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
Weather in December
Temperature
The onset of December entails a subtle temperature shift, as the average high-temperature eases from an icy 2.9°C (37.2°F) in November to a subzero cold -1.6°C (29.1°F). Grebly experiences a subtle drop in temperature during the December nights, recording an average of -5°C (23°F).Humidity
The average relative humidity in December is 92%.Rainfall
In December, the rain falls for 6.3 days. Throughout December, 28mm (1.1") of precipitation is accumulated. In Grebly, Russia, during the entire year, the rain falls for 131.2 days and collects up to 383mm (15.08") of precipitation.Snowfall
January through May, October through December are months with snowfall in Grebly. The month with the most snowfall in Grebly is December, when snow falls for 16.9 days and typically aggregates up to 137mm (5.39") of snow.Daylight
December has the shortest days of the year in Grebly, Russia, with an average of 7h and 0min of daylight.On the first day of the month, sunrise is at 09:06 and sunset at 16:25. On the last day of December, in Grebly, sunrise is at 09:30 and sunset at 16:29 MSK.
Sunshine
The months with the least sunshine in Grebly are January and December, with an average of 1.4h of sunshine.UV index
The months with the lowest UV index in Grebly are January through March, October through December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 1 during December leads to these instructions:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Enhance your sun protection with tightly woven, yet airy clothing. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Grebly in December?
What is the average humidity in December in Grebly?
How many days does it rain in December in Grebly?
When does it snow the most in Grebly?
How many days does it snow in December in Grebly?
What is the month with the shortest days in Grebly?
What is the average length of the day in December in Grebly?
What time are sunrise and sunset in December in Grebly?
What is the month with the least sunshine in Grebly?
How long on average sun shines in December in Grebly?
What are the months with the lowest UV index in Grebly?
How high is the UV index in December in Grebly?
Average temperature in December
Grebly, Russia
- Average high temperature in December: -1.6°C
The warmest month (with the highest average high temperature) is July (23.3°C).
The month with the lowest average high temperature is January (-4.7°C).
- Average low temperature in December: -5°C
The month with the highest average low temperature is July (13.1°C).
The coldest month (with the lowest average low temperature) is January (-8.8°C).
Average pressure in December
Grebly, Russia
- Average pressure in December: 1014mbar
The month with the highest atmospheric pressure is October (1017.6mbar).
The month with the lowest atmospheric pressure is July (1012.2mbar).
Average wind speed in December
Grebly, Russia
- Average wind speed in December: 15.2km/h
The windiest month (with the highest average wind speed) is December (15.2km/h).
The calmest month (with the lowest average wind speed) is July (10.5km/h).
Average humidity in December
Grebly, Russia
- Average humidity in December: 92%
The months with the highest relative humidity are January and February (93%).
The month with the lowest relative humidity is May (75%).
Average rainfall in December
Grebly, Russia
- Average rainfall in December: 28mm
The wettest month (with the highest rainfall) is July (57mm).
The driest month (with the least rainfall) is February (18mm).
Average rainfall days in December
Grebly, Russia
- Average rainfall days in December: 6.3 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (3.5 days).
Average snowfall in December
Grebly, Russia
- Average snowfall in December: 137mm
The month with the highest snowfall is December (137mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Grebly, Russia
- Average snowfall days in December: 16.9 days
The month with the highest number of snowfall days is January (17.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Grebly, Russia
- Average daylight in December: 7h and 0min
The month with the longest days is June (Average daylight: 17h and 36min).
The month with the shortest days is December (Average daylight: 7h and 0min).
- Average sunshine in December: 1h and 2min
The months with the most sunshine are June and July (Average sunshine: 11h and 24min).
The months with the least sunshine are January and December (Average sunshine: 1h and 24min).
Average sunshine days in December
Grebly, Russia
- Average sunshine days in December: 10.2 days
The month with the most sunshine days is October (15.5 days).
The month with the least sunshine days is December (10.2 days).
Average UV index in December
Grebly, 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, October, November and December (UV index 1).
Average cloud cover in December
Grebly, Russia
- Average cloud cover in December: 81
The months with the most cloud cover are January and December (Cloud cover 81).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in December
Grebly, Russia
- Average visibility in December: 8km
The months with the highest visibility are April, May, June, July, August and October (9km).
The months with the lowest visibility are January and February (7km).
Grebly, Russia
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