Oia
Greece
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Oia, Greece

December, the first month of the winter, in Oia, is still a comfortable month, with average temperature varying between 11°C (51.8°F) and 16°C (60.8°F).

Temperature

In Oia, the average high-temperature in December is relatively the same as in November - a still comfortable 16°C (60.8°F). In December, the average low-temperature is 11°C (51.8°F).

Rainfall

In Oia, Greece, in December, during 12 rainfall days, 102mm (4") of precipitation is typically accumulated. In Oia, during the entire year, the rain falls for 65 days and collects up to 554mm (21.8") of precipitation.

Sea temperature

In Oia, the average water temperature is 17°C (62.6°F).
Note: For swimming, a surface water temperature of 17°C (62.6°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 in Oia, with an average of 9.7h of daylight.

Sunshine

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

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to the Sun's UV rays for average individuals.
Note: In December, the average maximum UV index of 2 translate into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged 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. 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 Oia?

The average high-temperature, in December, in Oia, is 16°C (60.8°F), while the average low-temperature is 11°C (51.8°F).

How much does it rain in Oia in December?

In Oia, during December, the rain falls for 12 days and regularly aggregates up to 102mm (4") of precipitation.

What is the sea water temperature in December in Oia?

In Oia, Greece, the average seawater temperature in December is 17°C (62.6°F). Swimming in 17°C (62.6°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 Oia?

December has the shortest days of the year, with an average of 9.7h of daylight.

How many hours of daylight does Oia have in December?

In Oia, Greece, the average length of the day in December is 9.7h.

What is the month with the least sunshine in Oia?

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

How long on average sun shines in December in Oia?

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

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

January 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 Oia?

In Oia, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health risk from the exposure to the Sun's UV radiation.
Average temperature in December - Oia, Greece
  • Average high temperature in December: 16°C

The warmest month (with the highest average high temperature) is August (28°C).
Months with the lowest average high temperature are January and February (14°C).

  • Average low temperature in December: 11°C

Months with the highest average low temperature are July and August (23°C).
Coldest months (with the lowest average low temperature) are January and February (9°C).

Average rainfall in December - Oia, Greece
  • Average rainfall in December: 102mm

The wettest month (with the highest rainfall) is January (114mm).
Driest months (with the lowest rainfall) are July and August (1mm).

Average rainfall days in December - Oia, Greece
  • Average rainfall days in December: 12 days

The month with the highest number of rainy days is December (12 days).
Months with the lowest number of rainy days are June, July, August and September (1 days).

Average sea temperature in December - Oia, Greece
  • Average sea temperature in December: 17°C

The best month for swimming (with the highest average sea temperature) is August (24°C).
Coldest months (with the lowest average sea temperature) are February and March (15°C).

Average daylight in December / Average sunshine in December - Oia, Greece
  • Average daylight in December: 9.7h

The month with the longest days is June (Average daylight: 14.6h).
The month with shortest days is December (Average daylight: 9.7h).

  • Average sunshine in December: 4h

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

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

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