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
Weather in December
Temperature
With the arrival of December, Suomenniemi notices a mild change in the average high-temperature, sliding from November's icy 1.8°C (35.2°F) to a freezing cold -2.1°C (28.2°F). Suomenniemi reports an average low-temperature of -5.1°C (22.8°F) during the subtly cooler December nights.Humidity
In Suomenniemi, the average relative humidity in December is 93%.Rainfall
In Suomenniemi, during December, the rain falls for 6.6 days and regularly aggregates up to 42mm (1.65") of precipitation. Throughout the year, there are 125.3 rainfall days, and 411mm (16.18") of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall. December is the month with the most snowfall. Snow falls for 22.1 days and accumulates 236mm (9.29") of snow.Daylight
With an average of 5h and 36min of daylight, December has the shortest days of the year.On the first day of December in Suomenniemi, sunrise is at 08:57 and sunset at 15:01. On the last day of the month, sunrise is at 09:25 and sunset at 15:01 EET.
Sunshine
December has the least sunshine of the year, with an average of 0.7h of sunshine.UV index
January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Suomenniemi. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.Note: In December, the maximum UV index of 1 translates into these guidelines:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Suomenniemi?
What is the average humidity in December in Suomenniemi?
How much does it rain in Suomenniemi in December?
What is the snowiest month in Suomenniemi?
How many days does it snow in December in Suomenniemi?
What is the month with the shortest days in Suomenniemi?
How many hours of daylight does Suomenniemi have in December?
What time are sunrise and sunset in December in Suomenniemi?
What is the month with the least sunshine in Suomenniemi?
How many hours of sunshine does Suomenniemi have in December?
What are the months with the lowest UV index in Suomenniemi?
What is the UV index reading in December in Suomenniemi?
Average temperature in December
Suomenniemi, Finland
- Average high temperature in December: -2.1°C
The warmest month (with the highest average high temperature) is July (21.9°C).
The month with the lowest average high temperature is January (-5.3°C).
- Average low temperature in December: -5.1°C
The month with the highest average low temperature is July (12.6°C).
The coldest month (with the lowest average low temperature) is January (-9.2°C).
Average pressure in December
Suomenniemi, Finland
- Average pressure in December: 1008.5mbar
The month with the highest atmospheric pressure is May (1014.7mbar).
The month with the lowest atmospheric pressure is December (1008.5mbar).
Average wind speed in December
Suomenniemi, Finland
- Average wind speed in December: 12.9km/h
The windiest month (with the highest average wind speed) is December (12.9km/h).
The calmest months (with the lowest average wind speed) are July and August (10.1km/h).
Average humidity in December
Suomenniemi, Finland
- Average humidity in December: 93%
The months with the highest relative humidity are January and February (95%).
The month with the lowest relative humidity is May (66%).
Average rainfall in December
Suomenniemi, Finland
- Average rainfall in December: 42mm
The wettest month (with the highest rainfall) is July (44mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days in December
Suomenniemi, Finland
- Average rainfall days in December: 6.6 days
The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is February (2.7 days).
Average snowfall in December
Suomenniemi, Finland
- Average snowfall in December: 236mm
The month with the highest snowfall is December (236mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in December
Suomenniemi, Finland
- Average snowfall days in December: 22.1 days
The month with the highest number of snowfall days is January (24.4 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Suomenniemi, Finland
- Average daylight in December: 5h and 4min
The month with the longest days is June (Average daylight: 19h and 18min).
The month with the shortest days is December (Average daylight: 5h and 36min).
- Average sunshine in December: 0h and 4min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 0h and 42min).
Average sunshine days in December
Suomenniemi, Finland
- Average sunshine days in December: 6.5 days
The month with the most sunshine days is May (16 days).
The month with the least sunshine days is December (6.5 days).
Average UV index in December
Suomenniemi, 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, November and December (UV index 1).
Average cloud cover in December
Suomenniemi, Finland
- Average cloud cover in December: 81
The months with the most cloud cover are January and February (Cloud cover 82).
The month with the least cloud cover is July (Cloud cover 42).
Average visibility in December
Suomenniemi, Finland
- Average visibility in December: 7km
The months with the highest visibility are May, June, July and August (9km).
The months with the lowest visibility are January and February (5km).
Suomenniemi, Finland
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