December weather forecastSandhamn, Sweden
December
Weather in December
The first month of the winter, December, is also an icy month in Sandhamn, Sweden, with an average temperature varying between -0.4°C (31.3°F) and 2.3°C (36.1°F).Temperature
December ushers in a minor alteration in Sandhamn's climate, with the average high-temperature moving from November's cold 5.7°C (42.3°F) to a still icy 2.3°C (36.1°F). Sandhamn registers a subtle dip to an average of -0.4°C (31.3°F) during the nights of December.Humidity
January, February, November and December, with an average relative humidity of 85%, are the most humid months in Sandhamn.Rainfall
In Sandhamn, during December, the rain falls for 9.1 days and regularly aggregates up to 23mm (0.91") of precipitation. In Sandhamn, during the entire year, the rain falls for 125.3 days and collects up to 261mm (10.28") of precipitation.Snowfall
January through May, October through December are months with snowfall in Sandhamn. December is the month with the most snowfall. Snow falls for 8.8 days and accumulates 41mm (1.61") of snow.Daylight
The month with the shortest days in Sandhamn is December, with an average of 6h and 18min of daylight.On the first day of the month, sunrise is at 08:14 and sunset at 14:52. On the last day of December, in Sandhamn, sunrise is at 08:40 and sunset at 14:54 CET.
Sunshine
December has the least sunshine of the year in Sandhamn, 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 low health risk from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 2 during December translates into the following directions:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sandhamn, Sweden
- Average high temperature in December: 2.3°C
The warmest month (with the highest average high temperature) is July (18.9°C).
The months with the lowest average high temperature are January and February (0.4°C).
- Average low temperature in December: -0.4°C
The month with the highest average low temperature is August (14.8°C).
The coldest month (with the lowest average low temperature) is January (-2.2°C).
Average pressure in December
Sandhamn, 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
Sandhamn, Sweden
- Average wind speed in December: 24.7km/h
The windiest month (with the highest average wind speed) is December (24.7km/h).
The calmest month (with the lowest average wind speed) is July (15.8km/h).
Average humidity in December
Sandhamn, 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
Sandhamn, Sweden
- Average rainfall in December: 23mm
The wettest month (with the highest rainfall) is July (35mm).
The driest month (with the least rainfall) is April (10mm).
Average rainfall days in December
Sandhamn, 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
Sandhamn, Sweden
- Average snowfall in December: 41mm
The month with the highest snowfall is December (41mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Sandhamn, 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
Sandhamn, Sweden
- Average daylight in December: 6h and 18min
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 18min).
- Average sunshine in December: 2h and 30min
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
Sandhamn, 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
Sandhamn, 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
Sandhamn, 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
Sandhamn, 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).





