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
December's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from November's icy 4.5°C (40.1°F) to a still cold 1°C (33.8°F). An average temperature of -1.5°C (29.3°F) is logged during the nights of December, a small step down from daytime highs.Humidity
In Hinnerjoki, the average relative humidity in December is 87%.Rainfall
In December, the rain falls for 11.3 days. Throughout December, 42mm (1.65") of precipitation is accumulated. In Hinnerjoki, Finland, during the entire year, the rain falls for 135.6 days and collects up to 425mm (16.73") of precipitation.Snowfall
Months with snowfall are January through May, October through December. In December, it is snowing for 11.9 days. Throughout December, 79mm (3.11") of snow is accumulated. Throughout the year, there are 58.1 snowfall days, and 383mm (15.08") of snow is accumulated.Daylight
December has the shortest days of the year in Hinnerjoki, with an average of 5h and 42min of daylight.On the first day of December in Hinnerjoki, sunrise is at 09:16 and sunset at 15:25. On the last day of the month, sunrise is at 09:44 and sunset at 15:26 EET.
Sunshine
December has the least sunshine of the year, with an average of 2h of sunshine.UV index
January through March and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 1 during December translates into the following directions:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December in Hinnerjoki?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Hinnerjoki, Finland
- Average high temperature in December: 1°C
The warmest month (with the highest average high temperature) is July (19.7°C).
The months with the lowest average high temperature are January and February (-1.5°C).
- Average low temperature in December: -1.5°C
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is February (-5°C).
Average pressure in December
Hinnerjoki, Finland
- Average pressure in December: 1006.9mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1006.9mbar).
Average wind speed in December
Hinnerjoki, Finland
- Average wind speed in December: 20.7km/h
The windiest month (with the highest average wind speed) is December (20.7km/h).
The calmest month (with the lowest average wind speed) is July (14.5km/h).
Average humidity in December
Hinnerjoki, 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
Hinnerjoki, Finland
- Average rainfall in December: 42mm
The wettest month (with the highest rainfall) is July (56mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in December
Hinnerjoki, Finland
- Average rainfall days in December: 11.3 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in December
Hinnerjoki, Finland
- Average snowfall in December: 79mm
The month with the highest snowfall is March (88mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Hinnerjoki, Finland
- Average snowfall days in December: 11.9 days
The month with the highest number of snowfall days is March (13 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Hinnerjoki, Finland
- Average daylight in December: 5h and 4min
The month with the longest days is June (Average daylight: 19h and 6min).
The month with the shortest days is December (Average daylight: 5h and 42min).
- Average sunshine in December: 2h and 0min
The month with the most sunshine is June (Average sunshine: 12h and 18min).
The month with the least sunshine is December (Average sunshine: 2h and 0min).
Average sunshine days in December
Hinnerjoki, Finland
- Average sunshine days in December: 10.7 days
The month with the most sunshine days is June (16.8 days).
The month with the least sunshine days is December (10.7 days).
Average UV index in December
Hinnerjoki, Finland
- Average UV index in December: 1
The months with the highest UV index are June and 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
Hinnerjoki, Finland
- Average cloud cover in December: 70
The month with the most cloud cover is January (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 36).
Average visibility in December
Hinnerjoki, 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 January, February and March (8km).
