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
In December, the average high-temperature marginally drops from 4.5°C (40.1°F) in November to a still cold 1.1°C (34°F). In Metsäaro, the month of December brings a consistent average low-temperature of -2.2°C (28°F), slightly cooler than its daytime highs.Humidity
In Metsäaro, the average relative humidity in December is 87%.Rainfall
In Metsäaro, in December, during 11.1 rainfall days, 41mm (1.61") of precipitation is typically accumulated. Throughout the year, there are 134.6 rainfall days, and 394mm (15.51") of precipitation is accumulated.Snowfall
Months with snowfall in Metsäaro are January through May, October through December. In December, in Metsäaro, Finland, it is snowing for 12.4 days. Throughout December, 82mm (3.23") of snow is accumulated. In Metsäaro, during the entire year, snow falls for 60.5 days and aggregates up to 454mm (17.87") of snow.Daylight
The month with the shortest days in Metsäaro is December, with an average of 5h and 54min of daylight.On the first day of December in Metsäaro, sunrise is at 09:11 and sunset at 15:30. On the last day of the month, sunrise is at 09:38 and sunset at 15:31 EET.
Sunshine
With an average of 1.9h of sunshine, December has the least sunshine of the year in Metsäaro.UV index
January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Metsäaro. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 1 during December translates into the following guidance:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Metsäaro in December?
What is the average humidity in December in Metsäaro?
How much does it rain in Metsäaro in December?
How many days does it snow in December in Metsäaro?
What is the month with the shortest days in Metsäaro?
How many hours of daylight does Metsäaro have in December?
When is the sunrise / sunset in December in Metsäaro?
What is the month with the least sunshine in Metsäaro?
How long on average sun shines in December in Metsäaro?
What are the months with the lowest UV index in Metsäaro?
How high is the UV index in December in Metsäaro?
Average temperature in December
Metsäaro, Finland
- Average high temperature in December: 1.1°C
The warmest month (with the highest average high temperature) is July (20.4°C).
The month with the lowest average high temperature is January (-1.9°C).
- Average low temperature in December: -2.2°C
The months with the highest average low temperature are July and August (13.8°C).
The coldest month (with the lowest average low temperature) is February (-5.6°C).
Average pressure in December
Metsäaro, Finland
- Average pressure in December: 1007.6mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1007.6mbar).
Average wind speed in December
Metsäaro, Finland
- Average wind speed in December: 20.4km/h
The windiest month (with the highest average wind speed) is December (20.4km/h).
The calmest month (with the lowest average wind speed) is July (13.9km/h).
Average humidity in December
Metsäaro, Finland
- Average humidity in December: 87%
The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is May (71%).
Average rainfall in December
Metsäaro, Finland
- Average rainfall in December: 41mm
The wettest month (with the highest rainfall) is July (49mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in December
Metsäaro, Finland
- Average rainfall days in December: 11.1 days
The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is February (5.2 days).
Average snowfall in December
Metsäaro, Finland
- Average snowfall in December: 82mm
The month with the highest snowfall is January (103mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Metsäaro, Finland
- Average snowfall days in December: 12.4 days
The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Metsäaro, Finland
- Average daylight in December: 5h and 5min
The month with the longest days is June (Average daylight: 18h and 54min).
The month with the shortest days is December (Average daylight: 5h and 54min).
- Average sunshine in December: 1h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 1h and 54min).
Average sunshine days in December
Metsäaro, Finland
- Average sunshine days in December: 9.6 days
The month with the most sunshine days is May (17.2 days).
The month with the least sunshine days is December (9.6 days).
Average UV index in December
Metsäaro, Finland
- Average UV index in December: 1
The months with the highest UV index are June, July and August (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
Metsäaro, Finland
- Average cloud cover in December: 71
The month with the most cloud cover is December (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 36).
Average visibility in December
Metsäaro, Finland
- Average visibility in December: 9km
The months with the highest visibility are May, June, July, August and September (10km).
The months with the lowest visibility are February and March (8km).
