December weather forecastSkyros, Greece
December
Weather in December
The first month of the winter, December, is also a moderate month in Skyros, Greece, with an average temperature ranging between max 14.5°C (58.1°F) and min 12.5°C (54.5°F).Temperature
The arrival of December sees an average high-temperature of a moderate 14.5°C (58.1°F), hardly diverging from November's 17.4°C (63.3°F). December's average low temperature is a fresh 12.5°C (54.5°F), displaying a subtle drop from its daily peak.Humidity
In Skyros, the average relative humidity in December is 71%.Rainfall
In Skyros, in December, it is raining for 13.7 days, with typically 44mm (1.73") of accumulated precipitation. Throughout the year, there are 103.9 rainfall days, and 270mm (10.63") of precipitation is accumulated.Sea temperature
In Skyros, the average seawater temperature in December is 16.1°C (61°F).Note: For the majority, swimming in water with a temperature of 16.1°C (61°F) is not enjoyable. The difficulty in managing breathing rises as the temperature decreases from 21°C (69.8°F) to 15°C (59°F).
Daylight
The month with the shortest days is December, with an average of 9h and 30min of daylight.On the first day of December in Skyros, sunrise is at 07:21 and sunset at 17:00. On the last day of the month, sunrise is at 07:40 and sunset at 17:09 EET.
Sunshine
In December, the average sunshine in Skyros is 5.1h.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index in Skyros. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 3 during December translates into the following directions:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Skyros, Greece
- Average high temperature in December: 14.5°C
The warmest month (with the highest average high temperature) is August (26.5°C).
The month with the lowest average high temperature is January (12.6°C).
- Average low temperature in December: 12.5°C
The month with the highest average low temperature is August (24.7°C).
The coldest month (with the lowest average low temperature) is January (10.6°C).
Average pressure in December
Skyros, Greece
- Average pressure in December: 1018.3mbar
The month with the highest atmospheric pressure is December (1018.3mbar).
The month with the lowest atmospheric pressure is July (1010.7mbar).
Average wind speed in December
Skyros, Greece
- Average wind speed in December: 26.6km/h
The windiest month (with the highest average wind speed) is January (27.8km/h).
The calmest month (with the lowest average wind speed) is May (18.3km/h).
Average humidity in December
Skyros, Greece
- Average humidity in December: 71%
The month with the highest relative humidity is November (74%).
The month with the lowest relative humidity is September (70%).
Average rainfall in December
Skyros, Greece
- Average rainfall in December: 44mm
The wettest month (with the highest rainfall) is January (51mm).
The driest month (with the least rainfall) is August (3mm).
Average rainfall days in December
Skyros, Greece
- Average rainfall days in December: 13.7 days
The month with the highest number of rainy days is January (14.3 days).
The month with the least rainy days is August (2.1 days).
Average sea temperature in December
Skyros, Greece
- Average sea temperature in December: 16.1°C
The best month for swimming (with the highest average sea temperature) is August (25.3°C).
The coldest month (with the lowest average sea temperature) is March (15.1°C).
Average daylight in December /
Average sunshine in December
Skyros, 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 6min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in December
Skyros, Greece
- Average sunshine days in December: 14.7 days
The months with the most sunshine days are July and August (27 days).
The month with the least sunshine days is January (14.5 days).
Average UV index in December
Skyros, Greece
- Average UV index in December: 3
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in December
Skyros, Greece
- Average cloud cover in December: 45
The month with the most cloud cover is January (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 7).
Average visibility in December
Skyros, 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).





