December weather forecastHammerfest, Norway

December

Weather in December

December, the final month of the year, brings the onset of full-blown winter in Hammerfest. Fittingly, this month has the shortest daylight hours, making it the darkest time of the year. Snowfall, recorded at 110mm (4.33"), is balanced from the previous month, thereby maintaining the city's winter facade. The piercing cold and snow-covered cityscape make December a picturesque, albeit chilly, end to the year in Hammerfest.

Temperature

The transition into December in Hammerfest reveals an average high-temperature of a subzero cold -0.4°C (31.3°F), mirroring a close resemblance to November. Night temperatures during December experience a slight downturn, averaging -3.4°C (25.9°F).

Humidity

In Hammerfest, the average relative humidity in December is 81%.

Rainfall

The months with the least rainfall are September and December Rain falls for 5.5 days and accumulates 33mm (1.3") of rain.

Snowfall

January through June, September through December are months with snowfall in Hammerfest, Norway. In Hammerfest, in December, snow falls for 12.7 days, with typically accumulated 110mm (4.33") of snow. In Hammerfest, during the entire year, snow falls for 96.3 days and aggregates up to 928mm (36.54") of snow.

Sea temperature

In Hammerfest, the average seawater temperature in December is 5.9°C (42.6°F).
Note: Beware when you're in 5.9°C (42.6°F) waters; 13°C (55.4°F) is chilling and anything below 10°C (50°F) could cause breathing hindrance and a sudden cold shock, given your physical condition.

Daylight

The months with the shortest days are June and December, with an average of 0h and 0min of daylight.

Sunshine

The month with the least sunshine is December, with an average of 0.3h of sunshine.

UV index

In December, the average daily maximum UV index in Hammerfest, Norway, is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum UV index of 2 during December translates into these guidelines:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. To cut down UV radiation exposure by about half, sport a wide-brim hat. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.

Frequently asked questions

An average high-temperature, in December, in Hammerfest, is -0.4°C (31.3°F) and the average low-temperature is -3.4°C (25.9°F).

In Hammerfest, Norway, the average relative humidity in December is 81%.

September and December are months with the least rain in Hammerfest, Norway, when the rain falls for 5.5 days and typically aggregates up to 33mm (1.3") of rain.

In Hammerfest, Norway, in December, during 5.5 rainfall days, 33mm (1.3") of precipitation is typically accumulated.

In Hammerfest, Norway, in December, during 12.7 snowfall days, 110mm (4.33") of snow is typically accumulated.

In December, the average sea temperature is 5.9°C (42.6°F). Swimming in 5.9°C (42.6°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

The months with the shortest days in Hammerfest are June and December, with an average of 0h and 0min of daylight.

The average day length in December in Hammerfest, Norway, is 0h and 0min.

With an average of 0.3h of sunshine, December has the least sunshine of the year in Hammerfest.

In Hammerfest, Norway, the average sunshine duration in December is 0.3h.

In December, the average daily maximum UV index in Hammerfest, Norway, is 2. A UV Index value of 2, and less, symbolizes 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 sea temperature
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Hammerfest, Norway

  • Average high temperature in December: -0.4°C

The warmest month (with the highest average high temperature) is July (12.7°C).
The months with the lowest average high temperature are January and February (-2.3°C).

  • Average low temperature in December: -3.4°C

The month with the highest average low temperature is July (9.1°C).
The coldest month (with the lowest average low temperature) is February (-5.8°C).

Average pressure in December
Hammerfest, Norway

  • Average pressure in December: 1000.5mbar

The month with the highest atmospheric pressure is May (1013.8mbar).
The month with the lowest atmospheric pressure is December (1000.5mbar).

Average wind speed in December
Hammerfest, Norway

  • Average wind speed in December: 24.2km/h

The windiest month (with the highest average wind speed) is March (25.3km/h).
The calmest month (with the lowest average wind speed) is July (15.4km/h).

Average humidity in December
Hammerfest, Norway

  • Average humidity in December: 81%

The months with the highest relative humidity are April and May (83%).
The months with the lowest relative humidity are March and June (79%).

Average rainfall in December
Hammerfest, Norway

  • Average rainfall in December: 33mm

The wettest month (with the highest rainfall) is March (47mm).
The driest months (with the least rainfall) are September and December (33mm).

Average rainfall days in December
Hammerfest, Norway

  • Average rainfall days in December: 5.5 days

The month with the highest number of rainy days is June (18.5 days).
The month with the least rainy days is February (4.6 days).

Average snowfall in December
Hammerfest, Norway

  • Average snowfall in December: 110mm

The month with the highest snowfall is March (145mm).
The months with the least snowfall are July and August (0mm).

Average snowfall days in December
Hammerfest, Norway

  • Average snowfall days in December: 12.7 days

The month with the highest number of snowfall days is March (16.8 days).
The months with the least snowfall days are July and August (0 days).

Average sea temperature in December
Hammerfest, Norway

  • Average sea temperature in December: 5.9°C

The best month for swimming (with the highest average sea temperature) is August (10.6°C).
The coldest months (with the lowest average sea temperature) are February and March (4.8°C).

Average daylight in December /
Average sunshine in December
Hammerfest, Norway

  • Average daylight in December: 0h and 0min

The month with the longest days is August (Average daylight: 18h and 30min).
The months with the shortest days are June and December (Average daylight: 0h and 0min).

  • Average sunshine in December: 0h and 18min

The month with the most sunshine is August (Average sunshine: 8h and 0min).
The month with the least sunshine is December (Average sunshine: 0h and 18min).

Average sunshine days in December
Hammerfest, Norway

  • Average sunshine days in December: 14.3 days

The month with the most sunshine days is January (14.8 days).
The month with the least sunshine days is June (8.3 days).

Average UV index in December
Hammerfest, Norway

  • 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 February, March, October and November (UV index 1).

Average cloud cover in December
Hammerfest, Norway

  • Average cloud cover in December: 64

The month with the most cloud cover is March (Cloud cover 74).
The month with the least cloud cover is July (Cloud cover 59).

Average visibility in December
Hammerfest, Norway

  • Average visibility in December: 9km

The months with the highest visibility are January, February, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are March and April (8km).