December weather forecast
Byblos, Lebanon

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Weather in December

December embraces the onset of winter and marks the end of the year in Byblos. The city experiences a surge in rainfall, the second highest in the year, amounting to 149mm (5.87"). The sea temperature drops to a chilly 20°C (68°F), marking the end of the comfortable sea-bathing period. Despite dwindling daylight hours, the festive period presents a unique allure for tourists. Its cooler weather coupled with the enchanting holiday decorations makes December a fascinating time to visit Byblos.

Temperature

December's onset corresponds with a shift in the average high-temperature, moving from a refreshing 17°C (62.6°F) in November to a cool 11°C (51.8°F). In Byblos, December nights cool down to an average of 4°C (39.2°F).

Rainfall

In December, in Byblos, the rain falls for 13 days. Throughout December, 149mm (5.87") of precipitation is accumulated. Throughout the year, there are 81 rainfall days, and 733mm (28.86") of precipitation is accumulated.

Sea temperature

In December, the average sea temperature in Byblos is 20°C (68°F).
Note: Most people find it challenging to enjoy swimming in water that is 20°C (68°F). As water temperature falls below 21°C (69.8°F), controlling breathing grows increasingly difficult.

Daylight

December has the shortest days of the year, with an average of 9h and 54min of daylight.
On the first day of the month, sunrise is at 06:25 and sunset at 16:27. On the last day of December, in Byblos, sunrise is at 06:42 and sunset at 16:38 EET.

Sunshine

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

UV index

The months with the lowest UV index in Byblos, Lebanon, are January and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.
Note: An average maximum UV index of 3 in December leads to these recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
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Frequently asked questions

What is the average December temperature in Byblos?

The average high-temperature, in December, in Byblos, is 11°C (51.8°F), while the average low-temperature is 4°C (39.2°F).

How much does it rain in Byblos in December?

In Byblos, Lebanon, in December, it is raining for 13 days, with typically 149mm (5.87") of accumulated precipitation.

What is the sea water temperature in December in Byblos?

In Byblos, the average seawater temperature in December is 20°C (68°F). For swimming, a surface water temperature of 20°C (68°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 Byblos?

The month with the shortest days in Byblos is December, with an average of 9h and 54min of daylight.

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

The average day length in December in Byblos is 9h and 56min.

When is the sunrise / sunset in December in Byblos?

In December, on the first day of the month, sunrise is at 06:25 and sunset at 16:27. On the last day of the month, in Byblos, sunrise is at 06:42 and sunset at 16:38 EET.

What are the months with the least sunshine in Byblos?

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

How long on average sun shines in December in Byblos?

In December, the average sunshine duration in Byblos, Lebanon, is 5h.

What are the months with the lowest UV index in Byblos?

The months with the lowest UV index in Byblos, Lebanon, are January and December, with an average maximum UV index of 3.

What is the UV index intensity in December in Byblos?

In Byblos, Lebanon, the average daily maximum UV index in December is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to Sun's UV rays.
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in December
Byblos, Lebanon

Average temperature in December - Byblos, Lebanon
  • Average high temperature in December: 11°C

The warmest months (with the highest average high temperature) are July and August (29°C).
The month with the lowest average high temperature is January (10°C).

  • Average low temperature in December: 4°C

The months with the highest average low temperature are July and August (15°C).
The coldest months (with the lowest average low temperature) are January and February (2°C).

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Average rainfall in December
Byblos, Lebanon

Average rainfall in December - Byblos, Lebanon
  • Average rainfall in December: 149mm

The wettest month (with the highest rainfall) is January (162mm).
The driest months (with the least rainfall) are July and August (0mm).

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Average rainfall days in December
Byblos, Lebanon

Average rainfall days in December - Byblos, Lebanon
  • Average rainfall days in December: 13 days

The month with the highest number of rainy days is January (15 days).
The months with the least rainy days are June, July, August and September (1 days).

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Average sea temperature in December
Byblos, Lebanon

Average sea temperature in December - Byblos, Lebanon
  • Average sea temperature in December: 20°C

The best month for swimming (with the highest average sea temperature) is August (28.5°C).
The coldest month (with the lowest average sea temperature) is February (17.5°C).

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Average daylight in December /
Average sunshine in December
Byblos, Lebanon

Average daylight in December / Average sunshine in December - Byblos, Lebanon
  • Average daylight in December: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in December: 5h

The months with the most sunshine are June and July (Average sunshine: 12h).
The months with the least sunshine are January, February and December (Average sunshine: 5h).

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Average UV index in December
Byblos, Lebanon

Average UV index in December - Byblos, Lebanon
  • Average UV index in December: 3

The months with the highest UV index are June and July (UV index 11).
The months with the lowest UV index are January and December (UV index 3).

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Byblos, Lebanon

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