December weather forecastLännersta, Sweden
December
Weather in December
The first month of the winter, December, is also a wintry month in Lännersta, Sweden, with an average temperature ranging between min -1.1°C (30°F) and max 1.8°C (35.2°F).Temperature
A mild drop in Lännersta's average high-temperature is observed in December, transitioning from a cold 5.5°C (41.9°F) in November to a still wintry 1.8°C (35.2°F). Lännersta registers a steady nighttime temperature averaging a freezing cold -1.1°C (30°F) throughout December.Humidity
January, February, November and December, with an average relative humidity of 86%, are the most humid months in Lännersta.Rainfall
In December, in Lännersta, Sweden, the rain falls for 9.8 days. Throughout December, 27mm (1.06") of precipitation is accumulated. Throughout the year, in Lännersta, there are 132.1 rainfall days, and 289mm (11.38") of precipitation is accumulated.Snowfall
Months with snowfall in Lännersta are January through May, October through December. In Lännersta, in December, during 9.4 snowfall days, 63mm (2.48") of snow is typically accumulated. Throughout the year, in Lännersta, Sweden, there are 50.4 snowfall days, and 285mm (11.22") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 6h and 12min of daylight.On the first day of the month, sunrise is at 08:17 and sunset at 14:55. On the last day of December, in Lännersta, sunrise is at 08:43 and sunset at 14:57 CET.
Sunshine
With an average of 2.6h of sunshine, December has the least sunshine of the year.UV index
In Lännersta, Sweden, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: In December, a regular UV index of 2 translates into these guidelines:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Lännersta, Sweden
- Average high temperature in December: 1.8°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 (-0.1°C).
- Average low temperature in December: -1.1°C
The month with the highest average low temperature is July (13.9°C).
The coldest month (with the lowest average low temperature) is January (-3°C).
Average pressure in December
Lännersta, Sweden
- Average pressure in December: 1007.9mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1007.9mbar).
Average wind speed in December
Lännersta, Sweden
- Average wind speed in December: 20.9km/h
The windiest month (with the highest average wind speed) is December (20.9km/h).
The calmest month (with the lowest average wind speed) is July (13.8km/h).
Average humidity in December
Lännersta, Sweden
- Average humidity in December: 86%
The months with the highest relative humidity are January, February, November and December (86%).
The month with the lowest relative humidity is May (73%).
Average rainfall in December
Lännersta, Sweden
- Average rainfall in December: 27mm
The wettest month (with the highest rainfall) is July (35mm).
The driest month (with the least rainfall) is April (13mm).
Average rainfall days in December
Lännersta, Sweden
- Average rainfall days in December: 9.8 days
The month with the highest number of rainy days is July (14.8 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in December
Lännersta, Sweden
- Average snowfall in December: 63mm
The month with the highest snowfall is February (82mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Lännersta, Sweden
- Average snowfall days in December: 9.4 days
The months with the highest number of snowfall days are January and February (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Lännersta, Sweden
- Average daylight in December: 6h and 12min
The month with the longest days is June (Average daylight: 18h and 30min).
The month with the shortest days is December (Average daylight: 6h and 12min).
- Average sunshine in December: 2h and 36min
The month with the most sunshine is June (Average sunshine: 12h and 30min).
The month with the least sunshine is December (Average sunshine: 2h and 36min).
Average sunshine days in December
Lännersta, Sweden
- Average sunshine days in December: 11 days
The month with the most sunshine days is May (16.3 days).
The month with the least sunshine days is December (11 days).
Average UV index in December
Lännersta, Sweden
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in December
Lännersta, Sweden
- Average cloud cover in December: 65
The month with the most cloud cover is February (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Lännersta, Sweden
- Average visibility in December: 9km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, February, March, April, May, October, November and December (9km).
