December weather forecastHeggedal, Norway

December

Weather in December

December, the first month of the winter in Heggedal, is still a freezing cold month, with an average temperature varying between -5.3°C (22.5°F) and -1.6°C (29.1°F).

Temperature

With the onset of December, Heggedal experiences a modest temperature adjustment, with the average high-temperature gently receding from an icy 2.7°C (36.9°F) in November to a subzero cold -1.6°C (29.1°F). Nighttime temperature reflects an average dip to -5.3°C (22.5°F) in December, subtly cooler than its daytime highs.

Humidity

The average relative humidity in December in Heggedal is 88%.

Rainfall

In Heggedal, during December, the rain falls for 6.5 days and regularly aggregates up to 17mm (0.67") of precipitation. Throughout the year, there are 127.7 rainfall days, and 307mm (12.09") of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Heggedal. In Heggedal, during December, snow falls for 6.9 days and regularly aggregates up to 56mm (2.2") of snow. Throughout the year, in Heggedal, there are 42.9 snowfall days, and 271mm (10.67") of snow is accumulated.

Daylight

With an average of 6h and 6min of daylight, December has the shortest days of the year.
On the first day of December in Heggedal, sunrise is at 08:52 and sunset at 15:22. On the last day of the month, sunrise is at 09:18 and sunset at 15:24 CET.

Sunshine

The months with the least sunshine are January and December, with an average of 3.2h of sunshine.

UV index

In Heggedal, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum UV index, 2 during December, leads to the following recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.

Frequently asked questions

The average high-temperature, in December, in Heggedal, is -1.6°C (29.1°F), while the average low-temperature is -5.3°C (22.5°F).

In December, the average relative humidity in Heggedal, Norway, is 88%.

In Heggedal, in December, during 6.5 rainfall days, 17mm (0.67") of precipitation is typically accumulated.

In Heggedal, in December, during 6.9 snowfall days, 56mm (2.2") of snow is typically accumulated.

The month with the shortest days in Heggedal, Norway, is December, with an average of 6h and 6min of daylight.

In December, the average day length is 6h and 6min.

In December, on the first day of the month, sunrise is at 08:52 and sunset at 15:22. On the last day of the month, sunrise is at 09:18 and sunset at 15:24 CET.

The months with the least sunshine in Heggedal are January and December, with an average of 3.2h of sunshine.

In Heggedal, the average sunshine duration in December is 3.2h.

In December, the average daily maximum UV index in Heggedal is 2. A UV Index of 2, and less, symbolizes a low health risk 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
Heggedal, Norway

  • Average high temperature in December: -1.6°C

The warmest month (with the highest average high temperature) is July (20.4°C).
The month with the lowest average high temperature is January (-2.4°C).

  • Average low temperature in December: -5.3°C

The month with the highest average low temperature is July (10.8°C).
The coldest month (with the lowest average low temperature) is February (-7.8°C).

Average pressure in December
Heggedal, Norway

  • Average pressure in December: 1008mbar

The month with the highest atmospheric pressure is April (1014.5mbar).
The month with the lowest atmospheric pressure is December (1008mbar).

Average wind speed in December
Heggedal, Norway

  • Average wind speed in December: 9.8km/h

The windiest month (with the highest average wind speed) is January (9.9km/h).
The calmest month (with the lowest average wind speed) is August (8.3km/h).

Average humidity in December
Heggedal, Norway

  • Average humidity in December: 88%

The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is May (71%).

Average rainfall in December
Heggedal, Norway

  • Average rainfall in December: 17mm

The wettest month (with the highest rainfall) is July (40mm).
The driest month (with the least rainfall) is April (13mm).

Average rainfall days in December
Heggedal, Norway

  • Average rainfall days in December: 6.5 days

The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is February (4.3 days).

Average snowfall in December
Heggedal, Norway

  • Average snowfall in December: 56mm

The month with the highest snowfall is March (73mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Heggedal, Norway

  • Average snowfall days in December: 6.9 days

The month with the highest number of snowfall days is January (10.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in December: 6h and 6min

The month with the longest days is June (Average daylight: 18h and 36min).
The month with the shortest days is December (Average daylight: 6h and 6min).

  • Average sunshine in December: 3h and 12min

The month with the most sunshine is June (Average sunshine: 11h and 24min).
The months with the least sunshine are January and December (Average sunshine: 3h and 12min).

Average sunshine days in December
Heggedal, Norway

  • Average sunshine days in December: 18.3 days

The month with the most sunshine days is December (18.3 days).
The month with the least sunshine days is July (10.6 days).

Average UV index in December
Heggedal, Norway

  • Average UV index in December: 2

The months with the highest UV index are May, June, July and August (UV index 4).
The months with the lowest UV index are January and February (UV index 1).

Average cloud cover in December
Heggedal, Norway

  • Average cloud cover in December: 56

The month with the most cloud cover is February (Cloud cover 65).
The month with the least cloud cover is June (Cloud cover 45).

Average visibility in December
Heggedal, Norway

  • Average visibility in December: 8km

The months with the highest visibility are April, May and June (9km).
The month with the lowest visibility is February (6km).