December weather forecastTystberga, Sweden
December
Weather in December
The first month of the winter, December, is also an icy month in Tystberga, Sweden, with an average temperature varying between 1.9°C (35.4°F) and -1.2°C (29.8°F).Temperature
December brings a slight decrease in the average high-temperature, shifting from a wintry 5.6°C (42.1°F) in November to a still icy 1.9°C (35.4°F). The nights of December in Tystberga, Sweden, are characterized by an average low-temperature of -1.2°C (29.8°F), subtly descending from daytime highs.Humidity
January, February, November and December, with an average relative humidity of 87%, are the most humid months in Tystberga.Rainfall
In Tystberga, in December, during 9.3 rainfall days, 27mm (1.06") of precipitation is typically accumulated. Throughout the year, there are 144.2 rainfall days, and 380mm (14.96") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Tystberga, during December, snow falls for 8.5 days and regularly aggregates up to 46mm (1.81") of snow. Throughout the year, there are 43.5 snowfall days, and 249mm (9.8") of snow is accumulated.Daylight
With an average of 6h and 24min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 08:17 and sunset at 15:02. On the last day of the month, sunrise is at 08:43 and sunset at 15:05 CET.
Sunshine
With an average of 2.9h of sunshine, December has the least sunshine of the year in Tystberga.UV index
The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 2 transforms into these recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Tystberga, Sweden
- Average high temperature in December: 1.9°C
The warmest month (with the highest average high temperature) is July (20.6°C).
The month with the lowest average high temperature is January (0.3°C).
- Average low temperature in December: -1.2°C
The month with the highest average low temperature is August (13.6°C).
The coldest month (with the lowest average low temperature) is January (-3°C).
Average pressure in December
Tystberga, Sweden
- Average pressure in December: 1008.4mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1008.4mbar).
Average wind speed in December
Tystberga, Sweden
- Average wind speed in December: 18.8km/h
The windiest month (with the highest average wind speed) is December (18.8km/h).
The calmest month (with the lowest average wind speed) is July (13.4km/h).
Average humidity in December
Tystberga, Sweden
- Average humidity in December: 87%
The months with the highest relative humidity are January, February, November and December (87%).
The months with the lowest relative humidity are May and June (73%).
Average rainfall in December
Tystberga, Sweden
- Average rainfall in December: 27mm
The wettest month (with the highest rainfall) is July (55mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in December
Tystberga, Sweden
- Average rainfall days in December: 9.3 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in December
Tystberga, Sweden
- Average snowfall in December: 46mm
The month with the highest snowfall is February (66mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Tystberga, Sweden
- Average snowfall days in December: 8.5 days
The month with the highest number of snowfall days is February (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Tystberga, Sweden
- Average daylight in December: 6h and 24min
The month with the longest days is June (Average daylight: 18h and 18min).
The month with the shortest days is December (Average daylight: 6h and 24min).
- Average sunshine in December: 2h and 54min
The month with the most sunshine is June (Average sunshine: 12h and 24min).
The month with the least sunshine is December (Average sunshine: 2h and 54min).
Average sunshine days in December
Tystberga, Sweden
- Average sunshine days in December: 12.7 days
The month with the most sunshine days is April (15.2 days).
The month with the least sunshine days is February (11.8 days).
Average UV index in December
Tystberga, Sweden
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Tystberga, Sweden
- Average cloud cover in December: 65
The month with the most cloud cover is February (Cloud cover 66).
The months with the least cloud cover are June and August (Cloud cover 37).
Average visibility in December
Tystberga, Sweden
- Average visibility in December: 9km
The months with the highest visibility are April, June, July, August and September (10km).
The months with the lowest visibility are January, February, March, May, October, November and December (9km).
