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
With the arrival of December, Roostoja notices a mild change in the average high-temperature, sliding from November's wintry 3.5°C (38.3°F) to a subzero cold -0.7°C (30.7°F). Recording a slight drop from the daily maximum, Roostoja notes an average low temperature of -3.7°C (25.3°F) in the month of December.Humidity
The average relative humidity in December in Roostoja is 92%.Rainfall
In Roostoja, in December, during 10.3 rainfall days, 41mm (1.61") of precipitation is typically accumulated. In Roostoja, during the entire year, the rain falls for 155.2 days and collects up to 467mm (18.39") of precipitation.Snowfall
January through May, October through December are months with snowfall in Roostoja. In Roostoja, in December, snow falls for 18.3 days, with typically accumulated 176mm (6.93") of snow. In Roostoja, during the entire year, snow falls for 94.3 days and aggregates up to 818mm (32.2") of snow.Daylight
December has the shortest days of the year in Roostoja, with an average of 6h and 18min of daylight.On the first day of the month, sunrise is at 08:39 and sunset at 15:21. On the last day of December, sunrise is at 09:05 and sunset at 15:24 EET.
Sunshine
With an average of 1.7h of sunshine, December has the least sunshine of the year in Roostoja.UV index
January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Roostoja, Estonia. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for average individuals.Note: In December, a daily UV index of 1 turns into the following recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Experience reduced UV exposure by about half when donning a wide-brim hat. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Roostoja?
What is the average humidity in December in Roostoja?
How many days does it rain in December in Roostoja?
How much does it snow in Roostoja in December?
What is the month with the shortest days in Roostoja?
What is the average length of the day in December in Roostoja?
When is the sunrise / sunset in December in Roostoja?
What is the month with the least sunshine in Roostoja?
How long on average sun shines in December in Roostoja?
When is the lowest UV index in Roostoja?
What is the UV index intensity in December in Roostoja?
Average temperature in December
Roostoja, Estonia
- Average high temperature in December: -0.7°C
The warmest month (with the highest average high temperature) is July (22.8°C).
The month with the lowest average high temperature is January (-3.3°C).
- Average low temperature in December: -3.7°C
The month with the highest average low temperature is July (13°C).
The coldest month (with the lowest average low temperature) is January (-7.3°C).
Average pressure in December
Roostoja, Estonia
- Average pressure in December: 1010.4mbar
The months with the highest atmospheric pressure are May and October (1015.2mbar).
The month with the lowest atmospheric pressure is December (1010.4mbar).
Average wind speed in December
Roostoja, Estonia
- Average wind speed in December: 14.3km/h
The windiest month (with the highest average wind speed) is December (14.3km/h).
The calmest month (with the lowest average wind speed) is May (10.8km/h).
Average humidity in December
Roostoja, Estonia
- Average humidity in December: 92%
The month with the highest relative humidity is February (94%).
The month with the lowest relative humidity is May (70%).
Average rainfall in December
Roostoja, Estonia
- Average rainfall in December: 41mm
The wettest month (with the highest rainfall) is August (51mm).
The driest month (with the least rainfall) is April (30mm).
Average rainfall days in December
Roostoja, Estonia
- Average rainfall days in December: 10.3 days
The month with the highest number of rainy days is October (16.5 days).
The month with the least rainy days is February (6.3 days).
Average snowfall in December
Roostoja, Estonia
- Average snowfall in December: 176mm
The month with the highest snowfall is February (197mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Roostoja, Estonia
- Average snowfall days in December: 18.3 days
The month with the highest number of snowfall days is January (20.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Roostoja, Estonia
- Average daylight in December: 6h and 2min
The month with the longest days is June (Average daylight: 18h and 24min).
The month with the shortest days is December (Average daylight: 6h and 18min).
- Average sunshine in December: 1h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 1h and 42min).
Average sunshine days in December
Roostoja, Estonia
- Average sunshine days in December: 5.1 days
The month with the most sunshine days is May (15.4 days).
The month with the least sunshine days is December (5.1 days).
Average UV index in December
Roostoja, 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
Roostoja, 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 39).
Average visibility in December
Roostoja, Estonia
- Average visibility in December: 7km
The months with the highest visibility are May, June, July, August and September (9km).
The months with the lowest visibility are January and February (6km).
