Kallithea
Greece
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Kallithea, Greece

The first month of the winter, December, is also an enjoyable month in Kallithea, Greece, with average temperature fluctuating between 9°C (48.2°F) and 16°C (60.8°F).

Temperature

In December, the average high-temperature marginally drops, from an agreeable 20°C (68°F) in November, to a comfortable 16°C (60.8°F). The average low-temperature, is 9°C (48.2°F).

Rainfall

December is the month with the most rainfall. Rain falls for 14 days and accumulates 168mm (6.61") of precipitation.

Sea temperature

In Kallithea, the average water temperature is 18°C (64.4°F).
Note: 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 9.4h of daylight.

Sunshine

Months with the least sunshine are January and December, with an average of 5h of sunshine.

UV index

Months with the lowest UV index in Kallithea are January and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from the exposure to the Sun's UV rays for the average person.
Note: In December, the average maximum UV index of 2 translate into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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 Kallithea?

In December, in Kallithea, Greece, 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 Kallithea?

In December, in Kallithea, the rain falls for 14 days. Throughout December, 168mm (6.61") of precipitation is accumulated.

What is the wettest month in Kallithea?

The month with the most rainfall in Kallithea, Greece, is December when the rain falls for 14 days and typically aggregates up to 168mm (6.61") of precipitation.

What is the sea temperature in December in Kallithea?

In Kallithea, Greece, in December, 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).

What is the month with the shortest days in Kallithea?

With an average of 9.4h of daylight, December has the shortest days of the year.

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

In Kallithea, Greece, the average length of the day in December is 9.4h.

What is the month with the least sunshine in Kallithea?

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

How many hours of sunshine does Kallithea have in December?

The average sunshine in December in Kallithea is 5h.

When is the lowest UV index in Kallithea?

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

How high is the UV index in December in Kallithea?

In December, the average daily maximum UV index in Kallithea, Greece, is 2. A UV Index reading of 2, and below, represents a low health threat from the exposure to the Sun's UV rays.
Average temperature in December - Kallithea, Greece
  • Average high temperature in December: 16°C

Warmest months (with the highest average high temperature) are July and August (31°C).
The month with the lowest average high temperature is January (14°C).

  • Average low temperature in December: 9°C

Months with the highest average low temperature are July and August (22°C).
Coldest months (with the lowest average low temperature) are January and February (8°C).

Average rainfall in December - Kallithea, Greece
  • Average rainfall in December: 168mm

The wettest month (with the highest rainfall) is December (168mm).
The driest month (with the lowest rainfall) is July (1mm).

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

The month with the highest number of rainy days is December (14 days).
Months with the lowest number of rainy days are June and September (2 days).

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

Best months for swimming (with the highest average sea temperature) are August and September (25°C).
Coldest months (with the lowest average sea temperature) are February and March (16°C).

Average daylight in December / Average sunshine in December - Kallithea, Greece
  • Average daylight in December: 9.4h

The month with the longest days is June (Average daylight: 15h).
The month with shortest days is December (Average daylight: 9.4h).

  • 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 - Kallithea, 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).