December weather forecast and climate
Kos, Greece

Clear waters of the Kos Town Harbour, Greece, with a view of several ships sailing
Clear waters of the Kos Town Harbour, Greece, with a view of several ships sailing
December, the first month of the winter, in Kos, is still a comfortable month, with average temperature ranging between max. 16°C (60.8°F) and min. 9°C (48.2°F).

Temperature

The average high-temperature, is 16°C (60.8°F), while the average low-temperature is 9°C (48.2°F).

Rainfall

In Kos, in December, it is raining for 14 days, with typically 164mm (6.5") of accumulated precipitation. In Kos, during the entire year, the rain falls for 93 days and collects up to 762mm (30") of precipitation.

Sea temperature

In December, the average sea temperature is 18.6°C (65.5°F). Swimming in 18.6°C (65.5°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

Daylight

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

Sunshine

January and December, with an average of 5h of sunshine, are months with the least sunshine in Kos, Greece.

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 minimal health hazard from the unprotected exposure to the Sun's UV rays for the average person.

What is the temperature in December in Kos?

In Kos, in December, the average high-temperature is 16°C (60.8°F), and the average low-temperature is 9°C (48.2°F).

How many days does it rain in December in Kos?

In Kos, in December, during 14 rainfall days, 164mm (6.5") of precipitation is typically accumulated.

How cold is the water in December in Kos?

In Kos, Greece, the average seawater temperature in December is 18.6°C (65.5°F). Swimming in 18.6°C (65.5°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 Kos?

The month with the shortest days is December, with an average of 9.7h of daylight.

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

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

What is the month with the least sunshine in Kos?

January and December, with an average of 5h of sunshine, are months with the least sunshine in Kos.

How long on average sun shines in December in Kos?

The average sunshine in December is 5h.

When is the lowest UV index in Kos?

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

What is the UV index reading in December in Kos?

In Kos, 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 - Kos, Greece
  • Average high temperature in December: 16°C

Warmest months (with the highest average high temperature) are July and August (32°C).
Months with the lowest average high temperature are January and February (14°C).

  • Average low temperature in December: 9°C

The month with the highest average low temperature is July (22°C).
Coldest months (with the lowest average low temperature) are January and February (7°C).

Average rainfall in December - Kos, Greece
  • Average rainfall in December: 164mm

The wettest month (with the highest rainfall) is January (169mm).
The driest month (with the lowest rainfall) is July (2mm).

Average rainfall days in December - Kos, Greece
  • Average rainfall days in December: 14 days

Months with the highest number of rainy days are January and December (14 days).
The month with the lowest number of rainy days is June (3 days).

Average sea temperature in December - Kos, Greece
  • Average sea temperature in December: 18.6°C

The best month for swimming (with the highest average sea temperature) is August (25.3°C).
The coldest month (with the lowest average sea temperature) is March (16.9°C).

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

The month with the longest days is June (Average daylight: 14.7h).
The month with shortest days is December (Average daylight: 9.7h).

  • Average sunshine in December: 5h

The month with most sunshine is July (Average sunshine: 14h).
Months with least sunshine are January and December (Average sunshine: 5).

Average UV index in December - Kos, 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).

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