Hersonissos
Greece
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Hersonissos, Greece

Clear blue sea waters to the horizon in Hersonissos in Greece
Clear blue sea waters to the horizon in Hersonissos in Greece
Diciembre, the first month of the winter, in Hersonissos, is also a moderate month, with average temperature varying between 9°C (48.2°F) and 15°C (59°F).

Temperature

In Hersonissos, the average high-temperature slightly decreases, from a comfortable 18°C (64.4°F) in Noviembre, to a moderate 15°C (59°F). In Hersonissos, Greece, in Diciembre, the average low-temperature is 9°C (48.2°F).

Rainfall

In Hersonissos, in Diciembre, it is raining for 13 days, with typically 148mm (5.83") of accumulated precipitation. Throughout the year, in Hersonissos, there are 74 rainfall days, and 818mm (32.2") of precipitation is accumulated.

Sea temperature

In Hersonissos, the average water temperature is 18°C (64.4°F).
Note: For swimming, a surface water temperature of 18°C (64.4°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

Diciembre has the shortest days of the year, with an average of 9.8h of daylight.

Sunshine

Months with the least sunshine are Enero and Diciembre, with an average of 4h of sunshine.

UV index

The month with the lowest UV index in Hersonissos is Diciembre, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from the exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 2 in Diciembre transform into the following instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in Diciembre in Hersonissos?

In Hersonissos, Greece, in Diciembre, the average high-temperature is 15°C (59°F), and the average low-temperature is 9°C (48.2°F).

How much does it rain in Hersonissos in Diciembre?

In Hersonissos, in Diciembre, it is raining for 13 days, with typically 148mm (5.83") of accumulated precipitation.

How cold is the water in Diciembre in Hersonissos?

In Hersonissos, the average seawater temperature in Diciembre is 18°C (64.4°F). For swimming, a surface water temperature of 18°C (64.4°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 Hersonissos?

The month with the shortest days in Hersonissos is Diciembre, with an average of 9.8h of daylight.

How many hours of daylight does Hersonissos have in Diciembre?

The average length of the day in Diciembre in Hersonissos, Greece, is 9.8h.

What is the month with the least sunshine in Hersonissos?

Enero and Diciembre, with an average of 4h of sunshine, are months with the least sunshine.

How many hours of sunshine does Hersonissos have in Diciembre?

In Hersonissos, Greece, the average sunshine in Diciembre is 4h.

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

Diciembre is the month with the lowest UV index in Hersonissos, Greece, with an average maximum UV index of 2.

What is the UV index reading in Diciembre in Hersonissos?

In Diciembre, the average daily maximum UV index in Hersonissos is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from unprotected exposure to the UV radiation.
Average temperature in December - Hersonissos, Greece
  • Average high temperature in December: 15°C

Warmest months (with the highest average high temperature) are July and August (27°C).
Months with the lowest average high temperature are January and February (13°C).

  • Average low temperature in December: 9°C

Months with the highest average low temperature are July and August (20°C).
Coldest months (with the lowest average low temperature) are January and February (7°C).

Average rainfall in December - Hersonissos, Greece
  • Average rainfall in December: 148mm

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

Average rainfall days in December - Hersonissos, 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, August and September (1 days).

Average sea temperature in December - Hersonissos, 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 - Hersonissos, 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 and July (Average sunshine: 12h).
Months with least sunshine are January and December (Average sunshine: 4).

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

The month with the highest UV index is July (UV index 11).
The month with the lowest UV index is December (UV index 2).