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
The start of December comes with a small reduction in the average high-temperature, subtly receding from 3.8°C (38.8°F) in November to a still wintry 0.3°C (32.5°F). During the nights of December, Yyteri records an average low-temperature of -2.5°C (27.5°F), reflecting a modest decrease from daytime highs.Humidity
In Yyteri, the average relative humidity in December is 89%.Rainfall
In Yyteri, during December, the rain falls for 11.5 days and regularly aggregates up to 51mm (2.01") of precipitation. Throughout the year, there are 154.3 rainfall days, and 508mm (20") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Yyteri. In Yyteri, during December, snow falls for 15.9 days and regularly aggregates up to 142mm (5.59") of snow. Throughout the year, in Yyteri, there are 82.2 snowfall days, and 699mm (27.52") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 5h and 30min of daylight.On the first day of December, sunrise is at 09:23 and sunset at 15:22. On the last day of the month, sunrise is at 09:51 and sunset at 15:22 EET.
Sunshine
The month with the least sunshine is December, with an average of 2h of sunshine.UV index
The months with the lowest UV index in Yyteri are January through March and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum UV index of 1 in December translates into the following recommendations:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Always opt for UVA and UVB-resistant sunglasses on radiant days. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Frequently asked questions
How cold is it in Yyteri in December?
What is the average humidity in December in Yyteri?
How much does it rain in Yyteri in December?
How many days does it snow in December in Yyteri?
What is the month with the shortest days in Yyteri?
How many hours of daylight does Yyteri have in December?
When are sunrise and sunset in December in Yyteri?
What is the month with the least sunshine in Yyteri?
How many hours of sunshine does Yyteri have in December?
What are the months with the lowest UV index in Yyteri?
What is the UV index intensity in December in Yyteri?
Average temperature in December
Yyteri, Finland
- Average high temperature in December: 0.3°C
The warmest month (with the highest average high temperature) is July (20.7°C).
The month with the lowest average high temperature is January (-2.3°C).
- Average low temperature in December: -2.5°C
The month with the highest average low temperature is July (13.4°C).
The coldest month (with the lowest average low temperature) is January (-6°C).
Average pressure in December
Yyteri, Finland
- Average pressure in December: 1006.8mbar
The month with the highest atmospheric pressure is May (1014.7mbar).
The month with the lowest atmospheric pressure is December (1006.8mbar).
Average wind speed in December
Yyteri, Finland
- Average wind speed in December: 16.6km/h
The windiest month (with the highest average wind speed) is December (16.6km/h).
The calmest month (with the lowest average wind speed) is July (12.6km/h).
Average humidity in December
Yyteri, Finland
- Average humidity in December: 89%
The month with the highest relative humidity is February (92%).
The month with the lowest relative humidity is May (69%).
Average rainfall in December
Yyteri, Finland
- Average rainfall in December: 51mm
The wettest month (with the highest rainfall) is July (63mm).
The driest months (with the least rainfall) are March and April (31mm).
Average rainfall days in December
Yyteri, Finland
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in December
Yyteri, Finland
- Average snowfall in December: 142mm
The month with the highest snowfall is February (163mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Yyteri, Finland
- Average snowfall days in December: 15.9 days
The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Yyteri, Finland
- Average daylight in December: 5h and 3min
The month with the longest days is June (Average daylight: 19h and 24min).
The month with the shortest days is December (Average daylight: 5h and 30min).
- Average sunshine in December: 2h and 0min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 2h and 0min).
Average sunshine days in December
Yyteri, Finland
- Average sunshine days in December: 8.7 days
The month with the most sunshine days is May (14.2 days).
The month with the least sunshine days is November (8.5 days).
Average UV index in December
Yyteri, 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
Yyteri, Finland
- Average cloud cover in December: 71
The months with the most cloud cover are January, February and December (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility in December
Yyteri, Finland
- Average visibility in December: 8km
The month with the highest visibility is June (10km).
The month with the lowest visibility is February (7km).
Yyteri, Finland
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