Skiathos
Greece
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Skiathos, Greece

Ships docked in the harbor of the stunning old town of Skiathos on Skiathos Island, Greece
Ships docked in the harbor of the stunning old town of Skiathos on Skiathos Island, Greece
December, the first month of the winter, in Skiathos, is also a fresh month, with average temperature varying between 12°C (53.6°F) and 5°C (41°F).

Temperature

In December, the average high-temperature marginally drops, from a comfortable 16°C (60.8°F) in November, to a fresh 12°C (53.6°F). In December, the average low-temperature is 5°C (41°F).

Rainfall

The month with the most rainfall is December when the rain falls for 10 days and typically aggregates up to 97mm (3.8") of precipitation.

Sea temperature

In Skiathos, in December, the average water temperature is 15.3°C (59.5°F).
Note: For swimming, a surface water temperature of 15.3°C (59.5°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

Daylight

The month with the shortest days is December, with an average of 9.5h of daylight.

Sunshine

Months with the least sunshine are January and December, with an average of 4h of sunshine.

UV index

January, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Skiathos, Greece. A UV Index value of 2, and less, symbolizes a minimal health hazard from the exposure to the Sun's UV radiation for ordinary individuals.
Note: In December, the average maximum UV index of 2 translate into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in December in Skiathos?

The average high-temperature, in December, in Skiathos, is 12°C (53.6°F), while the average low-temperature is 5°C (41°F).

How much does it rain in Skiathos in December?

In Skiathos, Greece, in December, during 10 rainfall days, 97mm (3.8") of precipitation is typically accumulated.

What is the wettest month in Skiathos?

December is the month with the most rainfall. Rain falls for 10 days and accumulates 97mm (3.8") of precipitation.

What is the sea temperature in December in Skiathos?

In Skiathos, the average seawater temperature in December is 15.3°C (59.5°F). For most, swimming in 15.3°C (59.5°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

What is the month with the shortest days in Skiathos?

The month with the shortest days in Skiathos is December, with an average of 9.5h of daylight.

What is the average length of the day in December in Skiathos?

In Skiathos, the average length of the day in December is 9.5h.

What is the month with the least sunshine in Skiathos?

January and December, with an average of 4h of sunshine, are months with the least sunshine in Skiathos.

How long on average sun shines in December in Skiathos?

In Skiathos, Greece, the average sunshine in December is 4h.

What are the months with the lowest UV index in Skiathos?

January, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the UV index reading in December in Skiathos?

In Skiathos, Greece, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from the exposure to the Sun's UV rays.
Average temperature in December - Skiathos, Greece
  • Average high temperature in December: 12°C

The warmest month (with the highest average high temperature) is July (30°C).
The month with the lowest average high temperature is January (10°C).

  • Average low temperature in December: 5°C

Months with the highest average low temperature are July and August (18°C).
Coldest months (with the lowest average low temperature) are January and February (3°C).

Average rainfall in December - Skiathos, Greece
  • Average rainfall in December: 97mm

The wettest month (with the highest rainfall) is December (97mm).
The driest month (with the lowest rainfall) is July (19mm).

Average rainfall days in December - Skiathos, Greece
  • Average rainfall days in December: 10 days

Months with the highest number of rainy days are November and December (10 days).
Months with the lowest number of rainy days are August and September (3 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: 9.5h

The month with the longest days is June (Average daylight: 14.9h).
The month with shortest days is December (Average daylight: 9.5h).

  • Average sunshine in December: 4h

The month with most sunshine is July (Average sunshine: 13h).
Months with least sunshine are January and December (Average sunshine: 4).

Average UV index in December - Skiathos, Greece
  • Average UV index in December: 2

Months with the highest UV index are June and July (UV index 9).
Months with the lowest UV index are January, November and December (UV index 2).