Vassilias
Greece
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Vassilias, Greece

The first month of the winter, December, is still a cool month in Vassilias, Greece, with average temperature ranging between min 5°C (41°F) and max 12°C (53.6°F).

Temperature

In Vassilias, 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

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

Sea temperature

In December, the average sea temperature is 15°C (59°F). For swimming, a surface water temperature of 15°C (59°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

With an average of 9.5h of daylight, December has the shortest days of the year in Vassilias.

Sunshine

Months with the least sunshine in Vassilias, Greece, 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. A UV Index reading of 2, and below, represents a low health risk from the exposure to the Sun's UV rays for the average person.
In December, the average maximum UV index of 2 translate into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in December in Vassilias?

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

How much does it rain in Vassilias in December?

In December, the rain falls for 10 days. Throughout December, 97mm (3.8") of precipitation is accumulated.

What is the wettest month in Vassilias?

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

How cold is the water in December in Vassilias?

In Vassilias, the average seawater temperature in December is 15°C (59°F). Swimming in 15°C (59°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

What is the month with the shortest days in Vassilias?

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

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

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

What is the month with the least sunshine in Vassilias?

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

How many hours of sunshine does Vassilias have in December?

In December, the average sunshine in Vassilias is 4h.

What is the month with the lowest UV index in Vassilias?

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

What is the UV index intensity in December in Vassilias?

In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to the Sun's UV rays.
Average temperature in December - Vassilias, 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 - Vassilias, 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 - Vassilias, 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 - Vassilias, Greece
  • Average sea temperature in December: 15°C

Best months for swimming (with the highest average sea temperature) are July and August (24°C).
Coldest months (with the lowest average sea temperature) are January, February and March (14°C).

Average daylight in December / Average sunshine in December - Vassilias, 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 - Vassilias, 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).