December weather forecastMustu, Estonia
December weather for Mustu, Estonia: December has the shortest days of the year in Mustu, Estonia, with an average of 6h and 18min of daylight. The months with the lowest UV index in Mustu, Estonia, are January through March, November and December, with an average maximum UV index of 1.
December
Weather in December
December, the first month of the winter in Mustu, is also an icy month, with an average temperature fluctuating between 0°C (32°F) and -3.7°C (25.3°F).Temperature
December's onset corresponds with a subtle shift in the average high-temperature, slightly moving from 3.9°C (39°F) in November to a still cold 0°C (32°F). Mustu marks an average drop to a freezing cold -3.7°C (25.3°F) during nighttime in December, following the high of the day.Humidity
In Mustu, the average relative humidity in December is 92%.Rainfall
In December, the rain falls for 11.7 days. Throughout December, 44mm (1.73") of precipitation is accumulated. Throughout the year, there are 161 rainfall days, and 505mm (19.88") of precipitation is accumulated.Snowfall
Months with snowfall in Mustu are January through May, October through December. In December, in Mustu, it is snowing for 16.9 days. Throughout December, 148mm (5.83") of snow is accumulated. In Mustu, during the entire year, snow falls for 85.8 days and aggregates up to 815mm (32.09") of snow.Daylight
With an average of 6h and 18min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 08:50 and sunset at 15:32. On the last day of the month, sunrise is at 09:16 and sunset at 15:34 EET.
Sunshine
December has the least sunshine of the year in Mustu, with an average of 1.4h 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. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index of 1 during December leads to these instructions:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Mustu, Estonia
- Average high temperature in December: 0°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 (-2.8°C).
- Average low temperature in December: -3.7°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 (-6.9°C).
Average pressure in December
Mustu, Estonia
- Average pressure in December: 1009.4mbar
The month with the highest atmospheric pressure is May (1015.1mbar).
The month with the lowest atmospheric pressure is December (1009.4mbar).
Average wind speed in December
Mustu, Estonia
- Average wind speed in December: 13.3km/h
The windiest month (with the highest average wind speed) is December (13.3km/h).
The calmest month (with the lowest average wind speed) is August (10.7km/h).
Average humidity in December
Mustu, Estonia
- Average humidity in December: 92%
The months with the highest relative humidity are January and February (93%).
The months with the lowest relative humidity are May and June (71%).
Average rainfall in December
Mustu, Estonia
- Average rainfall in December: 44mm
The wettest month (with the highest rainfall) is July (60mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in December
Mustu, Estonia
- Average rainfall days in December: 11.7 days
The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is February (5.7 days).
Average snowfall in December
Mustu, Estonia
- Average snowfall in December: 148mm
The month with the highest snowfall is February (203mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Mustu, Estonia
- Average snowfall days in December: 16.9 days
The month with the highest number of snowfall days is January (19.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mustu, Estonia
- Average daylight in December: 6h and 18min
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 24min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 1h and 24min).
Average sunshine days in December
Mustu, Estonia
- Average sunshine days in December: 6.1 days
The month with the most sunshine days is May (14.3 days).
The month with the least sunshine days is December (6.1 days).
Average UV index in December
Mustu, 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
Mustu, Estonia
- Average cloud cover in December: 82
The month with the most cloud cover is December (Cloud cover 82).
The months with the least cloud cover are May and July (Cloud cover 42).
Average visibility in December
Mustu, Estonia
- Average visibility in December: 7km
The months with the highest visibility are May, June and July (9km).
The month with the lowest visibility is February (6km).
