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
Haili in December undergoes a slight reduction in the average high-temperature, shifting from November's wintry 4.2°C (39.6°F) to a still icy 0.5°C (32.9°F). Haili encounters a small divergence from daytime high temperatures, averaging a low-temperature of -1.9°C (28.6°F) during December nights.Humidity
In December, the average relative humidity in Haili is 88%.Rainfall
In Haili, Estonia, during December, the rain falls for 7.8 days and regularly aggregates up to 21mm (0.83") of precipitation. In Haili, Estonia, during the entire year, the rain falls for 127.9 days and collects up to 301mm (11.85") of precipitation.Snowfall
Months with snowfall are January through May, October through December. In December, in Haili, it is snowing for 13.1 days. Throughout December, 75mm (2.95") of snow is accumulated. Throughout the year, there are 73.9 snowfall days, and 387mm (15.24") 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 December in Haili, sunrise is at 08:47 and sunset at 15:21. On the last day of the month, sunrise is at 09:13 and sunset at 15:23 EET.
Sunshine
The month with the least sunshine in Haili is December, with an average of 1.5h of sunshine.UV index
In Haili, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for average individuals.Note: In December, an average UV index of 2 transforms into the following instructions:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Frequently asked questions
How cold is December in Haili?
What is the average humidity in December in Haili?
How much does it rain in Haili in December?
How much does it snow in Haili in December?
What is the month with the shortest days in Haili?
How many hours of daylight does Haili have in December?
When is the sunrise / sunset in December in Haili?
What is the month with the least sunshine in Haili?
How long on average sun shines in December in Haili?
What is the UV index reading in December in Haili?
Average temperature in December
Haili, 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
Haili, 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
Haili, 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
Haili, 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
Haili, 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
Haili, 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
Haili, 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
Haili, 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
Haili, 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
Haili, 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
Haili, 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
Haili, 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
Haili, 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).
Haili, Estonia
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