December weather forecast
Umm Lajj, Saudi Arabia

December invites the mild but beautiful winter season to Umm Lajj. The city begins to cool firmly, ensuring a comfortable end to the year as the temperatures continue their downward spiral. The change in weather is accompanied by a palpable drop in daylight hours when compared to those of November. The decrease in humidity percentage suggests the onset of drier conditions. The peak temperature continues on the cooling trend from November and moderately sits at 27.1°C (80.8°F).

Temperature

With the onset of December, Umm Lajj's climate undergoes a slight change as the average high-temperature moves from a tropical 30.1°C (86.2°F) in November to a moderately hot 27.1°C (80.8°F). Umm Lajj, during December, witnesses an average low-temperature of 21.3°C (70.3°F).

Heat index

The heat index for December is appraised at 27°C (80.6°F). If one persists in activity during exposure, it could induce weariness and subsequently, heat cramps.
Research indicates the heat index considers values in shaded locales and with light winds. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a single figure representing how weather conditions feel when combining temperature and humidity. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.

Humidity

The average relative humidity in December in Umm Lajj, Saudi Arabia, is 46%.

Rainfall

In Umm Lajj, Saudi Arabia, during December, the rain falls for 2.5 days and regularly aggregates up to 7mm (0.28") of precipitation. In Umm Lajj, during the entire year, the rain falls for 17 days and collects up to 47mm (1.85") of precipitation.

Sea temperature

In Umm Lajj, in December, the average water temperature is 26.2°C (79.2°F).
Note: Water temperatures from 25°C (77°F) to 29°C (84.2°F) make swimming, diving, and similar activities highly pleasurable and enjoyable for long periods without discomfort.

Daylight

With an average of 10h and 36min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 06:59 and sunset at 17:40. On the last day of the month, sunrise is at 07:15 and sunset at 17:52 +03.

Sunshine

November and December, with an average of 7.6h of sunshine, are months with the least sunshine.

UV index

The months with the lowest UV index are January, November and December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The UV index of 6 in December translates into these instructions:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. 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. Notice! The reflection of water and sand increases the UV radiation significantly.