Sisi
Greece
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Sisi, Greece

December, the first month of the winter, in Sisi, is still a mild month, with average temperature ranging between min 8°C (46.4°F) and max 14°C (57.2°F).

Temperature

In Sisi, the average high-temperature in December slightly decreases, from a comfortable 17°C (62.6°F) in November, to a mild 14°C (57.2°F). The average low-temperature, in December, is 8°C (46.4°F).

Rainfall

In Sisi, during December, the rain falls for 13 days and regularly aggregates up to 153mm (6") of precipitation. Throughout the year, in Sisi, there are 75 rainfall days, and 847mm (33.3") of precipitation is accumulated.

Sea temperature

In Sisi, the average water temperature is 18°C (64.4°F). For most, swimming in 18°C (64.4°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).

Daylight

The month with the shortest days is December, with an average of 9.8h of daylight.

Sunshine

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

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from the exposure to the Sun's UV rays for ordinary individuals.
The average daily UV index of 2 in December transform into the following instructions:
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 Sisi?

The average high-temperature, in December, in Sisi, Greece, is 14°C (57.2°F), while the average low-temperature is 8°C (46.4°F).

How much does it rain in Sisi in December?

In Sisi, Greece, during December, the rain falls for 13 days and regularly aggregates up to 153mm (6") of precipitation.

How cold is the water in December in Sisi?

In Sisi, Greece, the average seawater temperature in December is 18°C (64.4°F). Swimming in 18°C (64.4°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 Sisi?

With an average of 9.8h of daylight, December has the shortest days of the year.

How many hours of daylight does Sisi have in December?

In Sisi, the average length of the day in December is 9.8h.

What is the month with the least sunshine in Sisi?

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

How long on average sun shines in December in Sisi?

The average sunshine in December in Sisi, Greece, is 4h.

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

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

What is the UV index reading in December in Sisi?

In Sisi, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from the exposure to the Sun's UV rays.
Average temperature in December - Sisi, Greece
  • Average high temperature in December: 14°C

Warmest months (with the highest average high temperature) are July and August (26°C).
Months with the lowest average high temperature are January and February (12°C).

  • Average low temperature in December: 8°C

Months with the highest average low temperature are July and August (19°C).
Coldest months (with the lowest average low temperature) are January and February (6°C).

Average rainfall in December - Sisi, Greece
  • Average rainfall in December: 153mm

The wettest month (with the highest rainfall) is January (175mm).
The driest month (with the lowest rainfall) is August (3mm).

Average rainfall days in December - Sisi, Greece
  • Average rainfall days in December: 13 days

The month with the highest number of rainy days is December (13 days).
Months with the lowest number of rainy days are July and August (1 days).

Average sea temperature in December - Sisi, Greece
  • Average sea temperature in December: 18°C

The best month for swimming (with the highest average sea temperature) is August (25°C).
Coldest months (with the lowest average sea temperature) are February and March (15°C).

Average daylight in December / Average sunshine in December - Sisi, Greece
  • Average daylight in December: 9.8h

The month with the longest days is June (Average daylight: 14.5h).
The month with shortest days is December (Average daylight: 9.8h).

  • Average sunshine in December: 4h

Months with most sunshine are June, July and August (Average sunshine: 12h).
Months with least sunshine are January and December (Average sunshine: 4).

Average UV index in December - Sisi, 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).