December weather forecast
Rethimno, Greece

Dusk in the Venetian Rethimno harbor in Greece
Dusk in the Venetian Rethimno harbor in Greece

Weather in December

December, the first month of the winter in Rethimno, is also an enjoyable month, with an average temperature ranging between min 10°C (50°F) and max 16°C (60.8°F).

Temperature

In Rethimno, the average high-temperature in December marginally drops from an agreeable 20°C (68°F) in November to a comfortable 16°C (60.8°F). In December, in Rethimno, the average low-temperature is 10°C (50°F).

Rainfall

In Rethimno, Greece, in December, during 13 rainfall days, 100mm (3.94") of precipitation is typically accumulated. In Rethimno, during the entire year, the rain falls for 67 days and collects up to 664mm (26.14") of precipitation.

Sea temperature

In Rethimno, Greece, the average water temperature is 18.3°C (64.9°F).
Note: For most, swimming in 18.3°C (64.9°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

With an average of 9h and 49min of daylight, December has the shortest days of the year.
On the first day of December in Rethimno, sunrise is at 07:12 and sunset at 17:09. On the last day of the month, sunrise is at 07:30 and sunset at 17:19 EET.

Sunshine

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

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 low health risk from exposure to the Sun's UV rays for the ordinary 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. 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.
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FAQ

How much does it rain in Rethimno in December?

In December, in Rethimno, the rain falls for 13 days. Throughout December, 100mm (3.94") of precipitation is accumulated.

What is the sea water temperature in December in Rethimno?

In Rethimno, Greece, in December, the average water temperature is 18.3°C (64.9°F). For swimming, a surface water temperature of 18.3°C (64.9°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 Rethimno?

December has the shortest days of the year in Rethimno, Greece, with an average of 9h and 49min of daylight.

How many hours of daylight does Rethimno have in December?

In December, the average day length is 9h and 49min.

When is the sunrise / sunset in December in Rethimno?

On the first day of December in Rethimno, Greece, sunrise is at 07:12 and sunset at 17:09. On the last day of the month, sunrise is at 07:30 and sunset at 17:19 EET.

What is the month with the least sunshine in Rethimno?

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

How many hours of sunshine does Rethimno have in December?

In December, the average sunshine duration in Rethimno is 4h.

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

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

What is the UV index reading in December in Rethimno?

The average daily maximum UV index in December in Rethimno is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from unsafe exposure to Sun's UV rays.
Average rainfall days
Average sunshine
Average UV index

Average temperature in December
Rethimno, Greece

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

The warmest month (with the highest average high temperature) is July (30°C).
The month with the lowest average high temperature is January (14°C).

  • Average low temperature in December: 10°C

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

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Average rainfall in December
Rethimno, Greece

Average rainfall in December - Rethimno, Greece
  • Average rainfall in December: 100mm

The wettest month (with the highest rainfall) is January (142mm).
The driest months (with the least rainfall) are July and August (1mm).

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Average rainfall days in December
Rethimno, Greece

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

The month with the highest number of rainy days is December (13 days).
The months with the least rainy days are July and August (0 days).

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Average sea temperature in December
Rethimno, Greece

Average sea temperature in December - Rethimno, Greece
  • Average sea temperature in December: 18.3°C

The best month for swimming (with the highest average sea temperature) is August (25.9°C).
The coldest month (with the lowest average sea temperature) is February (16.1°C).

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Average daylight in December /
Average sunshine in December
Rethimno, Greece

Average daylight in December / Average sunshine in December - Rethimno, Greece
  • Average daylight in December: 9h and 49min

The month with the longest days is June (Average daylight: 14h and 31min).
The month with the shortest days is December (Average daylight: 9h and 49min).

  • Average sunshine in December: 4h

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

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Average UV index in December
Rethimno, Greece

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

The months with the highest UV index are June and July (UV index 10).
The months with the lowest UV index are January and December (UV index 2).

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