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
December marks a gentle change in average high-temperature, declining from November's wintry 3.6°C (38.5°F) to a subzero cold -0.3°C (31.5°F). During the nights of December, Rulli maintains an almost steady temperature with an average low of -3.9°C (25°F).Humidity
In Rulli, Estonia, the average relative humidity in December is 92%.Rainfall
In Rulli, Estonia, in December, during 12.3 rainfall days, 45mm (1.77") of precipitation is typically accumulated. Throughout the year, in Rulli, there are 161.5 rainfall days, and 516mm (20.31") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Rulli, in December, during 19.5 snowfall days, 173mm (6.81") of snow is typically accumulated. In Rulli, during the entire year, snow falls for 92.6 days and aggregates up to 841mm (33.11") of snow.Daylight
December has the shortest days of the year in Rulli, with an average of 6h and 36min of daylight.On the first day of December in Rulli, Estonia, sunrise is at 08:36 and sunset at 15:33. On the last day of the month, sunrise is at 09:01 and sunset at 15:36 EET.
Sunshine
The month with the least sunshine is December, with an average of 1.6h 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 Rulli. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the average person.Note: An average UV index of 1 in December transforms into this advice:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. The Sun's radiation is especially intense around midday; try to stay in shade during this period. During bright days, sunglasses that offer UVA and UVB defense are recommended. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Rulli in December?
What is the average humidity in December in Rulli?
How many days does it rain in December in Rulli?
How many days does it snow in December in Rulli?
What is the month with the shortest days in Rulli?
How many hours of daylight does Rulli have in December?
When are sunrise and sunset in December in Rulli?
What is the month with the least sunshine in Rulli?
How long on average sun shines in December in Rulli?
What are the months with the lowest UV index in Rulli?
What is the UV index reading in December in Rulli?
Average temperature in December
Rulli, Estonia
- Average high temperature in December: -0.3°C
The warmest month (with the highest average high temperature) is July (22.9°C).
The month with the lowest average high temperature is January (-3°C).
- Average low temperature in December: -3.9°C
The month with the highest average low temperature is July (12.3°C).
The coldest month (with the lowest average low temperature) is January (-7.3°C).
Average pressure in December
Rulli, Estonia
- Average pressure in December: 1010.4mbar
The months with the highest atmospheric pressure are May and October (1015.3mbar).
The month with the lowest atmospheric pressure is December (1010.4mbar).
Average wind speed in December
Rulli, Estonia
- Average wind speed in December: 13.6km/h
The windiest month (with the highest average wind speed) is December (13.6km/h).
The calmest month (with the lowest average wind speed) is August (10.6km/h).
Average humidity in December
Rulli, Estonia
- Average humidity in December: 92%
The month with the highest relative humidity is February (94%).
The months with the lowest relative humidity are May and June (72%).
Average rainfall in December
Rulli, Estonia
- Average rainfall in December: 45mm
The wettest month (with the highest rainfall) is July (57mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in December
Rulli, Estonia
- Average rainfall days in December: 12.3 days
The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is February (6.3 days).
Average snowfall in December
Rulli, Estonia
- Average snowfall in December: 173mm
The month with the highest snowfall is February (223mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Rulli, Estonia
- Average snowfall days in December: 19.5 days
The month with the highest number of snowfall days is January (20.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Rulli, Estonia
- Average daylight in December: 6h and 4min
The month with the longest days is June (Average daylight: 18h and 6min).
The month with the shortest days is December (Average daylight: 6h and 36min).
- Average sunshine in December: 1h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 1h and 36min).
Average sunshine days in December
Rulli, Estonia
- Average sunshine days in December: 4.8 days
The month with the most sunshine days is May (14 days).
The month with the least sunshine days is December (4.8 days).
Average UV index in December
Rulli, Estonia
- 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
Rulli, Estonia
- Average cloud cover in December: 81
The month with the most cloud cover is December (Cloud cover 81).
The month with the least cloud cover is July (Cloud cover 41).
Average visibility in December
Rulli, Estonia
- Average visibility in December: 7km
The months with the highest visibility are May, June and July (9km).
The months with the lowest visibility are January and February (6km).
