December weather forecastSkiathos, Greece
December
Weather in December
December in Skiathos ushers in wintertime, seeing further drop in temperatures. With the highest barometric pressure registered at 1018.7mb, it is noticeably cooler and crispier. Despite the chill, the festivities bring about a sense of warmth and cheer in the city. The twinkling festive lights against the snow-laden city create stunning views to behold in Skiathos.Temperature
In December, the average high-temperature in Skiathos marginally drops from a comfortable 17.1°C (62.8°F) in November to a mild 13.6°C (56.5°F). December sees a slight dip to an average low temperature of 11.1°C (52°F) from the daytime highs.Humidity
The average relative humidity in December is 69%.Rainfall
In Skiathos, in December, during 12.9 rainfall days, 53mm (2.09") of precipitation is typically accumulated. Throughout the year, there are 133.4 rainfall days, and 511mm (20.12") of precipitation is accumulated.Snowfall
February through December are months without snowfall in Skiathos.Sea temperature
In December, the average sea temperature is 15.3°C (59.5°F).Note: Swimming in 15.3°C (59.5°F) does not offer a pleasant experience for most individuals. The act of controlling one's breathing becomes progressively difficult as the water temperature goes under 21°C (69.8°F).
Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of December, sunrise is at 07:26 and sunset at 17:03. On the last day of the month, sunrise is at 07:45 and sunset at 17:13 EET.
Sunshine
The average sunshine in December in Skiathos is 5.3h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The daily high UV index of 3 during December translates into the following recommendations:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Skiathos, Greece
- Average high temperature in December: 13.6°C
The warmest month (with the highest average high temperature) is August (27°C).
The month with the lowest average high temperature is January (11.8°C).
- Average low temperature in December: 11.1°C
The month with the highest average low temperature is August (24.8°C).
The coldest month (with the lowest average low temperature) is January (9.3°C).
Average pressure in December
Skiathos, Greece
- Average pressure in December: 1018.7mbar
The month with the highest atmospheric pressure is December (1018.7mbar).
The month with the lowest atmospheric pressure is July (1011.8mbar).
Average wind speed in December
Skiathos, Greece
- Average wind speed in December: 20.1km/h
The windiest month (with the highest average wind speed) is February (20.7km/h).
The calmest months (with the lowest average wind speed) are June and July (13.1km/h).
Average humidity in December
Skiathos, Greece
- Average humidity in December: 69%
The months with the highest relative humidity are January, February and November (71%).
The months with the lowest relative humidity are July, August and September (66%).
Average rainfall in December
Skiathos, Greece
- Average rainfall in December: 53mm
The wettest month (with the highest rainfall) is February (62mm).
The driest month (with the least rainfall) is August (17mm).
Average rainfall days in December
Skiathos, Greece
- Average rainfall days in December: 12.9 days
The month with the highest number of rainy days is January (14.3 days).
The month with the least rainy days is July (6.6 days).
Average snowfall in December
Skiathos, 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
Skiathos, 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
Skiathos, Greece
- Average sea temperature in December: 15.3°C
The best month for swimming (with the highest average sea temperature) is August (26.3°C).
The coldest month (with the lowest average sea temperature) is March (14.2°C).
Average daylight in December /
Average sunshine in December
Skiathos, Greece
- Average daylight in December: 9h and 30min
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: 5h and 18min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in December
Skiathos, Greece
- Average sunshine days in December: 15.9 days
The month with the most sunshine days is July (22.5 days).
The month with the least sunshine days is February (13.5 days).
Average UV index in December
Skiathos, 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 January, February and December (UV index 3).
Average cloud cover in December
Skiathos, Greece
- Average cloud cover in December: 42
The month with the most cloud cover is January (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 10).
Average visibility in December
Skiathos, 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).
