Gennadi
Greece
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Gennadi, Greece

December, the first month of the winter, in Gennadi, is also an enjoyable month, with average temperature ranging between min 9°C (48.2°F) and max 16°C (60.8°F).

Temperature

In Gennadi, the average high-temperature in December marginally drops, from 19°C (66.2°F) in November, to a still comfortable 16°C (60.8°F). In Gennadi, in December, the average low-temperature is 9°C (48.2°F).

Rainfall

In Gennadi, in December, it is raining for 13 days, with typically 155mm (6.1") of accumulated precipitation. Throughout the year, there are 80 rainfall days, and 732mm (28.8") of precipitation is accumulated.

Sea temperature

In Gennadi, the average seawater temperature in December 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 Gennadi, with an average of 9.8h of daylight.

Sunshine

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

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index in Gennadi, Greece. A UV Index of 2, and less, symbolizes a minimal health vulnerability from the exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily maximum UV index of 2 in December interpret into the following advice:
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. 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 Gennadi?

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

How many days does it rain in December in Gennadi?

In Gennadi, Greece, during December, the rain falls for 13 days and regularly aggregates up to 155mm (6.1") of precipitation.

What is the sea temperature in December in Gennadi?

In December, the average sea temperature in Gennadi, Greece, is 17°C (62.6°F). 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).

What is the month with the shortest days in Gennadi?

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

How many hours of daylight does Gennadi have in December?

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

What is the month with the least sunshine in Gennadi?

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

How long on average sun shines in December in Gennadi?

In December, the average sunshine in Gennadi, Greece, is 5h.

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

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

What is the UV index intensity in December in Gennadi?

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

Warmest months (with the highest average high temperature) are July and August (30°C).
Months with the lowest average high temperature are January and February (14°C).

  • Average low temperature in December: 9°C

Months with the highest average low temperature are July and August (21°C).
Coldest months (with the lowest average low temperature) are January and February (8°C).

Average rainfall in December - Gennadi, Greece
  • Average rainfall in December: 155mm

The wettest month (with the highest rainfall) is January (159mm).
Driest months (with the lowest rainfall) are July and August (1mm).

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

Months with the highest number of rainy days are January and December (13 days).
Months with the lowest number of rainy days are June and September (2 days).

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

Best months for swimming (with the highest average sea temperature) are August and September (24°C).
Coldest months (with the lowest average sea temperature) are January, February and March (16°C).

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

The month with the longest days is June (Average daylight: 14.6h).
The month with shortest days is December (Average daylight: 9.8h).

  • 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 - Gennadi, 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).