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
Ristijärvi records a mild change in average high-temperature during December, easing from a cold 0.1°C (32.2°F) in November to a freezing cold -4.1°C (24.6°F). Ristijärvi observes a minimal variance in temperature, with a consistent average low of -7.7°C (18.1°F) during the nights of December.Humidity
In Ristijärvi, the average relative humidity in December is 95%.Rainfall
In Ristijärvi, in December, it is raining for 4.4 days, with typically 26mm (1.02") of accumulated precipitation. Throughout the year, in Ristijärvi, there are 123.8 rainfall days, and 364mm (14.33") of precipitation is accumulated.Snowfall
Months with snowfall in Ristijärvi, Finland, are January through June, September through December. In Ristijärvi, in December, snow falls for 23.4 days, with typically accumulated 157mm (6.18") of snow. In Ristijärvi, during the entire year, snow falls for 126.2 days and aggregates up to 903mm (35.55") of snow.Daylight
December has the shortest days of the year in Ristijärvi, with an average of 4h and 12min of daylight.On the first day of the month, sunrise is at 09:31 and sunset at 14:21. On the last day of December, sunrise is at 10:05 and sunset at 14:15 EET.
Sunshine
The month with the least sunshine is December, with an average of 0.7h of sunshine.UV index
The months with the lowest UV index in Ristijärvi are January through March, October through December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the average person.Note: The average daily UV index of 1 in December transforms into the following instructions:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Ristijärvi?
What is the average humidity in December in Ristijärvi?
How many days does it rain in December in Ristijärvi?
How many days does it snow in December in Ristijärvi?
What is the month with the shortest days in Ristijärvi?
What is the average length of the day in December in Ristijärvi?
When are sunrise and sunset in December in Ristijärvi?
What is the month with the least sunshine in Ristijärvi?
How long on average sun shines in December in Ristijärvi?
What are the months with the lowest UV index in Ristijärvi?
What is the UV index intensity in December in Ristijärvi?
Average temperature in December
Ristijärvi, Finland
- Average high temperature in December: -4.1°C
The warmest month (with the highest average high temperature) is July (20.5°C).
The month with the lowest average high temperature is January (-7.3°C).
- Average low temperature in December: -7.7°C
The month with the highest average low temperature is July (11.6°C).
The coldest month (with the lowest average low temperature) is January (-11.6°C).
Average pressure in December
Ristijärvi, Finland
- Average pressure in December: 1006.7mbar
The month with the highest atmospheric pressure is May (1014.3mbar).
The month with the lowest atmospheric pressure is December (1006.7mbar).
Average wind speed in December
Ristijärvi, Finland
- Average wind speed in December: 13.1km/h
The windiest months (with the highest average wind speed) are November and December (13.1km/h).
The calmest month (with the lowest average wind speed) is July (10km/h).
Average humidity in December
Ristijärvi, Finland
- Average humidity in December: 95%
The months with the highest relative humidity are January and February (96%).
The month with the lowest relative humidity is June (69%).
Average rainfall in December
Ristijärvi, Finland
- Average rainfall in December: 26mm
The wettest month (with the highest rainfall) is July (48mm).
The driest months (with the least rainfall) are February and April (21mm).
Average rainfall days in December
Ristijärvi, Finland
- Average rainfall days in December: 4.4 days
The month with the highest number of rainy days is August (17.3 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in December
Ristijärvi, Finland
- Average snowfall in December: 157mm
The month with the highest snowfall is March (160mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in December
Ristijärvi, Finland
- Average snowfall days in December: 23.4 days
The month with the highest number of snowfall days is December (23.4 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Ristijärvi, Finland
- Average daylight in December: 4h and 1min
The month with the longest days is June (Average daylight: 21h and 12min).
The month with the shortest days is December (Average daylight: 4h and 12min).
- Average sunshine in December: 0h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 0h and 42min).
Average sunshine days in December
Ristijärvi, Finland
- Average sunshine days in December: 8.1 days
The month with the most sunshine days is May (13 days).
The month with the least sunshine days is April (7.6 days).
Average UV index in December
Ristijärvi, 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
Ristijärvi, Finland
- Average cloud cover in December: 84
The months with the most cloud cover are January, February and December (Cloud cover 84).
The month with the least cloud cover is July (Cloud cover 46).
Average visibility in December
Ristijärvi, 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).
