December weather forecastHylla, Norway

December weather forecast for Hylla, Norway: The first month of the winter, December, is still a freezing cold month in Hylla, Norway, with an average temperature fluctuating between -1.1°C (30°F) and -4.5°C (23.9°F). In Hylla, during December, snow falls for 14.1 days and regularly aggregates up to 218mm (8.58") of snow.

December

Weather in December

The first month of the winter, December, is still a freezing cold month in Hylla, Norway, with an average temperature fluctuating between -1.1°C (30°F) and -4.5°C (23.9°F).

Temperature

December begins with an average high-temperature of a freezing cold -1.1°C (30°F), reflecting close similarity to the preceding month. A slight dip in temperature to a still subzero cold -4.5°C (23.9°F) marks the average nights during December.

Humidity

In December, the average relative humidity is 87%.

Rainfall

In December, the rain falls for 11.8 days. Throughout December, 73mm (2.87") of precipitation is accumulated. In Hylla, during the entire year, the rain falls for 167.8 days and collects up to 717mm (28.23") of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In December, in Hylla, it is snowing for 14.1 days. Throughout December, 218mm (8.58") of snow is accumulated. Throughout the year, there are 75.9 snowfall days, and 1278mm (50.31") of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 4h and 30min of daylight.
On the first day of the month, sunrise is at 09:29 and sunset at 14:37. On the last day of December, sunrise is at 10:01 and sunset at 14:33 CET.

Sunshine

December has the least sunshine of the year, with an average of 1.5h of sunshine.

UV index

The months with the lowest UV index are February and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The UV index of 1 during December translates into the following guidance:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.

Frequently asked questions

The average high-temperature, in December, in Hylla, is -1.1°C (30°F), while the average low-temperature is -4.5°C (23.9°F).

In December, the average relative humidity is 87%.

In Hylla, in December, during 11.8 rainfall days, 73mm (2.87") of precipitation is typically accumulated.

In Hylla, during December, snow falls for 14.1 days and regularly aggregates up to 218mm (8.58") of snow.

The month with the shortest days is December, with an average of 4h and 30min of daylight.

The average day length in December is 4h and 32min.

In December, on the first day of the month, sunrise is at 09:29 and sunset at 14:37. On the last day of the month, sunrise is at 10:01 and sunset at 14:33 CET.

December has the least sunshine of the year, with an average of 1.5h of sunshine.

In December, the average sunshine duration is 1.5h.

The months with the lowest UV index are February and December, with an average maximum UV index of 1.

The average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents a low health risk from exposure to Sun's UV rays.
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
Hylla, Norway

  • Average high temperature in December: -1.1°C

The warmest month (with the highest average high temperature) is July (18.3°C).
The month with the lowest average high temperature is January (-2.3°C).

  • Average low temperature in December: -4.5°C

The month with the highest average low temperature is July (9.5°C).
The coldest month (with the lowest average low temperature) is February (-6.5°C).

Average pressure in December
Hylla, Norway

  • Average pressure in December: 1003.5mbar

The month with the highest atmospheric pressure is May (1014.5mbar).
The month with the lowest atmospheric pressure is December (1003.5mbar).

Average wind speed in December
Hylla, Norway

  • Average wind speed in December: 10.8km/h

The windiest month (with the highest average wind speed) is January (11.7km/h).
The calmest months (with the lowest average wind speed) are July and August (8.3km/h).

Average humidity in December
Hylla, Norway

  • Average humidity in December: 87%

The month with the highest relative humidity is February (90%).
The months with the lowest relative humidity are May and June (73%).

Average rainfall in December
Hylla, Norway

  • Average rainfall in December: 73mm

The wettest month (with the highest rainfall) is March (78mm).
The driest month (with the least rainfall) is November (41mm).

Average rainfall days in December
Hylla, Norway

  • Average rainfall days in December: 11.8 days

The month with the highest number of rainy days is August (18 days).
The month with the least rainy days is February (8 days).

Average snowfall in December
Hylla, Norway

  • Average snowfall in December: 218mm

The month with the highest snowfall is March (275mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Hylla, Norway

  • Average snowfall days in December: 14.1 days

The month with the highest number of snowfall days is March (16 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in December: 4h and 30min

The month with the longest days is June (Average daylight: 20h and 36min).
The month with the shortest days is December (Average daylight: 4h and 30min).

  • Average sunshine in December: 1h and 30min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 1h and 30min).

Average sunshine days in December
Hylla, Norway

  • Average sunshine days in December: 9.4 days

The month with the most sunshine days is November (13.6 days).
The month with the least sunshine days is December (9.4 days).

Average UV index in December
Hylla, Norway

  • Average UV index in December: 1

The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are February and December (UV index 1).

Average cloud cover in December
Hylla, Norway

  • Average cloud cover in December: 62

The month with the most cloud cover is March (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 50).

Average visibility in December
Hylla, Norway

  • Average visibility in December: 8km

The months with the highest visibility are May and June (9km).
The months with the lowest visibility are January, February and March (7km).