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
With December's onset, the weather reveals a slight temperature decrease, transitioning from a wintry 3.5°C (38.3°F) in November to a freezing cold -0.5°C (31.1°F). December introduces a small decrease to a nighttime average of -3.8°C (25.2°F) in Räni.Humidity
In Räni, the average relative humidity in December is 92%.Rainfall
In Räni, during December, the rain falls for 11.1 days and regularly aggregates up to 42mm (1.65") of precipitation. In Räni, Estonia, during the entire year, the rain falls for 170.9 days and collects up to 525mm (20.67") of precipitation.Snowfall
Months with snowfall in Räni are January through May, October through December. In Räni, in December, during 20.4 snowfall days, 183mm (7.2") of snow is typically accumulated. In Räni, during the entire year, snow falls for 99.4 days and aggregates up to 882mm (34.72") of snow.Daylight
December has the shortest days of the year, with an average of 6h and 30min of daylight.On the first day of the month, sunrise is at 08:36 and sunset at 15:28. On the last day of December, in Räni, sunrise is at 09:01 and sunset at 15:31 EET.
Sunshine
December has the least sunshine of the year in Räni, with an average of 1.8h of sunshine.UV index
January through March, October through December, with an average maximum UV index of 1, are months with the lowest UV index in Räni. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index of 1 during December translates into these guidelines:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation around mid-day is intense; avoid the Sun and stay safe. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Räni?
What is the average humidity in December in Räni?
How much does it rain in Räni in December?
How many days does it snow in December in Räni?
What is the month with the shortest days in Räni?
What is the average length of the day in December in Räni?
What time are sunrise and sunset in December in Räni?
What is the month with the least sunshine in Räni?
How many hours of sunshine does Räni have in December?
What are the months with the lowest UV index in Räni?
What is the UV index intensity in December in Räni?
Average temperature in December
Räni, Estonia
- Average high temperature in December: -0.5°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 (-3.5°C).
- Average low temperature in December: -3.8°C
The month with the highest average low temperature is July (12.8°C).
The coldest month (with the lowest average low temperature) is January (-7.6°C).
Average pressure in December
Räni, Estonia
- Average pressure in December: 1010.8mbar
The month with the highest atmospheric pressure is October (1015.5mbar).
The month with the lowest atmospheric pressure is December (1010.8mbar).
Average wind speed in December
Räni, Estonia
- Average wind speed in December: 14.3km/h
The windiest month (with the highest average wind speed) is December (14.3km/h).
The calmest months (with the lowest average wind speed) are May and August (11km/h).
Average humidity in December
Räni, Estonia
- Average humidity in December: 92%
The month with the highest relative humidity is February (94%).
The month with the lowest relative humidity is May (71%).
Average rainfall in December
Räni, Estonia
- Average rainfall in December: 42mm
The wettest month (with the highest rainfall) is June (59mm).
The driest months (with the least rainfall) are March and April (32mm).
Average rainfall days in December
Räni, Estonia
- Average rainfall days in December: 11.1 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is February (6.3 days).
Average snowfall in December
Räni, Estonia
- Average snowfall in December: 183mm
The month with the highest snowfall is February (217mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Räni, Estonia
- Average snowfall days in December: 20.4 days
The month with the highest number of snowfall days is January (21.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Räni, 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 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
Räni, Estonia
- Average sunshine days in December: 3.7 days
The month with the most sunshine days is May (13.3 days).
The month with the least sunshine days is December (3.7 days).
Average UV index in December
Räni, 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, October, November and December (UV index 1).
Average cloud cover in December
Räni, Estonia
- Average cloud cover in December: 82
The month with the most cloud cover is December (Cloud cover 82).
The months with the least cloud cover are May and July (Cloud cover 40).
Average visibility in December
Räni, 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).
