December weather forecastVrilissia, Greece
December
Weather in December
December, the first month of the winter in Vrilissia, is still a refreshing month, with temperature in the range of an average low of 9.2°C (48.6°F) and an average high of 13.7°C (56.7°F).Temperature
The shift from November to December coincides with a small decrease in the average high-temperature, down to a still refreshing 13.7°C (56.7°F) from a comfortable 17.7°C (63.9°F). During the December nights, Vrilissia's temperature maintains an average close to the daytime highs, settling at a chilly 9.2°C (48.6°F).Humidity
In Vrilissia, the average relative humidity in December is 73%.Rainfall
The wettest months are January and December, with an average 49mm (1.93") of rainfall.Snowfall
In Vrilissia, snow does not fall in March through December.Daylight
December has the shortest days of the year, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 07:22 and sunset at 17:05. On the last day of December, sunrise is at 07:40 and sunset at 17:15 EET.
Sunshine
The average sunshine in December is 5.7h.UV index
With an average maximum UV index of 2, December is the month with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 2 during December translates into the following recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Vrilissia, Greece
- Average high temperature in December: 13.7°C
The warmest months (with the highest average high temperature) are July and August (30.3°C).
The month with the lowest average high temperature is January (11.9°C).
- Average low temperature in December: 9.2°C
The month with the highest average low temperature is August (23.5°C).
The coldest month (with the lowest average low temperature) is January (7.5°C).
Average pressure in December
Vrilissia, Greece
- Average pressure in December: 1018.2mbar
The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is July (1011mbar).
Average wind speed in December
Vrilissia, Greece
- Average wind speed in December: 15.4km/h
The windiest month (with the highest average wind speed) is August (17.1km/h).
The calmest month (with the lowest average wind speed) is May (11.8km/h).
Average humidity in December
Vrilissia, Greece
- Average humidity in December: 73%
The month with the highest relative humidity is January (74%).
The month with the lowest relative humidity is August (52%).
Average rainfall in December
Vrilissia, Greece
- Average rainfall in December: 49mm
The wettest months (with the highest rainfall) are January and December (49mm).
The driest month (with the least rainfall) is August (3mm).
Average rainfall days in December
Vrilissia, Greece
- Average rainfall days in December: 12.3 days
The month with the highest number of rainy days is December (12.3 days).
The month with the least rainy days is August (1.8 days).
Average snowfall in December
Vrilissia, Greece
- Average snowfall in December: 0mm
The month with the highest snowfall is January (33mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in December
Vrilissia, Greece
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is January (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Vrilissia, Greece
- Average daylight in December: 9h and 36min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 5h and 42min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days in December
Vrilissia, Greece
- Average sunshine days in December: 17.4 days
The month with the most sunshine days is August (27.9 days).
The month with the least sunshine days is January (15.9 days).
Average UV index in December
Vrilissia, Greece
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Vrilissia, Greece
- Average cloud cover in December: 37
The month with the most cloud cover is January (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in December
Vrilissia, Greece
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





