December weather forecastUtö, Finland
December
Weather in December
December, the first month of the winter in Utö, is also a wintry month, with an average temperature ranging between min 1.7°C (35.1°F) and max 3.5°C (38.3°F).Temperature
December indicates a minor shift in the average high-temperature, from November's frosty 6.7°C (44.1°F) to a wintry 3.5°C (38.3°F). Utö's temperature during December nights registers a minor decrease to an average low of 1.7°C (35.1°F).Humidity
In December, the average relative humidity in Utö is 81%.Rainfall
In December, the rain falls for 11.9 days. Throughout December, 33mm (1.3") of precipitation is accumulated. In Utö, during the entire year, the rain falls for 133.3 days and collects up to 312mm (12.28") of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, in Utö, it is snowing for 7.5 days. Throughout December, 29mm (1.14") of snow is accumulated. In Utö, during the entire year, snow falls for 38.5 days and aggregates up to 160mm (6.3") of snow.Daylight
The month with the shortest days is December, with an average of 6h and 6min of daylight.On the first day of December, sunrise is at 09:08 and sunset at 15:38. On the last day of the month, sunrise is at 09:34 and sunset at 15:40 EET.
Sunshine
December has the least sunshine of the year, with an average of 1.9h of sunshine.UV index
The months with the lowest UV index in Utö are January through March and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the average person.Note: In December, the maximum UV index of 1 suggests this advice:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. 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
Utö, Finland
- Average high temperature in December: 3.5°C
The warmest month (with the highest average high temperature) is August (18.1°C).
The month with the lowest average high temperature is February (0.3°C).
- Average low temperature in December: 1.7°C
The month with the highest average low temperature is August (16.3°C).
The coldest month (with the lowest average low temperature) is February (-1.7°C).
Average pressure in December
Utö, Finland
- Average pressure in December: 1007.8mbar
The month with the highest atmospheric pressure is May (1015mbar).
The month with the lowest atmospheric pressure is December (1007.8mbar).
Average wind speed in December
Utö, Finland
- Average wind speed in December: 34.1km/h
The windiest month (with the highest average wind speed) is December (34.1km/h).
The calmest month (with the lowest average wind speed) is July (21.2km/h).
Average humidity in December
Utö, Finland
- Average humidity in December: 81%
The months with the highest relative humidity are February and March (84%).
The months with the lowest relative humidity are August, September and October (78%).
Average rainfall in December
Utö, Finland
- Average rainfall in December: 33mm
The wettest month (with the highest rainfall) is September (40mm).
The driest month (with the least rainfall) is April (12mm).
Average rainfall days in December
Utö, Finland
- Average rainfall days in December: 11.9 days
The month with the highest number of rainy days is September (14.9 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in December
Utö, Finland
- Average snowfall in December: 29mm
The month with the highest snowfall is January (41mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Utö, Finland
- Average snowfall days in December: 7.5 days
The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Utö, Finland
- Average daylight in December: 6h and 6min
The month with the longest days is June (Average daylight: 18h and 36min).
The month with the shortest days is December (Average daylight: 6h and 6min).
- Average sunshine in December: 1h and 54min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 1h and 54min).
Average sunshine days in December
Utö, Finland
- Average sunshine days in December: 9 days
The month with the most sunshine days is May (19.3 days).
The month with the least sunshine days is December (9 days).
Average UV index in December
Utö, Finland
- 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 and December (UV index 1).
Average cloud cover in December
Utö, Finland
- Average cloud cover in December: 71
The months with the most cloud cover are January and December (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in December
Utö, Finland
- 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).





