Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
Temperature
December is marked by a subtle drop in average high-temperatures, transitioning from a wintry 2.7°C (36.9°F) in November to a subzero cold -1.6°C (29.1°F). In Sylling, the month of December records an average minimum temperature of -5.3°C (22.5°F), a slight dip from the daily highs.Humidity
In December, the average relative humidity is 88%.Rainfall
In Sylling, Norway, during December, the rain falls for 6.5 days and regularly aggregates up to 17mm (0.67") of precipitation. Throughout the year, there are 128 rainfall days, and 311mm (12.24") of precipitation is accumulated.Snowfall
Months with snowfall in Sylling, Norway, are January through May, October through December. In December, in Sylling, it is snowing for 6.9 days. Throughout December, 56mm (2.2") of snow is accumulated. In Sylling, during the entire year, snow falls for 42.9 days and aggregates up to 271mm (10.67") of snow.Daylight
December has the shortest days of the year in Sylling, Norway, with an average of 6h and 6min of daylight.On the first day of December in Sylling, Norway, sunrise is at 08:53 and sunset at 15:22. On the last day of the month, sunrise is at 09:20 and sunset at 15:23 CET.
Sunshine
January and December, with an average of 3.2h of sunshine, are months with the least sunshine.UV index
The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the average maximum UV index of 2 translates into the following recommendations:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Sylling?
What is the average humidity in December in Sylling?
How many days does it rain in December in Sylling?
How much does it snow in Sylling in December?
What is the month with the shortest days in Sylling?
How many hours of daylight does Sylling have in December?
What time are sunrise and sunset in December in Sylling?
What are the months with the least sunshine in Sylling?
How many hours of sunshine does Sylling have in December?
What is the UV index reading in December in Sylling?
Average temperature in December
Sylling, 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
Sylling, 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
Sylling, 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
Sylling, 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
Sylling, 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
Sylling, 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
Sylling, 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
Sylling, 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
Sylling, Norway
- Average daylight in December: 6h and 1min
The month with the longest days is June (Average daylight: 18h and 42min).
The month with the shortest days is December (Average daylight: 6h and 6min).
- Average sunshine in December: 3h and 1min
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
Sylling, 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
Sylling, 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
Sylling, 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
Sylling, 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).
