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 onset of December, the average high-temperature subtly recedes from November's cold 3.5°C (38.3°F) to a subzero cold -0.7°C (30.7°F). Throughout December, Siimusti's nights experience a slight temperature dip to -3.7°C (25.3°F).Humidity
In December, the average relative humidity is 92%.Rainfall
In December, in Siimusti, the rain falls for 10.3 days. Throughout December, 41mm (1.61") of precipitation is accumulated. In Siimusti, during the entire year, the rain falls for 155.2 days and collects up to 467mm (18.39") of precipitation.Snowfall
Months with snowfall in Siimusti are January through May, October through December. In Siimusti, in December, during 18.3 snowfall days, 176mm (6.93") of snow is typically accumulated. Throughout the year, there are 94.3 snowfall days, and 818mm (32.2") of snow is accumulated.Daylight
With an average of 6h and 24min of daylight, December has the shortest days of the year in Siimusti.On the first day of the month, sunrise is at 08:40 and sunset at 15:27. On the last day of December, in Siimusti, sunrise is at 09:05 and sunset at 15:29 EET.
Sunshine
With an average of 1.7h of sunshine, December has the least sunshine of the year in Siimusti.UV index
January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Siimusti. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 1 in December interprets into the following recommendations:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Siimusti?
What is the average humidity in December in Siimusti?
How much does it rain in Siimusti in December?
How many days does it snow in December in Siimusti?
What is the month with the shortest days in Siimusti?
What is the average length of the day in December in Siimusti?
When is the sunrise / sunset in December in Siimusti?
What is the month with the least sunshine in Siimusti?
How long on average sun shines in December in Siimusti?
What is the month with the lowest UV index in Siimusti?
How high is the UV index in December in Siimusti?
Average temperature in December
Siimusti, 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
Siimusti, 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
Siimusti, 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
Siimusti, 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
Siimusti, 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
Siimusti, 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
Siimusti, 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
Siimusti, 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
Siimusti, Estonia
- Average daylight in December: 6h and 2min
The month with the longest days is June (Average daylight: 18h and 18min).
The month with the shortest days is December (Average daylight: 6h and 24min).
- 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
Siimusti, 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
Siimusti, 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
Siimusti, 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
Siimusti, 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).
