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
The start of December involves a subtle temperature drop, shifting from a cold 1.3°C (34.3°F) in November to a freezing cold -2.6°C (27.3°F). Lautiosaari, during the December nights, maintains an average temperature of -6°C (21.2°F), closely aligned with its daytime readings.Humidity
In Lautiosaari, the average relative humidity in December is 91%.Rainfall
In December, in Lautiosaari, the rain falls for 6.2 days. Throughout December, 47mm (1.85") of precipitation is accumulated. Throughout the year, there are 127 rainfall days, and 472mm (18.58") of precipitation is accumulated.Snowfall
Months with snowfall are January through June, October through December. In December, it is snowing for 18 days. Throughout December, 196mm (7.72") of snow is accumulated. Throughout the year, there are 98.7 snowfall days, and 1035mm (40.75") of snow is accumulated.Daylight
With an average of 3h and 18min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 10:06 and sunset at 14:15. On the last day of December, sunrise is at 10:45 and sunset at 14:04 EET.
Sunshine
The month with the least sunshine is December, with an average of 1.1h of sunshine.UV index
The months with the lowest UV index are January, March, October and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The average daily UV index of 1 in December transforms into the following instructions:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December in Lautiosaari?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Lautiosaari have 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?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Lautiosaari, Finland
- Average high temperature in December: -2.6°C
The warmest month (with the highest average high temperature) is July (17.8°C).
The month with the lowest average high temperature is January (-6.3°C).
- Average low temperature in December: -6°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 (-10.7°C).
Average pressure in December
Lautiosaari, Finland
- Average pressure in December: 1004.9mbar
The month with the highest atmospheric pressure is May (1013.9mbar).
The month with the lowest atmospheric pressure is December (1004.9mbar).
Average wind speed in December
Lautiosaari, Finland
- Average wind speed in December: 17.2km/h
The windiest month (with the highest average wind speed) is November (17.7km/h).
The calmest month (with the lowest average wind speed) is April (12.4km/h).
Average humidity in December
Lautiosaari, Finland
- Average humidity in December: 91%
The months with the highest relative humidity are January and February (94%).
The month with the lowest relative humidity is June (71%).
Average rainfall in December
Lautiosaari, Finland
- Average rainfall in December: 47mm
The wettest month (with the highest rainfall) is August (53mm).
The driest month (with the least rainfall) is April (28mm).
Average rainfall days in December
Lautiosaari, Finland
- Average rainfall days in December: 6.2 days
The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in December
Lautiosaari, Finland
- Average snowfall in December: 196mm
The month with the highest snowfall is March (228mm).
The months with the least snowfall are July, August and September (0mm).
Average snowfall days in December
Lautiosaari, Finland
- Average snowfall days in December: 18 days
The month with the highest number of snowfall days is January (18.8 days).
The months with the least snowfall days are July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Lautiosaari, Finland
- Average daylight in December: 3h and 2min
The month with the longest days is July (Average daylight: 20h and 42min).
The month with the shortest days is December (Average daylight: 3h and 18min).
- Average sunshine in December: 1h and 1min
The month with the most sunshine is July (Average sunshine: 12h and 18min).
The month with the least sunshine is December (Average sunshine: 1h and 6min).
Average sunshine days in December
Lautiosaari, Finland
- Average sunshine days in December: 9.9 days
The month with the most sunshine days is October (13.9 days).
The month with the least sunshine days is December (9.9 days).
Average UV index in December
Lautiosaari, 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, March, October and December (UV index 1).
Average cloud cover in December
Lautiosaari, Finland
- Average cloud cover in December: 72
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is July (Cloud cover 40).
Average visibility in December
Lautiosaari, Finland
- Average visibility in December: 8km
The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January, February, March and April (7km).
