December weather forecastHellesylt, Norway
December
Weather in December
December plunges the city into the depths of winter as temperatures hit a low note of -4.5°C (23.9°F). With snowfall at 414mm (16.3"), Hellesylt resembles a winter wonderland, stunning in every way. The shorter daylight hours and persistent cloud cover extend an invitation to stargazers and night-time explorers. Winter sports enthusiasts find December an ideal time to seek thrill and adventure in snow-covered landscapes. Despite being the coldest, the city springs to life with holiday celebrations, illuminating the dark winter nights.Temperature
During December, Hellesylt observes a subtle ascent to a still freezing cold -4.5°C (23.9°F) from November's -1.8°C (28.8°F) in the average high-temperature. Hellesylt's December nights witness minimal differential from the daytime temperatures, with averages of -9°C (15.8°F).Humidity
In Hellesylt, the average relative humidity in December is 89%.Rainfall
In Hellesylt, in December, it is raining for 16.5 days, with typically 130mm (5.12") of accumulated precipitation. In Hellesylt, Norway, during the entire year, the rain falls for 198.4 days and collects up to 1051mm (41.38") of precipitation.Snowfall
Months with snowfall in Hellesylt are January through May, October through December. In Hellesylt, in December, during 16.8 snowfall days, 414mm (16.3") of snow is typically accumulated. Throughout the year, there are 84.7 snowfall days, and 2185mm (86.02") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 5h and 18min of daylight.On the first day of December in Hellesylt, Norway, sunrise is at 09:27 and sunset at 15:15. On the last day of the month, sunrise is at 09:56 and sunset at 15:15 CET.
Sunshine
December has the least sunshine of the year, with an average of 2.5h of sunshine.UV index
The months with the lowest UV index in Hellesylt, Norway, are February, March, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index, 1 during December, leads to the following recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. To avoid the Sun's strongest rays, limit exposure around the mid-day period. To cut down UV radiation exposure by about half, sport a wide-brim hat. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Hellesylt, Norway
- Average high temperature in December: -4.5°C
The warmest month (with the highest average high temperature) is July (13.6°C).
The month with the lowest average high temperature is January (-5.5°C).
- Average low temperature in December: -9°C
The month with the highest average low temperature is July (7.2°C).
The coldest month (with the lowest average low temperature) is February (-10.2°C).
Average pressure in December
Hellesylt, Norway
- Average pressure in December: 1004.7mbar
The month with the highest atmospheric pressure is May (1014.7mbar).
The month with the lowest atmospheric pressure is December (1004.7mbar).
Average wind speed in December
Hellesylt, Norway
- Average wind speed in December: 13.9km/h
The windiest month (with the highest average wind speed) is January (14.6km/h).
The calmest month (with the lowest average wind speed) is July (8.6km/h).
Average humidity in December
Hellesylt, Norway
- Average humidity in December: 89%
The months with the highest relative humidity are March and April (91%).
The months with the lowest relative humidity are July and August (78%).
Average rainfall in December
Hellesylt, Norway
- Average rainfall in December: 130mm
The wettest month (with the highest rainfall) is January (144mm).
The driest month (with the least rainfall) is June (55mm).
Average rainfall days in December
Hellesylt, Norway
- Average rainfall days in December: 16.5 days
The month with the highest number of rainy days is July (21.9 days).
The month with the least rainy days is February (12.5 days).
Average snowfall in December
Hellesylt, Norway
- Average snowfall in December: 414mm
The month with the highest snowfall is January (588mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Hellesylt, Norway
- Average snowfall days in December: 16.8 days
The month with the highest number of snowfall days is January (17.5 days).
The months with the least snowfall days are July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Hellesylt, Norway
- Average daylight in December: 5h and 18min
The month with the longest days is June (Average daylight: 19h and 36min).
The month with the shortest days is December (Average daylight: 5h and 18min).
- Average sunshine in December: 2h and 30min
The month with the most sunshine is June (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).
Average sunshine days in December
Hellesylt, Norway
- Average sunshine days in December: 6.9 days
The month with the most sunshine days is October (14.2 days).
The month with the least sunshine days is March (5.8 days).
Average UV index in December
Hellesylt, Norway
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 3).
The months with the lowest UV index are February, March, November and December (UV index 1).
Average cloud cover in December
Hellesylt, Norway
- Average cloud cover in December: 64
The month with the most cloud cover is March (Cloud cover 66).
The month with the least cloud cover is November (Cloud cover 53).
Average visibility in December
Hellesylt, Norway
- Average visibility in December: 8km
The months with the highest visibility are June, July, August, September and October (9km).
The months with the lowest visibility are March and April (7km).
