December weather forecastMariero, Sweden
December
Weather in December
The first month of the winter, December, is also a wintry month in Mariero, Sweden, with an average temperature ranging between max 2.3°C (36.1°F) and min -1.1°C (30°F).Temperature
In Mariero, the average high-temperature in December slightly decreases from an icy 5.5°C (41.9°F) in November to a still wintry 2.3°C (36.1°F). Consistently, Mariero reports average nighttime temperatures of -1.1°C (30°F) during December, a marginal step down from its daytime highs.Humidity
January, February, November and December, with an average relative humidity of 88%, are the most humid months.Rainfall
In Mariero, during December, the rain falls for 13.5 days and regularly aggregates up to 47mm (1.85") of precipitation. In Mariero, during the entire year, the rain falls for 170.1 days and collects up to 535mm (21.06") of precipitation.Snowfall
January through May, October through December are months with snowfall in Mariero. In Mariero, in December, during 8.4 snowfall days, 75mm (2.95") of snow is typically accumulated. In Mariero, during the entire year, snow falls for 46.4 days and aggregates up to 378mm (14.88") of snow.Daylight
With an average of 6h and 30min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 08:33 and sunset at 15:25. On the last day of the month, sunrise is at 08:58 and sunset at 15:28 CET.
Sunshine
In Mariero, Sweden, the average sunshine in December is 3.3h.UV index
The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index of 2 during December translates into these guidelines:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Mariero, Sweden
- Average high temperature in December: 2.3°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 (0.6°C).
- Average low temperature in December: -1.1°C
The month with the highest average low temperature is July (12.4°C).
The coldest month (with the lowest average low temperature) is February (-2.8°C).
Average pressure in December
Mariero, Sweden
- Average pressure in December: 1008.4mbar
The month with the highest atmospheric pressure is April (1014.4mbar).
The month with the lowest atmospheric pressure is December (1008.4mbar).
Average wind speed in December
Mariero, Sweden
- Average wind speed in December: 15km/h
The windiest month (with the highest average wind speed) is December (15km/h).
The calmest months (with the lowest average wind speed) are June and July (12.1km/h).
Average humidity in December
Mariero, Sweden
- Average humidity in December: 88%
The months with the highest relative humidity are January, February, November and December (88%).
The month with the lowest relative humidity is May (71%).
Average rainfall in December
Mariero, Sweden
- Average rainfall in December: 47mm
The wettest month (with the highest rainfall) is October (58mm).
The driest month (with the least rainfall) is April (24mm).
Average rainfall days in December
Mariero, Sweden
- Average rainfall days in December: 13.5 days
The month with the highest number of rainy days is August (17.3 days).
The month with the least rainy days is February (9.5 days).
Average snowfall in December
Mariero, Sweden
- Average snowfall in December: 75mm
The month with the highest snowfall is January (111mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Mariero, Sweden
- Average snowfall days in December: 8.4 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mariero, Sweden
- Average daylight in December: 6h and 30min
The month with the longest days is June (Average daylight: 18h and 12min).
The month with the shortest days is December (Average daylight: 6h and 30min).
- Average sunshine in December: 3h and 18min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 12min).
Average sunshine days in December
Mariero, Sweden
- Average sunshine days in December: 10.2 days
The month with the most sunshine days is April (14.5 days).
The month with the least sunshine days is February (9.8 days).
Average UV index in December
Mariero, Sweden
- Average UV index in December: 2
The month with the highest UV index is June (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Mariero, Sweden
- Average cloud cover in December: 66
The month with the most cloud cover is February (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 41).
Average visibility in December
Mariero, Sweden
- Average visibility in December: 8km
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January, February, March, November and December (8km).
