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
A subtle shift in Mustamäe's weather is observed as November turns into December, with the average high temperature reducing from a wintry 4.5°C (40.1°F) to a still icy 1°C (33.8°F). The nights of December are characterized by an average low-temperature of -2.3°C (27.9°F), subtly descending from daytime highs.Humidity
The average relative humidity in December in Mustamäe is 89%.Rainfall
In December, the rain falls for 14.1 days. Throughout December, 50mm (1.97") of precipitation is accumulated. Throughout the year, in Mustamäe, there are 177 rainfall days, and 580mm (22.83") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Mustamäe. In Mustamäe, during December, snow falls for 17.7 days and regularly aggregates up to 149mm (5.87") of snow. Throughout the year, in Mustamäe, there are 90.6 snowfall days, and 792mm (31.18") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 6h and 12min of daylight.On the first day of the month, sunrise is at 08:52 and sunset at 15:28. On the last day of December, sunrise is at 09:18 and sunset at 15:30 EET.
Sunshine
With an average of 1.6h of sunshine, December has the least sunshine of the year.UV index
January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Mustamäe. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the average person.Note: The UV index of 1 during December translates into the following guidance:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Enhance your sun protection with tightly woven, yet airy clothing. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Mustamäe in December?
What is the average humidity in December in Mustamäe?
How many days does it rain in December in Mustamäe?
How much does it snow in Mustamäe in December?
What is the month with the shortest days in Mustamäe?
How many hours of daylight does Mustamäe have in December?
When is the sunrise / sunset in December in Mustamäe?
What is the month with the least sunshine in Mustamäe?
How many hours of sunshine does Mustamäe have in December?
What are the months with the lowest UV index in Mustamäe?
What is the UV index reading in December in Mustamäe?
Average temperature in December
Mustamäe, Estonia
- Average high temperature in December: 1°C
The warmest month (with the highest average high temperature) is July (21°C).
The month with the lowest average high temperature is January (-1.9°C).
- Average low temperature in December: -2.3°C
The month with the highest average low temperature is July (14.1°C).
The coldest months (with the lowest average low temperature) are January and February (-5.3°C).
Average pressure in December
Mustamäe, Estonia
- Average pressure in December: 1009.1mbar
The month with the highest atmospheric pressure is May (1015.1mbar).
The month with the lowest atmospheric pressure is December (1009.1mbar).
Average wind speed in December
Mustamäe, Estonia
- Average wind speed in December: 19.6km/h
The windiest month (with the highest average wind speed) is December (19.6km/h).
The calmest month (with the lowest average wind speed) is May (13.2km/h).
Average humidity in December
Mustamäe, Estonia
- Average humidity in December: 89%
The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is May (72%).
Average rainfall in December
Mustamäe, Estonia
- Average rainfall in December: 50mm
The wettest month (with the highest rainfall) is July (69mm).
The driest month (with the least rainfall) is April (30mm).
Average rainfall days in December
Mustamäe, Estonia
- Average rainfall days in December: 14.1 days
The months with the highest number of rainy days are July and August (19.6 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in December
Mustamäe, Estonia
- Average snowfall in December: 149mm
The month with the highest snowfall is February (178mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Mustamäe, Estonia
- Average snowfall days in December: 17.7 days
The month with the highest number of snowfall days is January (20.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mustamäe, Estonia
- Average daylight in December: 6h and 1min
The month with the longest days is June (Average daylight: 18h and 30min).
The month with the shortest days is December (Average daylight: 6h and 12min).
- Average sunshine in December: 1h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 1h and 36min).
Average sunshine days in December
Mustamäe, Estonia
- Average sunshine days in December: 3.9 days
The month with the most sunshine days is May (13.6 days).
The month with the least sunshine days is December (3.9 days).
Average UV index in December
Mustamäe, Estonia
- 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, November and December (UV index 1).
Average cloud cover in December
Mustamäe, Estonia
- Average cloud cover in December: 78
The month with the most cloud cover is December (Cloud cover 78).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in December
Mustamäe, Estonia
- Average visibility in December: 8km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, February, March and December (8km).
