December weather forecastLillestrøm, Norway
December
Weather in December
December, the first month of the winter in Lillestrøm, is also a subzero cold month, with an average temperature varying between -2.1°C (28.2°F) and -5.6°C (21.9°F).Temperature
Lillestrøm observes a small decrease in the average high-temperature with the arrival of December, falling from November's icy 2.2°C (36°F) to a subzero cold -2.1°C (28.2°F). Lillestrøm maintains a consistent average nighttime low-temperature of -5.6°C (21.9°F) throughout December.Humidity
In December, the average relative humidity is 89%.Rainfall
In December, in Lillestrøm, the rain falls for 6 days. Throughout December, 37mm (1.46") of precipitation is accumulated. Throughout the year, in Lillestrøm, there are 142.2 rainfall days, and 648mm (25.51") of precipitation is accumulated.Snowfall
Months with snowfall in Lillestrøm are January through May, October through December. In Lillestrøm, during December, snow falls for 12.4 days and regularly aggregates up to 199mm (7.83") of snow. Throughout the year, there are 71.1 snowfall days, and 1230mm (48.43") of snow is accumulated.Daylight
The month with the shortest days in Lillestrøm is December, with an average of 6h and 6min of daylight.On the first day of the month, sunrise is at 08:51 and sunset at 15:18. On the last day of December, sunrise is at 09:17 and sunset at 15:20 CET.
Sunshine
January and December, with an average of 3.1h of sunshine, are months with the least sunshine in Lillestrøm.UV index
January through March and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index of 1 during December translates into these guidelines:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Lillestrøm, Norway
- Average high temperature in December: -2.1°C
The warmest month (with the highest average high temperature) is July (20.1°C).
The month with the lowest average high temperature is January (-2.8°C).
- Average low temperature in December: -5.6°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 (-8.2°C).
Average pressure in December
Lillestrøm, 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
Lillestrøm, Norway
- Average wind speed in December: 9.1km/h
The windiest month (with the highest average wind speed) is May (9.3km/h).
The calmest month (with the lowest average wind speed) is August (8.1km/h).
Average humidity in December
Lillestrøm, Norway
- Average humidity in December: 89%
The month with the highest relative humidity is February (93%).
The month with the lowest relative humidity is May (70%).
Average rainfall in December
Lillestrøm, Norway
- Average rainfall in December: 37mm
The wettest month (with the highest rainfall) is July (79mm).
The driest months (with the least rainfall) are January and April (27mm).
Average rainfall days in December
Lillestrøm, Norway
- Average rainfall days in December: 6 days
The month with the highest number of rainy days is July (22 days).
The months with the least rainy days are January and February (2.8 days).
Average snowfall in December
Lillestrøm, Norway
- Average snowfall in December: 199mm
The month with the highest snowfall is March (238mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Lillestrøm, Norway
- Average snowfall days in December: 12.4 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Lillestrøm, Norway
- Average daylight in December: 6h and 6min
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 6min
The month with the most sunshine is June (Average sunshine: 11h and 6min).
The months with the least sunshine are January and December (Average sunshine: 3h and 6min).
Average sunshine days in December
Lillestrøm, Norway
- Average sunshine days in December: 16.2 days
The month with the most sunshine days is January (16.9 days).
The month with the least sunshine days is July (7.3 days).
Average UV index in December
Lillestrøm, Norway
- Average UV index in December: 1
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, February, March and December (UV index 1).
Average cloud cover in December
Lillestrøm, Norway
- Average cloud cover in December: 58
The month with the most cloud cover is February (Cloud cover 67).
The month with the least cloud cover is June (Cloud cover 47).
Average visibility in December
Lillestrøm, Norway
- Average visibility in December: 7km
The months with the highest visibility are May and June (9km).
The months with the lowest visibility are January, February and March (6km).
