December weather forecastSidari, Greece
December
Weather in December
December is clearly in the midst of winter but maintains a mild interlude in Sidari. The data reveals the lowest temperatures of the year with a high of 13.4°C (56.1°F). Yet, despite it being a winter month, the absence of snowfall clarifies the unique Mediterranean weather pattern. Holiday decorations and festive lights add a touch of vibrancy to this month. Crowds thin out, making it a suitable time for those seeking a quiet, relaxing winter experience.Temperature
As December begins in Sidari, there is a minor decrease in the average high-temperature, softly falling from a comfortable 17.5°C (63.5°F) in November to a still refreshing 13.4°C (56.1°F). December nights reveal a minor deviation from daytime highs, with a mean low-temperature of 10.5°C (50.9°F).Humidity
The average relative humidity in December is 69%.Rainfall
In Sidari, in December, during 15.1 rainfall days, 106mm (4.17") of precipitation is typically accumulated. In Sidari, during the entire year, the rain falls for 147.4 days and collects up to 888mm (34.96") of precipitation.Snowfall
In Sidari, Greece, snow does not fall in February through December.Sea temperature
In December, the average sea temperature is 16°C (60.8°F).Note: Swimming becomes less enjoyable for most at a surface water temperature of 16°C (60.8°F). As the temperature decreases below 21°C (69.8°F), breathing becomes increasingly difficult.
Daylight
December has the shortest days of the year, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 07:43 and sunset at 17:17. On the last day of December, sunrise is at 08:02 and sunset at 17:26 EET.
Sunshine
In December, the average sunshine in Sidari is 6.2h.UV index
February and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: A daily maximum UV index of 3 in December translates into the following instructions:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sidari, Greece
- Average high temperature in December: 13.4°C
The warmest month (with the highest average high temperature) is August (28.5°C).
The month with the lowest average high temperature is January (11.8°C).
- Average low temperature in December: 10.5°C
The month with the highest average low temperature is August (24.1°C).
The coldest month (with the lowest average low temperature) is January (8.9°C).
Average pressure in December
Sidari, 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 (1012.2mbar).
Average wind speed in December
Sidari, Greece
- Average wind speed in December: 15.6km/h
The windiest month (with the highest average wind speed) is February (17.2km/h).
The calmest month (with the lowest average wind speed) is August (11.1km/h).
Average humidity in December
Sidari, Greece
- Average humidity in December: 69%
The month with the highest relative humidity is March (72%).
The month with the lowest relative humidity is August (63%).
Average rainfall in December
Sidari, Greece
- Average rainfall in December: 106mm
The wettest month (with the highest rainfall) is November (197mm).
The driest month (with the least rainfall) is August (9mm).
Average rainfall days in December
Sidari, Greece
- Average rainfall days in December: 15.1 days
The month with the highest number of rainy days is January (16.8 days).
The month with the least rainy days is August (3.9 days).
Average snowfall in December
Sidari, Greece
- Average snowfall in December: 0mm
The month with the highest snowfall is January (2mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in December
Sidari, Greece
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average sea temperature in December
Sidari, Greece
- Average sea temperature in December: 16°C
The best month for swimming (with the highest average sea temperature) is August (25°C).
The coldest months (with the lowest average sea temperature) are February and March (14°C).
Average daylight in December /
Average sunshine in December
Sidari, Greece
- Average daylight in December: 9h and 24min
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 24min).
- Average sunshine in December: 6h and 12min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).
Average sunshine days in December
Sidari, Greece
- Average sunshine days in December: 13.9 days
The month with the most sunshine days is August (23.8 days).
The month with the least sunshine days is February (10.6 days).
Average UV index in December
Sidari, Greece
- Average UV index in December: 3
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are February and December (UV index 3).
Average cloud cover in December
Sidari, Greece
- Average cloud cover in December: 33
The month with the most cloud cover is January (Cloud cover 38).
The months with the least cloud cover are July and August (Cloud cover 8).
Average visibility in December
Sidari, Greece
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (10km).
The month with the lowest visibility is November (9km).
