December weather forecastNacka, Sweden
December
Weather in December
The first month of the winter, December, is also a wintry month in Nacka, Sweden, with an average temperature ranging between min -1.1°C (30°F) and max 1.8°C (35.2°F).Temperature
Start of December brings a slight shift in the average high-temperature, dipping a bit from November's 5.5°C (41.9°F) to a still wintry 1.8°C (35.2°F). In Nacka, the month of December brings a consistent average low-temperature of -1.1°C (30°F), slightly cooler than its daytime highs.Humidity
January, February, November and December, with an average relative humidity of 86%, are the most humid months.Rainfall
In December, the rain falls for 9.8 days. Throughout December, 27mm (1.06") of precipitation is accumulated. In Nacka, during the entire year, the rain falls for 132.1 days and collects up to 289mm (11.38") of precipitation.Snowfall
January through May, October through December are months with snowfall. In Nacka, in December, during 9.4 snowfall days, 63mm (2.48") of snow is typically accumulated. Throughout the year, there are 50.4 snowfall days, and 285mm (11.22") of snow is accumulated.Daylight
December has the shortest days of the year in Nacka, with an average of 6h and 12min of daylight.On the first day of December in Nacka, sunrise is at 08:17 and sunset at 14:55. On the last day of the month, sunrise is at 08:43 and sunset at 14:57 CET.
Sunshine
The month with the least sunshine in Nacka is December, with an average of 2.6h of sunshine.UV index
In Nacka, Sweden, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The daily high UV index of 2 in December translates into this advice:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Keep in mind! Snow's reflective quality can nearly 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
Nacka, 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
Nacka, 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
Nacka, 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
Nacka, 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
Nacka, 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
Nacka, 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
Nacka, 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
Nacka, 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
Nacka, 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
Nacka, 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
Nacka, 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
Nacka, 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
Nacka, 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).
