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 modest decline in the average high-temperature is seen during December, decreasing from 4.2°C (39.6°F) in November to a still cold 0.5°C (32.9°F). Käsmu's December nights experience a subtle temperature dip to an average of -1.9°C (28.6°F).Humidity
The average relative humidity in December in Käsmu, Estonia, is 88%.Rainfall
In Käsmu, in December, during 7.8 rainfall days, 21mm (0.83") of precipitation is typically accumulated. Throughout the year, in Käsmu, Estonia, there are 127.9 rainfall days, and 301mm (11.85") of precipitation is accumulated.Snowfall
Months with snowfall in Käsmu are January through May, October through December. In Käsmu, in December, snow falls for 13.1 days, with typically accumulated 75mm (2.95") of snow. In Käsmu, Estonia, during the entire year, snow falls for 73.9 days and aggregates up to 387mm (15.24") of snow.Daylight
December has the shortest days of the year in Käsmu, with an average of 6h and 12min of daylight.On the first day of the month, sunrise is at 08:48 and sunset at 15:22. On the last day of December, in Käsmu, sunrise is at 09:15 and sunset at 15:23 EET.
Sunshine
The month with the least sunshine is December, with an average of 1.5h of sunshine.UV index
The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for average individuals.Note: The daily high UV index of 2 during December translates into the following recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Be alert! Nearly double the UV rays 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 Käsmu?
What is the average humidity in December in Käsmu?
How many days does it rain in December in Käsmu?
How many days does it snow in December in Käsmu?
What is the month with the shortest days in Käsmu?
What is the average length of the day in December in Käsmu?
What time are sunrise and sunset in December in Käsmu?
What is the month with the least sunshine in Käsmu?
How long on average sun shines in December in Käsmu?
What is the UV index intensity in December in Käsmu?
Average temperature in December
Käsmu, Estonia
- Average high temperature in December: 0.5°C
The warmest month (with the highest average high temperature) is July (20.7°C).
The month with the lowest average high temperature is February (-2.3°C).
- Average low temperature in December: -1.9°C
The month with the highest average low temperature is July (14.4°C).
The coldest month (with the lowest average low temperature) is February (-5.5°C).
Average pressure in December
Käsmu, Estonia
- Average pressure in December: 1009.6mbar
The month with the highest atmospheric pressure is May (1015.1mbar).
The month with the lowest atmospheric pressure is December (1009.6mbar).
Average wind speed in December
Käsmu, Estonia
- Average wind speed in December: 20.2km/h
The windiest month (with the highest average wind speed) is December (20.2km/h).
The calmest month (with the lowest average wind speed) is May (12.9km/h).
Average humidity in December
Käsmu, Estonia
- Average humidity in December: 88%
The month with the highest relative humidity is February (92%).
The months with the lowest relative humidity are May and June (72%).
Average rainfall in December
Käsmu, Estonia
- Average rainfall in December: 21mm
The wettest month (with the highest rainfall) is August (39mm).
The driest months (with the least rainfall) are February and April (17mm).
Average rainfall days in December
Käsmu, Estonia
- Average rainfall days in December: 7.8 days
The month with the highest number of rainy days is August (15.2 days).
The month with the least rainy days is February (4.5 days).
Average snowfall in December
Käsmu, Estonia
- Average snowfall in December: 75mm
The month with the highest snowfall is January (77mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Käsmu, Estonia
- Average snowfall days in December: 13.1 days
The month with the highest number of snowfall days is January (16.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Käsmu, Estonia
- Average daylight in December: 6h and 1min
The month with the longest days is June (Average daylight: 18h and 36min).
The month with the shortest days is December (Average daylight: 6h and 12min).
- Average sunshine in December: 1h and 3min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 1h and 30min).
Average sunshine days in December
Käsmu, Estonia
- Average sunshine days in December: 10.4 days
The month with the most sunshine days is May (17.5 days).
The months with the least sunshine days are January and December (10.4 days).
Average UV index in December
Käsmu, Estonia
- Average UV index in December: 2
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 and November (UV index 1).
Average cloud cover in December
Käsmu, 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 July and August (Cloud cover 38).
Average visibility in December
Käsmu, Estonia
- Average visibility in December: 9km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, February and March (8km).
