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
The advent of December brings a slight shift in average high-temperature, moving from an icy 3.3°C (37.9°F) in November to a subzero cold -1°C (30.2°F). A consistent average low-temperature of -4.3°C (24.3°F), with a minor variance from the daytime highs, is noted in Aarna during the nights of December.Humidity
In December, the average relative humidity in Aarna is 92%.Rainfall
In Aarna, during December, the rain falls for 9.5 days and regularly aggregates up to 36mm (1.42") of precipitation. Throughout the year, in Aarna, there are 160.5 rainfall days, and 490mm (19.29") of precipitation is accumulated.Snowfall
Months with snowfall in Aarna, Estonia, are January through May, October through December. In Aarna, in December, during 19.2 snowfall days, 170mm (6.69") of snow is typically accumulated. In Aarna, during the entire year, snow falls for 90 days and aggregates up to 807mm (31.77") of snow.Daylight
The month with the shortest days is December, with an average of 6h and 36min of daylight.On the first day of December in Aarna, sunrise is at 08:33 and sunset at 15:29. On the last day of the month, sunrise is at 08:57 and sunset at 15:32 EET.
Sunshine
In December, the average sunshine in Aarna is 1.9h.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 value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.Note: In December, a regular UV index of 1 translates into these guidelines:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Frequently asked questions
How cold is December in Aarna?
What is the average humidity in December in Aarna?
How much does it rain in Aarna in December?
How many days does it snow in December in Aarna?
What is the month with the shortest days in Aarna?
How many hours of daylight does Aarna have in December?
What time are sunrise and sunset in December in Aarna?
How many hours of sunshine does Aarna have in December?
What is the month with the lowest UV index in Aarna?
How high is the UV index in December in Aarna?
Average temperature in December
Aarna, Estonia
- Average high temperature in December: -1°C
The warmest month (with the highest average high temperature) is July (23.1°C).
The month with the lowest average high temperature is January (-3.8°C).
- Average low temperature in December: -4.3°C
The month with the highest average low temperature is July (12.7°C).
The coldest month (with the lowest average low temperature) is January (-8°C).
Average pressure in December
Aarna, Estonia
- Average pressure in December: 1011.6mbar
The month with the highest atmospheric pressure is October (1016.1mbar).
The month with the lowest atmospheric pressure is December (1011.6mbar).
Average wind speed in December
Aarna, Estonia
- Average wind speed in December: 14.4km/h
The windiest month (with the highest average wind speed) is December (14.4km/h).
The calmest months (with the lowest average wind speed) are July and August (10.9km/h).
Average humidity in December
Aarna, Estonia
- Average humidity in December: 92%
The months with the highest relative humidity are January and February (94%).
The month with the lowest relative humidity is May (72%).
Average rainfall in December
Aarna, Estonia
- Average rainfall in December: 36mm
The wettest month (with the highest rainfall) is July (60mm).
The driest month (with the least rainfall) is April (28mm).
Average rainfall days in December
Aarna, Estonia
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in December
Aarna, Estonia
- Average snowfall in December: 170mm
The month with the highest snowfall is February (190mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Aarna, Estonia
- Average snowfall days in December: 19.2 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
Aarna, Estonia
- Average daylight in December: 6h and 4min
The month with the longest days is June (Average daylight: 18h and 6min).
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 36min).
The month with the least sunshine is February (Average sunshine: 1h and 48min).
Average sunshine days in December
Aarna, Estonia
- Average sunshine days in December: 6.2 days
The month with the most sunshine days is May (13.8 days).
The month with the least sunshine days is December (6.2 days).
Average UV index in December
Aarna, 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
Aarna, Estonia
- Average cloud cover in December: 83
The months with the most cloud cover are February and December (Cloud cover 83).
The month with the least cloud cover is July (Cloud cover 41).
Average visibility in December
Aarna, Estonia
- Average visibility in December: 7km
The months with the highest visibility are May, June, July and August (9km).
The months with the lowest visibility are January and February (6km).
Aarna, Estonia
Weather forecast for your location
2. Allow the app to use your location
