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 onset of December entails a subtle temperature shift, as the average high-temperature eases from a subzero cold -0.9°C (30.4°F) in November to a still freezing cold -4.9°C (23.2°F). Nighttime temperatures in Kostomuksha record an average of -8.8°C (16.2°F) throughout December.Humidity
In Kostomuksha, the average relative humidity in December is 95%.Rainfall
In Kostomuksha, Russia, during December, the rain falls for 2.5 days and regularly aggregates up to 34mm (1.34") of precipitation. Throughout the year, in Kostomuksha, there are 110.6 rainfall days, and 413mm (16.26") of precipitation is accumulated.Snowfall
Months with snowfall are January through June, September through December. December is the month with the most snowfall. Snow falls for 23.3 days and accumulates 251mm (9.88") of snow.Daylight
December has the shortest days of the year in Kostomuksha, with an average of 4h and 6min of daylight.On the first day of the month, sunrise is at 10:22 and sunset at 15:10. On the last day of December, in Kostomuksha, sunrise is at 10:57 and sunset at 15:04 MSK.
Sunshine
December has the least sunshine of the year, with an average of 0.7h of sunshine.UV index
January through April, October through December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high UV index of 1 in December translates into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. When the Sun is at its strongest around midday, find shade and limit exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Kostomuksha in December?
What is the average humidity in December in Kostomuksha?
How many days does it rain in December in Kostomuksha?
When does it snow the most in Kostomuksha?
How many days does it snow in December in Kostomuksha?
What is the month with the shortest days in Kostomuksha?
How many hours of daylight does Kostomuksha have in December?
When is the sunrise / sunset in December in Kostomuksha?
What is the month with the least sunshine in Kostomuksha?
How many hours of sunshine does Kostomuksha have in December?
When is the lowest UV index in Kostomuksha?
How high is the UV index in December in Kostomuksha?
Average temperature in December
Kostomuksha, Russia
- Average high temperature in December: -4.9°C
The warmest month (with the highest average high temperature) is July (20.3°C).
The month with the lowest average high temperature is January (-7.9°C).
- Average low temperature in December: -8.8°C
The month with the highest average low temperature is July (11.3°C).
The coldest month (with the lowest average low temperature) is January (-13°C).
Average pressure in December
Kostomuksha, Russia
- Average pressure in December: 1006.9mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1006.9mbar).
Average wind speed in December
Kostomuksha, Russia
- Average wind speed in December: 12.4km/h
The windiest month (with the highest average wind speed) is November (12.7km/h).
The calmest month (with the lowest average wind speed) is July (10.3km/h).
Average humidity in December
Kostomuksha, Russia
- 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 (68%).
Average rainfall in December
Kostomuksha, Russia
- Average rainfall in December: 34mm
The wettest month (with the highest rainfall) is July (55mm).
The driest months (with the least rainfall) are February and March (24mm).
Average rainfall days in December
Kostomuksha, Russia
- Average rainfall days in December: 2.5 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is January (1.6 days).
Average snowfall in December
Kostomuksha, Russia
- Average snowfall in December: 251mm
The month with the highest snowfall is December (251mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in December
Kostomuksha, Russia
- Average snowfall days in December: 23.3 days
The month with the highest number of snowfall days is December (23.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Kostomuksha, Russia
- 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 6min).
- Average sunshine in December: 0h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 0h and 42min).
Average sunshine days in December
Kostomuksha, Russia
- Average sunshine days in December: 8.1 days
The month with the most sunshine days is June (14.4 days).
The month with the least sunshine days is December (8.1 days).
Average UV index in December
Kostomuksha, Russia
- 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, April, October, November and December (UV index 1).
Average cloud cover in December
Kostomuksha, Russia
- Average cloud cover in December: 82
The month with the most cloud cover is February (Cloud cover 85).
The month with the least cloud cover is July (Cloud cover 47).
Average visibility in December
Kostomuksha, Russia
- Average visibility in December: 6km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January and February (5km).
