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
December
Weather in December
Temperature
December heralds a minor drop in average high-temperature, sliding from November's icy 42.3°F to a still wintry 36.1°F. In Svartsö, December is characterized by an average low-temperature of 31.3°F, indicating a minor drop from daytime highs.Humidity
The months with the highest humidity in Svartsö are January, February, November and December, with an average relative humidity of 85%.Rainfall
In Svartsö, in December, during 9.1 rainfall days, 0.91" of precipitation is typically accumulated. Throughout the year, there are 125.3 rainfall days, and 10.28" of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. The month with the most snowfall in Svartsö is December, when snow falls for 8.8 days and typically aggregates up to 1.61" of snow.Daylight
With an average of 6h and 12min of daylight, December has the shortest days of the year in Svartsö.On the first day of the month, sunrise is at 08:16 and sunset at 14:52. On the last day of December, in Svartsö, sunrise is at 08:42 and sunset at 14:54 CET.
Sunshine
With an average of 2.5h of sunshine, December has the least sunshine of the year.UV index
In December, the average daily maximum UV index in Svartsö 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: In December, the maximum UV index of 2 suggests these recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Svartsö?
What are the most humid months in Svartsö?
What is the average humidity in December in Svartsö?
How much does it rain in Svartsö in December?
When does it snow the most in Svartsö?
How much does it snow in Svartsö in December?
What is the month with the shortest days in Svartsö?
How many hours of daylight does Svartsö have in December?
What time are sunrise and sunset in December in Svartsö?
What is the month with the least sunshine in Svartsö?
How long on average sun shines in December in Svartsö?
How high is the UV index in December in Svartsö?
Average temperature in December
Svartsö, Sweden
- Average high temperature in December: 36.1°F
The warmest month (with the highest average high temperature) is July (66°F).
The months with the lowest average high temperature are January and February (32.7°F).
- Average low temperature in December: 31.3°F
The month with the highest average low temperature is August (58.6°F).
The coldest month (with the lowest average low temperature) is January (28°F).
Average pressure in December
Svartsö, Sweden
- Average pressure in December: 29.76"Hg
The month with the highest atmospheric pressure is May (29.97"Hg).
The month with the lowest atmospheric pressure is December (29.76"Hg).
Average wind speed in December
Svartsö, Sweden
- Average wind speed in December: 15.3mph
The windiest month (with the highest average wind speed) is December (15.3mph).
The calmest month (with the lowest average wind speed) is July (9.8mph).
Average humidity in December
Svartsö, Sweden
- Average humidity in December: 85%
The months with the highest relative humidity are January, February, November and December (85%).
The months with the lowest relative humidity are April, May and June (77%).
Average rainfall in December
Svartsö, Sweden
- Average rainfall in December: 0.91"
The wettest month (with the highest rainfall) is July (1.38").
The driest month (with the least rainfall) is April (0.39").
Average rainfall days in December
Svartsö, Sweden
- Average rainfall days in December: 9.1 days
The month with the highest number of rainy days is August (13.9 days).
The month with the least rainy days is February (5.4 days).
Average snowfall in December
Svartsö, Sweden
- Average snowfall in December: 1.61"
The month with the highest snowfall is December (1.61").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Svartsö, Sweden
- Average snowfall days in December: 8.8 days
The month with the highest number of snowfall days is January (11 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Svartsö, Sweden
- Average daylight in December: 6h and 1min
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 3min
The month with the most sunshine is June (Average sunshine: 12h and 36min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).
Average sunshine days in December
Svartsö, Sweden
- Average sunshine days in December: 11.7 days
The month with the most sunshine days is May (17.9 days).
The month with the least sunshine days is December (11.7 days).
Average UV index in December
Svartsö, 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
Svartsö, Sweden
- Average cloud cover in December: 65
The months with the most cloud cover are January and February (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Svartsö, Sweden
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
