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
With the onset of December, Öllölä experiences a modest temperature adjustment, with the average high-temperature gently receding from a wintry 1°C (33.8°F) in November to a subzero cold -3.2°C (26.2°F). Öllölä sees a minor drop to an average minimum temperature of -6.6°C (20.1°F) during the night in the month of December.Humidity
The average relative humidity in December is 94%.Rainfall
In Öllölä, during December, the rain falls for 6 days and regularly aggregates up to 50mm (1.97") of precipitation. In Öllölä, Finland, during the entire year, the rain falls for 135 days and collects up to 525mm (20.67") of precipitation.Snowfall
Months with snowfall are January through June, September through December. The month with the most snowfall in Öllölä is December, when snow falls for 23.7 days and typically aggregates up to 302mm (11.89") of snow.Daylight
With an average of 5h and 12min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 08:54 and sunset at 14:37. On the last day of December, sunrise is at 09:24 and sunset at 14:35 EET.
Sunshine
The months with the least sunshine are January and December, with an average of 1.1h of sunshine.UV index
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 1 in December translates into these instructions:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Be cautious! The UV radiation from the Sun can be magnified almost twofold 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?
How much does it rain in December?
What is the snowiest month?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Öllölä have in December?
What time are sunrise and sunset in December?
What are the months with the least sunshine?
How many hours of sunshine does Öllölä have in December?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Öllölä, Finland
- Average high temperature in December: -3.2°C
The warmest month (with the highest average high temperature) is July (21.3°C).
The month with the lowest average high temperature is January (-6.4°C).
- Average low temperature in December: -6.6°C
The month with the highest average low temperature is July (12.3°C).
The coldest month (with the lowest average low temperature) is January (-10.8°C).
Average pressure in December
Öllölä, Finland
- Average pressure in December: 1008.9mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1008.9mbar).
Average wind speed in December
Öllölä, Finland
- Average wind speed in December: 12.3km/h
The windiest month (with the highest average wind speed) is December (12.3km/h).
The calmest month (with the lowest average wind speed) is July (9.6km/h).
Average humidity in December
Öllölä, Finland
- Average humidity in December: 94%
The month with the highest relative humidity is February (96%).
The months with the lowest relative humidity are May and June (68%).
Average rainfall in December
Öllölä, Finland
- Average rainfall in December: 50mm
The wettest month (with the highest rainfall) is July (60mm).
The driest month (with the least rainfall) is April (34mm).
Average rainfall days in December
Öllölä, Finland
- Average rainfall days in December: 6 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in December
Öllölä, Finland
- Average snowfall in December: 302mm
The month with the highest snowfall is December (302mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in December
Öllölä, Finland
- Average snowfall days in December: 23.7 days
The month with the highest number of snowfall days is December (23.7 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Öllölä, Finland
- Average daylight in December: 5h and 1min
The month with the longest days is June (Average daylight: 19h and 42min).
The month with the shortest days is December (Average daylight: 5h and 12min).
- Average sunshine in December: 1h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 1h and 6min).
Average sunshine days in December
Öllölä, Finland
- Average sunshine days in December: 6.6 days
The month with the most sunshine days is May (14.3 days).
The month with the least sunshine days is November (6.5 days).
Average UV index in December
Öllölä, 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, February, March, October, November and December (UV index 1).
Average cloud cover in December
Öllölä, Finland
- Average cloud cover in December: 84
The month with the most cloud cover is February (Cloud cover 85).
The month with the least cloud cover is July (Cloud cover 43).
Average visibility in December
Öllölä, Finland
- Average visibility in December: 6km
The months with the highest visibility are May, June, July and August (9km).
The months with the lowest visibility are January and February (5km).
