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 minor decrease in the average high-temperature is observed during December, shifting from an icy 3.5°C (38.3°F) in November to a subzero cold -0.4°C (31.3°F). December registers an average low temperature of -3.9°C (25°F), subtly lower than the daytime maximum.Humidity
The average relative humidity in December is 92%.Rainfall
In Supa, in December, it is raining for 10.9 days, with typically 35mm (1.38") of accumulated precipitation. In Supa, during the entire year, the rain falls for 164.3 days and collects up to 495mm (19.49") of precipitation.Snowfall
Months with snowfall in Supa are January through May, October through December. In Supa, during December, snow falls for 18.5 days and regularly aggregates up to 153mm (6.02") of snow. In Supa, during the entire year, snow falls for 87.8 days and aggregates up to 763mm (30.04") of snow.Daylight
With an average of 6h and 36min of daylight, December has the shortest days of the year in Supa, Estonia.On the first day of the month, sunrise is at 08:34 and sunset at 15:34. On the last day of December, sunrise is at 08:59 and sunset at 15:37 EET.
Sunshine
December has the least sunshine of the year in Supa, with an average of 1.8h 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 the ordinary person.Note: The UV index of 1 in December translates into these instructions:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Supa?
What is the average humidity in December in Supa?
How many days does it rain in December in Supa?
How many days does it snow in December in Supa?
What is the month with the shortest days in Supa?
What is the average length of the day in December in Supa?
When is the sunrise / sunset in December in Supa?
What is the month with the least sunshine in Supa?
How long on average sun shines in December in Supa?
When is the lowest UV index in Supa?
What is the UV index intensity in December in Supa?
Average temperature in December
Supa, Estonia
- Average high temperature in December: -0.4°C
The warmest month (with the highest average high temperature) is July (23.3°C).
The month with the lowest average high temperature is January (-3.2°C).
- Average low temperature in December: -3.9°C
The month with the highest average low temperature is July (12.6°C).
The coldest month (with the lowest average low temperature) is January (-7.7°C).
Average pressure in December
Supa, Estonia
- Average pressure in December: 1011.2mbar
The month with the highest atmospheric pressure is October (1015.9mbar).
The month with the lowest atmospheric pressure is December (1011.2mbar).
Average wind speed in December
Supa, Estonia
- Average wind speed in December: 13.7km/h
The windiest month (with the highest average wind speed) is December (13.7km/h).
The calmest month (with the lowest average wind speed) is August (10.6km/h).
Average humidity in December
Supa, 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 (72%).
Average rainfall in December
Supa, Estonia
- Average rainfall in December: 35mm
The wettest month (with the highest rainfall) is July (56mm).
The driest month (with the least rainfall) is April (28mm).
Average rainfall days in December
Supa, Estonia
- Average rainfall days in December: 10.9 days
The month with the highest number of rainy days is July (18.4 days).
The month with the least rainy days is February (6.4 days).
Average snowfall in December
Supa, Estonia
- Average snowfall in December: 153mm
The month with the highest snowfall is February (199mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Supa, Estonia
- Average snowfall days in December: 18.5 days
The month with the highest number of snowfall days is January (20.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Supa, Estonia
- Average daylight in December: 6h and 4min
The month with the longest days is June (Average daylight: 18h and 0min).
The month with the shortest days is December (Average daylight: 6h and 36min).
- Average sunshine in December: 1h and 5min
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 48min).
Average sunshine days in December
Supa, Estonia
- Average sunshine days in December: 4.9 days
The month with the most sunshine days is May (12.5 days).
The month with the least sunshine days is December (4.9 days).
Average UV index in December
Supa, 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
Supa, Estonia
- Average cloud cover in December: 81
The month with the most cloud cover is December (Cloud cover 81).
The months with the least cloud cover are May and July (Cloud cover 41).
Average visibility in December
Supa, Estonia
- Average visibility in December: 7km
The months with the highest visibility are May, June and July (9km).
The months with the lowest visibility are January and February (6km).
