December weather forecastUppsala, Sweden
December
Weather in December
The first month of the winter, December, is still a cold month in Uppsala, Sweden, with an average temperature fluctuating between -3.2°C (26.2°F) and 0.5°C (32.9°F).Temperature
The onset of December is marked by a minor decrease in temperature, transitioning from 4.2°C (39.6°F) in November to a still cold 0.5°C (32.9°F). An average low-temperature of -3.2°C (26.2°F) is witnessed throughout the month of December, a mere drop from the daytime peak.Humidity
The months with the highest humidity are January, February and December, with an average relative humidity of 90%.Rainfall
In December, in Uppsala, the rain falls for 7.6 days. Throughout December, 25mm (0.98") of precipitation is accumulated. Throughout the year, there are 133.9 rainfall days, and 332mm (13.07") of precipitation is accumulated.Snowfall
Months with snowfall in Uppsala, Sweden, are January through May, October through December. In Uppsala, in December, snow falls for 10.8 days, with typically accumulated 85mm (3.35") of snow. In Uppsala, Sweden, during the entire year, snow falls for 56.3 days and aggregates up to 410mm (16.14") of snow.Daylight
With an average of 6h and 6min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 08:24 and sunset at 14:53. On the last day of the month, sunrise is at 08:50 and sunset at 14:54 CET.
Sunshine
With an average of 2.4h of sunshine, December has the least sunshine of the year.UV index
In Uppsala, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: An average UV index of 2 in December transforms into this advice:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Uppsala, Sweden
- Average high temperature in December: 0.5°C
The warmest month (with the highest average high temperature) is July (22°C).
The month with the lowest average high temperature is January (-1°C).
- Average low temperature in December: -3.2°C
The month with the highest average low temperature is July (12.4°C).
The coldest month (with the lowest average low temperature) is January (-4.9°C).
Average pressure in December
Uppsala, Sweden
- Average pressure in December: 1007.4mbar
The month with the highest atmospheric pressure is May (1014.7mbar).
The month with the lowest atmospheric pressure is December (1007.4mbar).
Average wind speed in December
Uppsala, Sweden
- Average wind speed in December: 13.3km/h
The windiest month (with the highest average wind speed) is December (13.3km/h).
The calmest months (with the lowest average wind speed) are July and August (10.3km/h).
Average humidity in December
Uppsala, Sweden
- Average humidity in December: 90%
The months with the highest relative humidity are January, February and December (90%).
The month with the lowest relative humidity is May (70%).
Average rainfall in December
Uppsala, Sweden
- Average rainfall in December: 25mm
The wettest month (with the highest rainfall) is July (50mm).
The driest month (with the least rainfall) is February (15mm).
Average rainfall days in December
Uppsala, Sweden
- Average rainfall days in December: 7.6 days
The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in December
Uppsala, Sweden
- Average snowfall in December: 85mm
The month with the highest snowfall is February (90mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Uppsala, Sweden
- Average snowfall days in December: 10.8 days
The month with the highest number of snowfall days is January (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Uppsala, Sweden
- 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: 2h and 24min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 2h and 24min).
Average sunshine days in December
Uppsala, Sweden
- Average sunshine days in December: 14.3 days
The month with the most sunshine days is October (16.2 days).
The month with the least sunshine days is July (11.4 days).
Average UV index in December
Uppsala, 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 March (UV index 1).
Average cloud cover in December
Uppsala, Sweden
- Average cloud cover in December: 66
The month with the most cloud cover is February (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 42).
Average visibility in December
Uppsala, Sweden
- Average visibility in December: 8km
The months with the highest visibility are April, May, June, July, August and October (9km).
The month with the lowest visibility is February (7km).
