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
The arrival of December is marked by a minor reduction in average high-temperature, sliding from an icy 4.6°C (40.3°F) in November to a still wintry 1°C (33.8°F). Irta, during December nights, experiences a subtle shift to a low average of -2.5°C (27.5°F) from the day's heat.Humidity
In Irta, the average relative humidity in December is 90%.Rainfall
In Irta, in December, it is raining for 15 days, with typically 55mm (2.17") of accumulated precipitation. Throughout the year, there are 175.8 rainfall days, and 570mm (22.44") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Irta. In Irta, in December, snow falls for 16.9 days, with typically accumulated 139mm (5.47") of snow. Throughout the year, there are 84.5 snowfall days, and 726mm (28.58") of snow is accumulated.Daylight
December has the shortest days of the year in Irta, Estonia, with an average of 6h and 30min of daylight.On the first day of the month, sunrise is at 08:47 and sunset at 15:37. On the last day of December, sunrise is at 09:13 and sunset at 15:40 EET.
Sunshine
With an average of 1.7h of sunshine, December has the least sunshine of the year in Irta.UV index
The months with the lowest UV index in Irta are January through March, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In December, an average UV index of 1 transforms into the following instructions:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Irta?
What is the average humidity in December in Irta?
How many days does it rain in December in Irta?
How many days does it snow in December in Irta?
What is the month with the shortest days in Irta?
How many hours of daylight does Irta have in December?
What time are sunrise and sunset in December in Irta?
What is the month with the least sunshine in Irta?
How many hours of sunshine does Irta have in December?
What are the months with the lowest UV index in Irta?
What is the UV index intensity in December in Irta?
Average temperature in December
Irta, 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
Irta, 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
Irta, 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
Irta, 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
Irta, 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
Irta, 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
Irta, 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
Irta, 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
Irta, Estonia
- Average daylight in December: 6h and 3min
The month with the longest days is June (Average daylight: 18h and 12min).
The month with the shortest days is December (Average daylight: 6h and 30min).
- 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
Irta, 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
Irta, 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
Irta, 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
Irta, 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).
