December weather forecast and climate
Beirut, Lebanon

The beautiful city of Beirut, Lebanon
The beautiful city of Beirut, Lebanon
The first month of the winter, December, is also an enjoyable month in Beirut, Lebanon, with temperature in the range of an average low of 12.9°C (55.2°F) and an average high of 19.4°C (66.9°F).

Temperature

In Beirut, the average high-temperature slightly decreases, from a moderately hot 23.2°C (73.8°F) in November, to an enjoyable 19.4°C (66.9°F). In December, in Beirut, the average low-temperature is 12.9°C (55.2°F).

Humidity

The average relative humidity in Beirut is 68%.

Rainfall

In Beirut, it is raining for 12 days, with typically 163.8mm (6.45") of accumulated precipitation. In Beirut, during the entire year, the rain falls for 68 days and collects up to 825.5mm (32.5") of precipitation.

Sea temperature

In Beirut, the average seawater temperature in December is 20.2°C (68.4°F).
Note: For swimming, a surface water temperature of 20.2°C (68.4°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

With an average of 9.9h of daylight, December has the shortest days of the year.

Sunshine

The average sunshine in December is 4.7h.

UV index

January and December, with an average maximum UV index of 3, are months with the lowest UV index in Beirut. A UV Index of 3 to 5 symbolizes a moderate threat to health from the exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 3 in December interpret into the following advice:
Take precautions - Protection against sun damage is advised. 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 Beirut?

In December, in Beirut, Lebanon, the average high-temperature is 19.4°C (66.9°F), and the average low-temperature is 12.9°C (55.2°F).

What is the average humidity in December in Beirut?

In Beirut, Lebanon, the average relative humidity in December is 68%.

How many days does it rain in December in Beirut?

In Beirut, Lebanon, during December, the rain falls for 12 days and regularly aggregates up to 163.8mm (6.45") of precipitation.

What is the sea temperature in December in Beirut?

In Beirut, in December, the average water temperature is 20.2°C (68.4°F). For most, swimming in 20.2°C (68.4°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 Beirut?

December has the shortest days of the year in Beirut, Lebanon, with an average of 9.9h of daylight.

How many hours of daylight does Beirut have in December?

In Beirut, Lebanon, the average length of the day in December is 9.9h.

How long on average sun shines in December in Beirut?

In Beirut, the average sunshine in December is 4.7h.

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

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

How high is the UV index in December in Beirut?

In December, the average daily maximum UV index in Beirut is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to the UV radiation.
Average temperature in December - Beirut, Lebanon
  • Average high temperature in December: 19.4°C

The warmest month (with the highest average high temperature) is August (30.7°C).
The month with the lowest average high temperature is January (17.4°C).

  • Average low temperature in December: 12.9°C

The month with the highest average low temperature is August (24.8°C).
The coldest month (with the lowest average low temperature) is February (11°C).

Average humidity in December - Beirut, Lebanon
  • Average humidity in December: 68%

Months with the highest relative humidity are July and August (73%).
The month with the lowest relative humidity is November (66%).

Average rainfall in December - Beirut, Lebanon
  • Average rainfall in December: 163.8mm

The wettest month (with the highest rainfall) is January (190.9mm).
The driest month (with the least rainfall) is July (0.3mm).

Average rainfall days in December - Beirut, Lebanon
  • Average rainfall days in December: 12 days

The month with the highest number of rainy days is January (15 days).
Months with the least rainy days are June, July and August (0 days).

Average sea temperature in December - Beirut, Lebanon
  • Average sea temperature in December: 20.2°C

The best month for swimming (with the highest average sea temperature) is August (28.6°C).
The coldest month (with the lowest average sea temperature) is February (17.4°C).

Average daylight in December / Average sunshine in December - Beirut, Lebanon
  • Average daylight in December: 9.9h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in December: 4.7h

Months with the most sunshine are June and July (Average sunshine: 11.6h).
The month with the least sunshine is January (Average sunshine: 4.2h).

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

The month with the highest UV index is July (UV index 12).
Months with the lowest UV index are January and December (UV index 3).