month, in Kópasker, sunrise is at 11:41 and sunset at 14:36 GMT.
How long on average sun shines in December?
In December, the average sunshine duration is 1h.
When is the lowest UV index?
January through March, October and December, with an average maximum UV index of 1, are months with the lowest UV index.
How high is the UV index in December?
The average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December - Kópasker, Iceland
Average temperature in December
Kópasker, Iceland
  • Average high temperature in December: 1.5°C

The warmest month (with the highest average high temperature) is August (10.6°C).
The month with the lowest average high temperature is March (1.1°C).

  • Average low temperature in December: -1.4°C

The month with the highest average low temperature is August (8.2°C).
The coldest month (with the lowest average low temperature) is March (-1.9°C).

Average pressure in December - Kópasker, Iceland
Average pressure in December
Kópasker, Iceland
  • Average pressure in December: 999.8mbar

The month with the highest atmospheric pressure is June (1014.7mbar).
The month with the lowest atmospheric pressure is January (998.7mbar).

Average wind speed in December - Kópasker, Iceland
Average wind speed in December
Kópasker, Iceland
  • Average wind speed in December: 31.4km/h

The windiest month (with the highest average wind speed) is December (31.4km/h).
The calmest month (with the lowest average wind speed) is June (17.9km/h).

Average humidity in December - Kópasker, Iceland
Average humidity in December
Kópasker, Iceland
  • Average humidity in December: 80%

The month with the highest relative humidity is July (84%).
The months with the lowest relative humidity are May and December (80%).

Average rainfall in December - Kópasker, Iceland
Average rainfall in December
Kópasker, Iceland
  • Average rainfall in December: 77mm

The wettest month (with the highest rainfall) is December (77mm).
The driest month (with the least rainfall) is June (24mm).

Average rainfall days in December - Kópasker, Iceland
Average rainfall days in December
Kópasker, Iceland
  • Average rainfall days in December: 9.5 days

The month with the highest number of rainy days is September (19.3 days).
The month with the least rainy days is March (8.2 days).

Average snowfall in December - Kópasker, Iceland
Average snowfall in December
Kópasker, Iceland
  • Average snowfall in December: 105mm

The month with the highest snowfall is March (113mm).
The month with the least snowfall is August (0mm).

Average snowfall days in December - Kópasker, Iceland
Average snowfall days in December
Kópasker, Iceland
  • Average snowfall days in December: 10.4 days

The month with the highest number of snowfall days is March (13.3 days).
The month with the least snowfall days is August (0 days).

Average daylight in December / Average sunshine in December - Kópasker, Iceland
Average daylight in December /
Average sunshine in December
Kópasker, Iceland
  • Average daylight in December: 2h and 5min

The month with the longest days is May (Average daylight: 19h and 30min).
The month with the shortest days is December (Average daylight: 2h and 54min).

  • Average sunshine in December: 1h and 0min

The month with the most sunshine is May (Average sunshine: 6h and 48min).
The month with the least sunshine is June (Average sunshine: 0h and 24min).

Average sunshine days in December - Kópasker, Iceland
Average sunshine days in December
Kópasker, Iceland
  • Average sunshine days in December: 6.1 days

The month with the most sunshine days is June (14.6 days).
The month with the least sunshine days is February (5.8 days).

Average UV index in December - Kópasker, Iceland
Average UV index in December
Kópasker, Iceland
  • Average UV index in December: 1

The months with the highest UV index are July and August (UV index 3).
The months with the lowest UV index are January, February, March, October and December (UV index 1).

Average cloud cover in December - Kópasker, Iceland
Average cloud cover in December
Kópasker, Iceland
  • Average cloud cover in December: 73

The month with the most cloud cover is March (Cloud cover 74).
The month with the least cloud cover is June (Cloud cover 60).

Average visibility in December - Kópasker, Iceland
Average visibility in December
Kópasker, Iceland
  • Average visibility in December: 8km

The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, March, November and December (8km).

englishespañol中文
Share