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 transition into December is accompanied by a slight temperature decrease, with the average high-temperature shifting from a mild 15.4°C (59.7°F) in November to a fresh 10.5°C (50.9°F). Viniani's nighttime temperature during December is consistently averaged at an icy 4.2°C (39.6°F).Humidity
In Viniani, the average relative humidity in December is 76%.Rainfall
In Viniani, during December, the rain falls for 12.2 days and regularly aggregates up to 76mm (2.99") of precipitation. Throughout the year, in Viniani, there are 148 rainfall days, and 663mm (26.1") of precipitation is accumulated.Snowfall
Months with snowfall in Viniani are January through March, November and December. In Viniani, in December, during 1.1 snowfall days, 20mm (0.79") of snow is typically accumulated. In Viniani, during the entire year, snow falls for 6.4 days and aggregates up to 127mm (5") of snow.Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 07:33 and sunset at 17:11. On the last day of December, in Viniani, sunrise is at 07:51 and sunset at 17:20 EET.
Sunshine
The average sunshine in December is 6.2h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 2 in December translates into these instructions:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat. 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
What is the temperature in December in Viniani?
What is the average humidity in December in Viniani?
How many days does it rain in December in Viniani?
How much does it snow in Viniani in December?
What is the month with the shortest days in Viniani?
What is the average length of the day in December in Viniani?
What time are sunrise and sunset in December in Viniani?
How many hours of sunshine does Viniani have in December?
What is the month with the lowest UV index in Viniani?
How high is the UV index in December in Viniani?
Average temperature in December
Viniani, Greece
- Average high temperature in December: 10.5°C
The warmest month (with the highest average high temperature) is August (30.5°C).
The month with the lowest average high temperature is January (8.7°C).
- Average low temperature in December: 4.2°C
The month with the highest average low temperature is August (19.1°C).
The coldest month (with the lowest average low temperature) is January (2.3°C).
Average pressure in December
Viniani, Greece
- Average pressure in December: 1018.6mbar
The month with the highest atmospheric pressure is December (1018.6mbar).
The month with the lowest atmospheric pressure is July (1012.3mbar).
Average wind speed in December
Viniani, Greece
- Average wind speed in December: 7.8km/h
The windiest month (with the highest average wind speed) is February (9km/h).
The calmest month (with the lowest average wind speed) is July (6.4km/h).
Average humidity in December
Viniani, Greece
- Average humidity in December: 76%
The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (54%).
Average rainfall in December
Viniani, Greece
- Average rainfall in December: 76mm
The wettest month (with the highest rainfall) is November (101mm).
The driest month (with the least rainfall) is August (17mm).
Average rainfall days in December
Viniani, Greece
- Average rainfall days in December: 12.2 days
The month with the highest number of rainy days is May (16.4 days).
The month with the least rainy days is August (8 days).
Average snowfall in December
Viniani, Greece
- Average snowfall in December: 20mm
The month with the highest snowfall is January (50mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Viniani, Greece
- Average snowfall days in December: 1.1 days
The month with the highest number of snowfall days is January (2.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Viniani, Greece
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 6h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 48min).
Average sunshine days in December
Viniani, Greece
- Average sunshine days in December: 16.9 days
The month with the most sunshine days is August (20.3 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in December
Viniani, Greece
- Average UV index in December: 2
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
Viniani, Greece
- Average cloud cover in December: 33
The month with the most cloud cover is January (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 11).
Average visibility in December
Viniani, Greece
- Average visibility in December: 9km
The months with the highest visibility are March, April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, November and December (9km).
