Poros
Greece
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Poros, Greece

December, the first month of the winter, in Poros, is also a moderate month, with average temperature varying between 6°C (42.8°F) and 13°C (55.4°F).

Temperature

In December, the average high-temperature marginally drops, from a comfortable 17°C (62.6°F) in November, to a moderate 13°C (55.4°F). In December, the average low-temperature is 6°C (42.8°F).

Rainfall

December is the month with the most rainfall in Poros. Rain falls for 15 days and accumulates 186mm (7.3") of precipitation.

Sea temperature

In Poros, in December, the average water temperature is 17.3°C (63.1°F). For swimming, a surface water temperature of 17.3°C (63.1°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

December has the shortest days of the year, with an average of 9.6h of daylight.

Sunshine

With an average of 4h of sunshine, December has the least sunshine of the year in Poros.

UV index

Months with the lowest UV index in Poros are January and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to the UV radiation for the average person.
The average daily UV index of 2 transform into the following instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. 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 Poros?

The average high-temperature, in December, in Poros, is 13°C (55.4°F), while the average low-temperature is 6°C (42.8°F).

How much does it rain in Poros in December?

In Poros, Greece, in December, during 15 rainfall days, 186mm (7.3") of precipitation is typically accumulated.

What is the wettest month in Poros?

December is the month with the most rainfall in Poros. Rain falls for 15 days and accumulates 186mm (7.3") of precipitation.

What is the sea water temperature in December in Poros?

In Poros, in December, the average water temperature is 17.3°C (63.1°F). For swimming, a surface water temperature of 17.3°C (63.1°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).

What is the month with the shortest days in Poros?

With an average of 9.6h of daylight, December has the shortest days of the year.

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

The average length of the day in December in Poros, Greece, is 9.6h.

What is the month with the least sunshine in Poros?

December has the least sunshine of the year, with an average of 4h of sunshine.

How many hours of sunshine does Poros have in December?

The average sunshine in December in Poros is 4h.

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

Months with the lowest UV index in Poros, Greece, are January and December, with an average maximum UV index of 2.

What is the UV index reading in December in Poros?

The average daily maximum UV index in December in Poros, Greece, is 2. A UV Index value of 2, and less, symbolizes a low health threat from the exposure to the Sun's UV rays.
Average temperature in December - Poros, Greece
  • Average high temperature in December: 13°C

The warmest month (with the highest average high temperature) is July (30°C).
Months with the lowest average high temperature are January and February (12°C).

  • Average low temperature in December: 6°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 (5°C).

Average rainfall in December - Poros, Greece
  • Average rainfall in December: 186mm

The wettest month (with the highest rainfall) is December (186mm).
The driest month (with the lowest rainfall) is July (11mm).

Average rainfall days in December - Poros, Greece
  • Average rainfall days in December: 15 days

The month with the highest number of rainy days is December (15 days).
Months with the lowest number of rainy days are July and August (2 days).

Average sea temperature in December - Poros, Greece
  • Average sea temperature in December: 17.3°C

The best month for swimming (with the highest average sea temperature) is August (26.5°C).
The coldest month (with the lowest average sea temperature) is February (15.3°C).

Average daylight in December / Average sunshine in December - Poros, Greece
  • Average daylight in December: 9.6h

The month with the longest days is June (Average daylight: 14.7h).
The month with shortest days is December (Average daylight: 9.6h).

  • Average sunshine in December: 4h

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

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

The month with the highest UV index is July (UV index 10).
Months with the lowest UV index are January and December (UV index 2).