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
With the onset of December, Sandön experiences a modest temperature adjustment, with the average high-temperature gently receding from a cold 1.5°C (34.7°F) in November to a freezing cold -2.1°C (28.2°F). Throughout December, Sandön reports a steady low-temperature average of -5.7°C (21.7°F), slightly lower than its daytime counterpart.Humidity
The average relative humidity in December is 89%.Rainfall
December is the month with the most rainfall. Rain falls for 6.3 days and accumulates 46mm (1.81") of precipitation.Snowfall
January through May, October through December are months with snowfall. December is the month with the most snowfall. Snow falls for 15 days and accumulates 178mm (7.01") of snow.Daylight
December has the shortest days of the year in Sandön, with an average of 3h and 30min of daylight.On the first day of the month, sunrise is at 09:10 and sunset at 13:29. On the last day of December, sunrise is at 09:48 and sunset at 13:19 CET.
Sunshine
The month with the least sunshine in Sandön is December, with an average of 1.3h of sunshine.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily maximum UV index of 1 in December translates into the following instructions:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. When the Sun is at its strongest around midday, find shade and limit exposure. Enhance your sun protection with tightly woven, yet airy clothing. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Sandön in December?
What is the average humidity in December in Sandön?
What is the rainiest month in Sandön?
How many days does it rain in December in Sandön?
When does it snow the most in Sandön?
How many days does it snow in December in Sandön?
What is the month with the shortest days in Sandön?
What is the average length of the day in December in Sandön?
What time are sunrise and sunset in December in Sandön?
What is the month with the least sunshine in Sandön?
How many hours of sunshine does Sandön have in December?
What is the month with the lowest UV index in Sandön?
What is the UV index reading in December in Sandön?
Average temperature in December
Sandön, Sweden
- Average high temperature in December: -2.1°C
The warmest month (with the highest average high temperature) is July (17.3°C).
The month with the lowest average high temperature is January (-5.7°C).
- Average low temperature in December: -5.7°C
The month with the highest average low temperature is July (13°C).
The coldest month (with the lowest average low temperature) is February (-10.6°C).
Average pressure in December
Sandön, Sweden
- Average pressure in December: 1004.8mbar
The month with the highest atmospheric pressure is May (1014mbar).
The month with the lowest atmospheric pressure is December (1004.8mbar).
Average wind speed in December
Sandön, Sweden
- Average wind speed in December: 17.3km/h
The windiest month (with the highest average wind speed) is December (17.3km/h).
The calmest month (with the lowest average wind speed) is April (13km/h).
Average humidity in December
Sandön, Sweden
- Average humidity in December: 89%
The month with the highest relative humidity is February (93%).
The month with the lowest relative humidity is June (70%).
Average rainfall in December
Sandön, Sweden
- Average rainfall in December: 46mm
The wettest month (with the highest rainfall) is December (46mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days in December
Sandön, Sweden
- Average rainfall days in December: 6.3 days
The month with the highest number of rainy days is August (13.9 days).
The month with the least rainy days is February (3.1 days).
Average snowfall in December
Sandön, Sweden
- Average snowfall in December: 178mm
The month with the highest snowfall is December (178mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Sandön, Sweden
- Average snowfall days in December: 15 days
The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Sandön, Sweden
- Average daylight in December: 3h and 3min
The month with the longest days is June (Average daylight: 22h and 24min).
The month with the shortest days is December (Average daylight: 3h and 30min).
- Average sunshine in December: 1h and 2min
The month with the most sunshine is July (Average sunshine: 12h and 48min).
The month with the least sunshine is December (Average sunshine: 1h and 18min).
Average sunshine days in December
Sandön, Sweden
- Average sunshine days in December: 11.6 days
The months with the most sunshine days are June and October (16.5 days).
The month with the least sunshine days is December (11.6 days).
Average UV index in December
Sandön, Sweden
- Average UV index in December: 1
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in December
Sandön, Sweden
- Average cloud cover in December: 66
The month with the most cloud cover is January (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 40).
Average visibility in December
Sandön, Sweden
- Average visibility in December: 8km
The months with the highest visibility are June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March and April (7km).
