December weather forecastResarö, Sweden
December
Weather in December
The first month of the winter, December, is still a cold month in Resarö, Sweden, with an average temperature ranging between max 1.9°C (35.4°F) and min -0.8°C (30.6°F).Temperature
A subtle change in temperatures is noted as November gives way to December, with average highs reducing from 5.5°C (41.9°F) to a still icy 1.9°C (35.4°F). Throughout December, Resarö reports a steady low-temperature average of -0.8°C (30.6°F), slightly lower than its daytime counterpart.Humidity
January, February, November and December, with an average relative humidity of 86%, are the most humid months.Rainfall
In December, in Resarö, the rain falls for 7.9 days. Throughout December, 14mm (0.55") of precipitation is accumulated. Throughout the year, in Resarö, there are 98.4 rainfall days, and 140mm (5.51") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Resarö. In December, in Resarö, it is snowing for 9.1 days. Throughout December, 23mm (0.91") of snow is accumulated. Throughout the year, there are 42.5 snowfall days, and 107mm (4.21") of snow is accumulated.Sea temperature
In Resarö, the average seawater temperature in December is 4.8°C (40.6°F).Note: For swimming, this is considered very dangerous and immediately life-threatening. Total loss of breathing control instantly occurs, and clear thinking becomes almost impossible. A specialized swimsuit is obligatory to minimize thermal loss.
Daylight
December has the shortest days of the year, with an average of 6h and 12min of daylight.On the first day of the month, sunrise is at 08:17 and sunset at 14:53. On the last day of December, sunrise is at 08:43 and sunset at 14:55 CET.
Sunshine
December has the least sunshine of the year in Resarö, with an average of 2.5h of sunshine.UV index
The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In December, the maximum UV index of 2 translates into these guidelines:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Resarö, Sweden
- Average high temperature in December: 1.9°C
The warmest month (with the highest average high temperature) is July (19.8°C).
The month with the lowest average high temperature is January (0°C).
- Average low temperature in December: -0.8°C
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is January (-2.8°C).
Average pressure in December
Resarö, Sweden
- Average pressure in December: 1007.8mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1007.8mbar).
Average wind speed in December
Resarö, Sweden
- Average wind speed in December: 21.8km/h
The windiest month (with the highest average wind speed) is December (21.8km/h).
The calmest month (with the lowest average wind speed) is July (14.2km/h).
Average humidity in December
Resarö, 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 (74%).
Average rainfall in December
Resarö, Sweden
- Average rainfall in December: 14mm
The wettest month (with the highest rainfall) is July (18mm).
The driest month (with the least rainfall) is April (5mm).
Average rainfall days in December
Resarö, Sweden
- Average rainfall days in December: 7.9 days
The month with the highest number of rainy days is July (11.1 days).
The month with the least rainy days is February (4.6 days).
Average snowfall in December
Resarö, Sweden
- Average snowfall in December: 23mm
The month with the highest snowfall is February (32mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Resarö, Sweden
- Average snowfall days in December: 9.1 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in December
Resarö, Sweden
- Average sea temperature in December: 4.8°C
The best month for swimming (with the highest average sea temperature) is August (18.8°C).
The coldest month (with the lowest average sea temperature) is February (1°C).
Average daylight in December /
Average sunshine in December
Resarö, 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 30min
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 30min).
Average sunshine days in December
Resarö, Sweden
- Average sunshine days in December: 14.6 days
The month with the most sunshine days is April (20.8 days).
The month with the least sunshine days is December (14.6 days).
Average UV index in December
Resarö, 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
Resarö, 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
Resarö, 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).





