December weather forecast
Sur, Oman

December brings in minimal rainfall, but the declining temperatures signal the arrival of winter in Sur. The month experiences the shortest days of the year, with daylight hours clocking in at 10.8 hours. The cool climate continues into the last month of the year, wrapping up the weather cycle comprehensively. The transition into January is comfortable, with a continuation of lower temperatures and more limited daylight durations. The highest temperature records in December don't exceed 27.7°C (81.9°F), setting the scene for cooler days in Sur.

Temperature

The transition into December in Sur involves a small decrease in the average high-temperature, dipping slightly from a tropical 31.1°C (88°F) in November to a moderately hot 27.7°C (81.9°F). In December, the average low-temperature in Sur records at a refreshing 18.8°C (65.8°F) during the nights.

Heat index

Throughout December, the heat index is calculated to be a hot 30°C (86°F). If one persists in activity during exposure, it could induce weariness and subsequently, heat cramps.
Heat index readings emphasize conditions of light breezes and shaded spots. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is the result of factoring in humidity to the air temperature, indicating perceived warmth. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are particularly important for children. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.

Humidity

In Sur, the average relative humidity in December is 69%.

Rainfall

In December, in Sur, the rain falls for 1.6 days. Throughout December, 11mm (0.43") of precipitation is accumulated. Throughout the year, there are 13 rainfall days, and 82mm (3.23") of precipitation is accumulated.

Sea temperature

In Sur, in December, the average water temperature is 25.7°C (78.3°F).
Note: For swimming, diving, and enjoying other water activities, the range of 25°C (77°F) to 29°C (84.2°F) in water temperature is considered ideal, offering pleasure for extended periods without discomfort.

Daylight

With an average of 10h and 48min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 06:25 and sunset at 17:16. On the last day of December, sunrise is at 06:41 and sunset at 17:28 +04.

Sunshine

The average sunshine in December in Sur is 9h.

UV index

With an average maximum UV index of 6, December is the month with the lowest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: In December, the UV index of 6 transforms into the following advice:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Take warning! Reflective sand and water surfaces intensify the Sun's UV rays.