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 comes with a small reduction in the average high-temperature, subtly receding from a wintry 2.3°C (36.1°F) in November to a freezing cold -1.4°C (29.5°F). The nights of December are characterized by an average low-temperature of -5.1°C (22.8°F), subtly descending from daytime highs.Humidity
In December, the average relative humidity is 94%.Rainfall
In Artjärvi, Finland, in December, it is raining for 8.2 days, with typically 40mm (1.57") of accumulated precipitation. Throughout the year, there are 118.1 rainfall days, and 394mm (15.51") of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. In December, it is snowing for 18.9 days. Throughout December, 189mm (7.44") of snow is accumulated. In Artjärvi, during the entire year, snow falls for 93.7 days and aggregates up to 918mm (36.14") of snow.Daylight
With an average of 5h and 48min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 08:57 and sunset at 15:12. On the last day of December, sunrise is at 09:25 and sunset at 15:12 EET.
Sunshine
January and December, with an average of 1.5h of sunshine, are months with the least sunshine.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 reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the average person.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. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How much 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 Artjärvi have in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Artjärvi, Finland
- Average high temperature in December: -1.4°C
The warmest month (with the highest average high temperature) is July (22°C).
The month with the lowest average high temperature is January (-4.5°C).
- Average low temperature in December: -5.1°C
The month with the highest average low temperature is July (12.4°C).
The coldest month (with the lowest average low temperature) is January (-8.9°C).
Average pressure in December
Artjärvi, Finland
- Average pressure in December: 1008.4mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1008.4mbar).
Average wind speed in December
Artjärvi, Finland
- Average wind speed in December: 12km/h
The windiest month (with the highest average wind speed) is December (12km/h).
The calmest month (with the lowest average wind speed) is August (9.4km/h).
Average humidity in December
Artjärvi, Finland
- Average humidity in December: 94%
The month with the highest relative humidity is February (95%).
The month with the lowest relative humidity is May (67%).
Average rainfall in December
Artjärvi, Finland
- Average rainfall in December: 40mm
The wettest month (with the highest rainfall) is July (46mm).
The driest month (with the least rainfall) is April (24mm).
Average rainfall days in December
Artjärvi, Finland
- Average rainfall days in December: 8.2 days
The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is February (3.7 days).
Average snowfall in December
Artjärvi, Finland
- Average snowfall in December: 189mm
The month with the highest snowfall is January (196mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in December
Artjärvi, Finland
- Average snowfall days in December: 18.9 days
The months with the highest number of snowfall days are January and December (18.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Artjärvi, Finland
- Average daylight in December: 5h and 5min
The month with the longest days is June (Average daylight: 19h and 0min).
The month with the shortest days is December (Average daylight: 5h and 48min).
- Average sunshine in December: 1h and 3min
The month with the most sunshine is June (Average sunshine: 11h and 36min).
The months with the least sunshine are January and December (Average sunshine: 1h and 30min).
Average sunshine days in December
Artjärvi, Finland
- Average sunshine days in December: 8.4 days
The months with the most sunshine days are May and August (17.6 days).
The month with the least sunshine days is December (8.4 days).
Average UV index in December
Artjärvi, 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, November and December (UV index 1).
Average cloud cover in December
Artjärvi, Finland
- Average cloud cover in December: 80
The months with the most cloud cover are January and February (Cloud cover 81).
The month with the least cloud cover is August (Cloud cover 44).
Average visibility in December
Artjärvi, 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).
