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 signifies a gentle decline in Karijärvi's average high-temperature, easing from a cold 2.5°C (36.5°F) in November to a subzero cold -1.2°C (29.8°F). The nights of December cool down to an average low of -4.6°C (23.7°F), subtly lower than daytime highs.Humidity
In December, the average relative humidity is 93%.Rainfall
In December, in Karijärvi, the rain falls for 8.5 days. Throughout December, 46mm (1.81") of precipitation is accumulated. Throughout the year, there are 131.9 rainfall days, and 451mm (17.76") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Karijärvi, in December, during 21.2 snowfall days, 224mm (8.82") of snow is typically accumulated. Throughout the year, there are 104.4 snowfall days, and 1093mm (43.03") of snow is accumulated.Daylight
With an average of 5h and 42min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 09:00 and sunset at 15:06. On the last day of the month, sunrise is at 09:27 and sunset at 15:07 EET.
Sunshine
With an average of 1.2h of sunshine, December has the least sunshine of the year.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum UV index of 1 in December translates into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
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?
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 many hours of sunshine does Karijärvi have in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Karijärvi, Finland
- Average high temperature in December: -1.2°C
The warmest month (with the highest average high temperature) is July (21.6°C).
The month with the lowest average high temperature is January (-4.3°C).
- Average low temperature in December: -4.6°C
The month with the highest average low temperature is July (13°C).
The coldest month (with the lowest average low temperature) is January (-8.3°C).
Average pressure in December
Karijärvi, Finland
- Average pressure in December: 1008.7mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1008.7mbar).
Average wind speed in December
Karijärvi, Finland
- Average wind speed in December: 13.8km/h
The windiest month (with the highest average wind speed) is December (13.8km/h).
The calmest month (with the lowest average wind speed) is August (10.7km/h).
Average humidity in December
Karijärvi, Finland
- Average humidity in December: 93%
The month with the highest relative humidity is February (95%).
The month with the lowest relative humidity is May (68%).
Average rainfall in December
Karijärvi, Finland
- Average rainfall in December: 46mm
The wettest month (with the highest rainfall) is July (51mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days in December
Karijärvi, Finland
- Average rainfall days in December: 8.5 days
The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is February (3.5 days).
Average snowfall in December
Karijärvi, Finland
- Average snowfall in December: 224mm
The month with the highest snowfall is February (231mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Karijärvi, Finland
- Average snowfall days in December: 21.2 days
The month with the highest number of snowfall days is January (21.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Karijärvi, Finland
- Average daylight in December: 5h and 4min
The month with the longest days is June (Average daylight: 19h and 12min).
The month with the shortest days is December (Average daylight: 5h and 42min).
- Average sunshine in December: 1h and 1min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 1h and 12min).
Average sunshine days in December
Karijärvi, Finland
- Average sunshine days in December: 5.5 days
The month with the most sunshine days is May (17.3 days).
The month with the least sunshine days is December (5.5 days).
Average UV index in December
Karijärvi, 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
Karijärvi, Finland
- Average cloud cover in December: 79
The months with the most cloud cover are January and February (Cloud cover 80).
The months with the least cloud cover are July and August (Cloud cover 40).
Average visibility in December
Karijärvi, Finland
- Average visibility in December: 7km
The months with the highest visibility are May, June, July, August and September (9km).
The months with the lowest visibility are January, February and March (6km).
