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
Weather in December
Temperature
Manni's transition into December involves a gentle shift in temperature, receding from a wintry 4.6°C (40.3°F) in November to a still cold 1°C (33.8°F). During the nights of December, Manni records an average temperature of -2.5°C (27.5°F), a minor drop from daytime peaks.Humidity
The average relative humidity in December is 90%.Rainfall
In Manni, in December, during 15 rainfall days, 55mm (2.17") of precipitation is typically accumulated. Throughout the year, there are 175.8 rainfall days, and 570mm (22.44") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In December, it is snowing for 16.9 days. Throughout December, 139mm (5.47") of snow is accumulated. In Manni, during the entire year, snow falls for 84.5 days and aggregates up to 726mm (28.58") of snow.Daylight
With an average of 6h and 24min of daylight, December has the shortest days of the year in Manni.On the first day of the month, sunrise is at 08:48 and sunset at 15:34. On the last day of December, sunrise is at 09:13 and sunset at 15:37 EET.
Sunshine
With an average of 1.7h of sunshine, December has the least sunshine of the year.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 1 in December translates into this advice:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Manni?
What is the average humidity in December in Manni?
How many days does it rain in December in Manni?
How much does it snow in Manni in December?
What is the month with the shortest days in Manni?
How many hours of daylight does Manni have in December?
When are sunrise and sunset in December in Manni?
What is the month with the least sunshine in Manni?
How long on average sun shines in December in Manni?
What is the month with the lowest UV index in Manni?
How high is the UV index in December in Manni?
Average temperature in December
Manni, Estonia
- Average high temperature in December: 1°C
The warmest month (with the highest average high temperature) is July (22.5°C).
The month with the lowest average high temperature is January (-2.1°C).
- Average low temperature in December: -2.5°C
The month with the highest average low temperature is July (13.3°C).
The coldest month (with the lowest average low temperature) is January (-6.3°C).
Average pressure in December
Manni, Estonia
- Average pressure in December: 1009.9mbar
The month with the highest atmospheric pressure is May (1015.3mbar).
The month with the lowest atmospheric pressure is December (1009.9mbar).
Average wind speed in December
Manni, Estonia
- Average wind speed in December: 16km/h
The windiest month (with the highest average wind speed) is December (16km/h).
The calmest month (with the lowest average wind speed) is May (11.7km/h).
Average humidity in December
Manni, Estonia
- Average humidity in December: 90%
The month with the highest relative humidity is February (93%).
The months with the lowest relative humidity are May and June (72%).
Average rainfall in December
Manni, Estonia
- Average rainfall in December: 55mm
The wettest month (with the highest rainfall) is August (59mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in December
Manni, Estonia
- Average rainfall days in December: 15 days
The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is February (7.6 days).
Average snowfall in December
Manni, Estonia
- Average snowfall in December: 139mm
The month with the highest snowfall is February (192mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Manni, Estonia
- Average snowfall days in December: 16.9 days
The month with the highest number of snowfall days is January (19.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Manni, 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 months with the most sunshine are June and July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 1h and 42min).
Average sunshine days in December
Manni, Estonia
- Average sunshine days in December: 4 days
The month with the most sunshine days is May (13.8 days).
The month with the least sunshine days is December (4 days).
Average UV index in December
Manni, 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
Manni, Estonia
- Average cloud cover in December: 79
The month with the most cloud cover is December (Cloud cover 79).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility in December
Manni, Estonia
- Average visibility in December: 8km
The months with the highest visibility are May, June, July, August, September and October (9km).
The months with the lowest visibility are January, February and March (7km).
Manni, Estonia
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