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
Weather in December
Temperature
December's arrival subtly correlates with a reduction in the average high-temperature, down from an icy 4.2°C (39.6°F) in November to a still cold 0.7°C (33.3°F). The month of December is marked by an average minimum temperature of -2.7°C (27.1°F), slightly cooler than its daytime counterpart.Humidity
The months with the highest humidity are January, February and December, with an average relative humidity of 89%.Rainfall
In December, the rain falls for 4.5 days. Throughout December, 10mm (0.39") of precipitation is accumulated. Throughout the year, in Upplanda, there are 84.6 rainfall days, and 111mm (4.37") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Upplanda. In Upplanda, Sweden, in December, snow falls for 8 days, with typically accumulated 24mm (0.94") of snow. Throughout the year, there are 40.6 snowfall days, and 120mm (4.72") of snow is accumulated.Daylight
December has the shortest days of the year in Upplanda, with an average of 6h and 0min of daylight.On the first day of the month, sunrise is at 08:26 and sunset at 14:49. On the last day of December, in Upplanda, sunrise is at 08:53 and sunset at 14:51 CET.
Sunshine
December has the least sunshine of the year, with an average of 2.4h of sunshine.UV index
In Upplanda, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: The UV index of 2 in December translates into these instructions:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
How cold is December in Upplanda?
What is the most humid month in Upplanda?
What is the average humidity in December in Upplanda?
How much does it rain in Upplanda in December?
How many days does it snow in December in Upplanda?
What is the month with the shortest days in Upplanda?
What is the average length of the day in December in Upplanda?
When is the sunrise / sunset in December in Upplanda?
What is the month with the least sunshine in Upplanda?
How long on average sun shines in December in Upplanda?
What is the UV index reading in December in Upplanda?
Average temperature in December
Upplanda, Sweden
- Average high temperature in December: 0.7°C
The warmest month (with the highest average high temperature) is July (21.6°C).
The month with the lowest average high temperature is January (-0.9°C).
- Average low temperature in December: -2.7°C
The month with the highest average low temperature is July (12.8°C).
The coldest month (with the lowest average low temperature) is January (-4.5°C).
Average pressure in December
Upplanda, Sweden
- Average pressure in December: 1007mbar
The month with the highest atmospheric pressure is May (1014.6mbar).
The month with the lowest atmospheric pressure is December (1007mbar).
Average wind speed in December
Upplanda, Sweden
- Average wind speed in December: 12.9km/h
The windiest month (with the highest average wind speed) is December (12.9km/h).
The calmest month (with the lowest average wind speed) is August (10.2km/h).
Average humidity in December
Upplanda, Sweden
- Average humidity in December: 89%
The months with the highest relative humidity are January, February and December (89%).
The months with the lowest relative humidity are May and June (69%).
Average rainfall in December
Upplanda, Sweden
- Average rainfall in December: 10mm
The wettest month (with the highest rainfall) is July (18mm).
The driest months (with the least rainfall) are January, February and April (5mm).
Average rainfall days in December
Upplanda, Sweden
- Average rainfall days in December: 4.5 days
The month with the highest number of rainy days is July (12.6 days).
The month with the least rainy days is February (2.9 days).
Average snowfall in December
Upplanda, Sweden
- Average snowfall in December: 24mm
The month with the highest snowfall is March (30mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Upplanda, Sweden
- Average snowfall days in December: 8 days
The month with the highest number of snowfall days is February (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Upplanda, Sweden
- Average daylight in December: 6h and 0min
The month with the longest days is June (Average daylight: 18h and 48min).
The month with the shortest days is December (Average daylight: 6h and 0min).
- Average sunshine in December: 2h and 2min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 2h and 24min).
Average sunshine days in December
Upplanda, Sweden
- Average sunshine days in December: 19.5 days
The month with the most sunshine days is January (21.6 days).
The month with the least sunshine days is July (14.6 days).
Average UV index in December
Upplanda, 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, February and November (UV index 1).
Average cloud cover in December
Upplanda, Sweden
- Average cloud cover in December: 65
The months with the most cloud cover are January and February (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 41).
Average visibility in December
Upplanda, Sweden
- Average visibility in December: 8km
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January, February, March, November and December (8km).
Upplanda, Sweden
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