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 transition into December is accompanied by a slight temperature decrease, with the average high-temperature shifting from an icy 1.8°C (35.2°F) in November to a freezing cold -2.1°C (28.2°F). Ristiina notes an average temperature descent to -5.1°C (22.8°F) in December, a small shift from its daytime peak.Humidity
In Ristiina, Finland, the average relative humidity in December is 93%.Rainfall
In December, in Ristiina, the rain falls for 6.6 days. Throughout December, 42mm (1.65") of precipitation is accumulated. In Ristiina, during the entire year, the rain falls for 125 days and collects up to 408mm (16.06") of precipitation.Snowfall
January through June, September through December are months with snowfall. December is the month with the most snowfall. Snow falls for 22.1 days and accumulates 236mm (9.29") of snow.Daylight
December has the shortest days of the year, with an average of 5h and 30min of daylight.On the first day of December in Ristiina, sunrise is at 09:00 and sunset at 15:00. On the last day of the month, sunrise is at 09:28 and sunset at 14:59 EET.
Sunshine
The month with the least sunshine is December, with an average of 0.8h of sunshine.UV index
January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Ristiina. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum UV index of 1 in December translates into the following recommendations:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Ristiina?
What is the average humidity in December in Ristiina?
How many days does it rain in December in Ristiina?
What is the snowiest month in Ristiina?
How much does it snow in Ristiina in December?
What is the month with the shortest days in Ristiina?
What is the average length of the day in December in Ristiina?
When is the sunrise / sunset in December in Ristiina?
What is the month with the least sunshine in Ristiina?
How long on average sun shines in December in Ristiina?
What are the months with the lowest UV index in Ristiina?
How high is the UV index in December in Ristiina?
Average temperature in December
Ristiina, Finland
- Average high temperature in December: -2.1°C
The warmest month (with the highest average high temperature) is July (21.9°C).
The month with the lowest average high temperature is January (-5.3°C).
- Average low temperature in December: -5.1°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 (-9.2°C).
Average pressure in December
Ristiina, Finland
- Average pressure in December: 1008.5mbar
The month with the highest atmospheric pressure is May (1014.7mbar).
The month with the lowest atmospheric pressure is December (1008.5mbar).
Average wind speed in December
Ristiina, Finland
- Average wind speed in December: 12.9km/h
The windiest month (with the highest average wind speed) is December (12.9km/h).
The calmest months (with the lowest average wind speed) are July and August (10.1km/h).
Average humidity in December
Ristiina, Finland
- Average humidity in December: 93%
The months with the highest relative humidity are January and February (95%).
The month with the lowest relative humidity is May (66%).
Average rainfall in December
Ristiina, Finland
- Average rainfall in December: 42mm
The wettest month (with the highest rainfall) is July (44mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days in December
Ristiina, Finland
- Average rainfall days in December: 6.6 days
The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is February (2.7 days).
Average snowfall in December
Ristiina, Finland
- Average snowfall in December: 236mm
The month with the highest snowfall is December (236mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in December
Ristiina, Finland
- Average snowfall days in December: 22.1 days
The month with the highest number of snowfall days is January (24.4 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Ristiina, Finland
- Average daylight in December: 5h and 3min
The month with the longest days is June (Average daylight: 19h and 18min).
The month with the shortest days is December (Average daylight: 5h and 30min).
- Average sunshine in December: 0h and 5min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 0h and 48min).
Average sunshine days in December
Ristiina, Finland
- Average sunshine days in December: 6.5 days
The month with the most sunshine days is May (16 days).
The month with the least sunshine days is December (6.5 days).
Average UV index in December
Ristiina, 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
Ristiina, Finland
- Average cloud cover in December: 81
The months with the most cloud cover are January and February (Cloud cover 82).
The month with the least cloud cover is July (Cloud cover 42).
Average visibility in December
Ristiina, Finland
- Average visibility in December: 7km
The months with the highest visibility are May, June, July and August (9km).
The months with the lowest visibility are January and February (5km).
