December weather forecastTyresta, Sweden
December
Weather in December
December, the first month of the winter in Tyresta, is also a wintry month, with an average temperature varying between 2.3°C (36.1°F) and -0.5°C (31.1°F).Temperature
As December commences, the average high-temperature subtly reduces, transitioning from a wintry 5.7°C (42.3°F) in November to a still cold 2.3°C (36.1°F). Tyresta's December nights exhibit a subtle drop in temperature, averaging at a freezing cold -0.5°C (31.1°F), closely aligned with the daytime highs.Humidity
In Tyresta, the average relative humidity in December is 85%.Rainfall
In Tyresta, Sweden, during December, the rain falls for 6.6 days and regularly aggregates up to 11mm (0.43") of precipitation. In Tyresta, during the entire year, the rain falls for 88.9 days and collects up to 116mm (4.57") of precipitation.Snowfall
January through May, October through December are months with snowfall. In Tyresta, in December, during 8 snowfall days, 18mm (0.71") of snow is typically accumulated. Throughout the year, in Tyresta, Sweden, there are 38.5 snowfall days, and 78mm (3.07") of snow is accumulated.Daylight
The month with the shortest days in Tyresta is December, with an average of 6h and 18min of daylight.On the first day of the month, sunrise is at 08:16 and sunset at 14:56. On the last day of December, in Tyresta, sunrise is at 08:41 and sunset at 14:58 CET.
Sunshine
With an average of 2.5h of sunshine, December has the least sunshine of the year in Tyresta.UV index
The average daily maximum UV index in December in Tyresta, Sweden, is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index, 2 during December, leads to the following recommendations:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Employ a wide-brim hat for potent defense against up to 50% of UV rays. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Tyresta, Sweden
- Average high temperature in December: 2.3°C
The warmest month (with the highest average high temperature) is July (19.5°C).
The month with the lowest average high temperature is February (0.3°C).
- Average low temperature in December: -0.5°C
The month with the highest average low temperature is August (14.4°C).
The coldest months (with the lowest average low temperature) are January and February (-2.3°C).
Average pressure in December
Tyresta, 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
Tyresta, Sweden
- Average wind speed in December: 23.5km/h
The windiest month (with the highest average wind speed) is December (23.5km/h).
The calmest month (with the lowest average wind speed) is July (15.3km/h).
Average humidity in December
Tyresta, Sweden
- Average humidity in December: 85%
The month with the highest relative humidity is November (86%).
The month with the lowest relative humidity is May (75%).
Average rainfall in December
Tyresta, Sweden
- Average rainfall in December: 11mm
The wettest months (with the highest rainfall) are July and August (14mm).
The driest month (with the least rainfall) is April (4mm).
Average rainfall days in December
Tyresta, Sweden
- Average rainfall days in December: 6.6 days
The month with the highest number of rainy days is August (10.9 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in December
Tyresta, Sweden
- Average snowfall in December: 18mm
The month with the highest snowfall is February (23mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Tyresta, Sweden
- Average snowfall days in December: 8 days
The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Tyresta, Sweden
- Average daylight in December: 6h and 18min
The month with the longest days is June (Average daylight: 18h and 24min).
The month with the shortest days is December (Average daylight: 6h and 18min).
- Average sunshine in December: 2h and 30min
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 30min).
Average sunshine days in December
Tyresta, Sweden
- Average sunshine days in December: 14.4 days
The months with the most sunshine days are April and May (21.8 days).
The month with the least sunshine days is December (14.4 days).
Average UV index in December
Tyresta, Sweden
- Average UV index in December: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in December
Tyresta, Sweden
- Average cloud cover in December: 64
The months with the most cloud cover are January and February (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Tyresta, Sweden
- Average visibility in December: 9km
The months with the highest visibility are April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, November and December (9km).





