December weather forecastHenna, Norway

December

Weather in December

The first month of the winter, December, is also a wintry month in Henna, Norway, with an average temperature fluctuating between 3.2°C (37.8°F) and 0.9°C (33.6°F).

Temperature

December's arrival brings an average high-temperature of a still wintry 3.2°C (37.8°F), demonstrating subtle variation from the preceding month. Henna registers a gentle descent to an average nighttime low of 0.9°C (33.6°F) in December from its daytime highs.

Humidity

The average relative humidity in December in Henna is 74%.

Rainfall

December is the month with the most rainfall in Henna. Rain falls for 15.3 days and accumulates 92mm (3.62") of precipitation.

Snowfall

January through May, October through December are months with snowfall in Henna. In Henna, during December, snow falls for 6 days and regularly aggregates up to 75mm (2.95") of snow. In Henna, during the entire year, snow falls for 43.3 days and aggregates up to 704mm (27.72") of snow.

Daylight

December has the shortest days of the year in Henna, with an average of 4h and 54min of daylight.
On the first day of December, sunrise is at 09:32 and sunset at 14:58. On the last day of the month, sunrise is at 10:03 and sunset at 14:55 CET.

Sunshine

December has the least sunshine of the year, with an average of 1.6h of sunshine.

UV index

January through March, October through December, with an average maximum UV index of 2, 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 average individuals.
Note: In December, a regular UV index of 2 translates into these guidelines:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.

Frequently asked questions

In Henna, in December, the average high-temperature is 3.2°C (37.8°F), and the average low-temperature is 0.9°C (33.6°F).

In Henna, the average relative humidity in December is 74%.

The month with the most rainfall in Henna, Norway, is December, when the rain falls for 15.3 days and typically aggregates up to 92mm (3.62") of precipitation.

In December, in Henna, Norway, the rain falls for 15.3 days. Throughout December, 92mm (3.62") of precipitation is accumulated.

In Henna, Norway, during December, snow falls for 6 days and regularly aggregates up to 75mm (2.95") of snow.

December has the shortest days of the year in Henna, Norway, with an average of 4h and 54min of daylight.

In December, the average day length in Henna is 4h and 53min.

In December, on the first day of the month, sunrise is at 09:32 and sunset at 14:58. On the last day of the month, in Henna, Norway, sunrise is at 10:03 and sunset at 14:55 CET.

The month with the least sunshine in Henna, Norway, is December, with an average of 1.6h of sunshine.

The average sunshine duration in December is 1.6h.

The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2.

The average daily maximum UV index in December in Henna, Norway, is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from unsafe 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
Henna, Norway

  • Average high temperature in December: 3.2°C

The warmest month (with the highest average high temperature) is August (15.9°C).
The months with the lowest average high temperature are January and February (2.2°C).

  • Average low temperature in December: 0.9°C

The month with the highest average low temperature is August (11.6°C).
The coldest month (with the lowest average low temperature) is February (-0.8°C).

Average pressure in December
Henna, Norway

  • Average pressure in December: 1002.8mbar

The month with the highest atmospheric pressure is May (1014.4mbar).
The month with the lowest atmospheric pressure is December (1002.8mbar).

Average wind speed in December
Henna, Norway

  • Average wind speed in December: 21.3km/h

The windiest month (with the highest average wind speed) is December (21.3km/h).
The calmest month (with the lowest average wind speed) is August (11.9km/h).

Average humidity in December
Henna, Norway

  • Average humidity in December: 74%

The month with the highest relative humidity is July (79%).
The month with the lowest relative humidity is November (72%).

Average rainfall in December
Henna, Norway

  • Average rainfall in December: 92mm

The wettest month (with the highest rainfall) is December (92mm).
The driest month (with the least rainfall) is November (39mm).

Average rainfall days in December
Henna, Norway

  • Average rainfall days in December: 15.3 days

The month with the highest number of rainy days is September (16.4 days).
The month with the least rainy days is November (10.9 days).

Average snowfall in December
Henna, Norway

  • Average snowfall in December: 75mm

The month with the highest snowfall is February (209mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Henna, Norway

  • Average snowfall days in December: 6 days

The month with the highest number of snowfall days is February (10.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in December: 4h and 54min

The month with the longest days is June (Average daylight: 20h and 12min).
The month with the shortest days is December (Average daylight: 4h and 54min).

  • Average sunshine in December: 1h and 36min

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 36min).

Average sunshine days in December
Henna, Norway

  • Average sunshine days in December: 11.4 days

The month with the most sunshine days is November (16.4 days).
The month with the least sunshine days is March (9.6 days).

Average UV index in December
Henna, Norway

  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

Average cloud cover in December
Henna, Norway

  • Average cloud cover in December: 60

The month with the most cloud cover is March (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 49).

Average visibility in December
Henna, Norway

  • Average visibility in December: 9km

The months with the highest visibility are June, August, September, October and November (10km).
The months with the lowest visibility are January, February, March, April, May, July and December (9km).