December weather forecastSalalah, Oman
December
Weather in December
Salalah graces the end of the year with remarkably stable and moderate weather in December. The pleasantness continues with stable temperatures and lower humidity. Reduced rainfall and sea temperatures provide respite to locals and tourists. The winter sun, with 9.6 hours of sunshine, characterizes the daytime. The recorded rainfall of 1mm (0.04") over a day marks this as the second least rainy period after April.Temperature
The onset of December notes an average high-temperature of a warm 28.7°C (83.7°F), subtly shifted from November's 30.8°C (87.4°F). The low-temperature averages to a refreshing 18.8°C (65.8°F) during the nights of December.Heat index
In December, the average heat index is computed to be 29°C (84.2°F). If one remains active during constant exposure, it might cause exhaustion and heat cramps.Know that the heat index computations account for shaded terrains and slight winds. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', reflects the feeling of heat when considering both air temperature and humidity. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.
Humidity
January and December, with an average relative humidity of 50%, are the least humid months in Salalah, Oman.Rainfall
December is the month with the least rainfall in Salalah, with 1mm (0.04") of accumulated precipitation.Sea temperature
In December, the average sea temperature in Salalah, Oman, is 26°C (78.8°F).Note: For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.
Daylight
With an average of 11h and 6min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 06:37 and sunset at 17:48. On the last day of December, in Salalah, sunrise is at 06:52 and sunset at 18:00 +04.
Sunshine
In Salalah, the average sunshine in December is 9.6h.UV index
With an average maximum UV index of 8, December is the month with the lowest UV index in Salalah. A UV Index of 8 to 10 symbolizes a very high health hazard from unsafe exposure to UV radiation for the average person.Note: A maximum daily UV index of 8 during December morphs into the following directions:
Being unprotected puts skin and eyes at risk of rapid damage. Always be safe. 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. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Be wary! Reflections from sand and water make UV radiation more intense.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Salalah, Oman
- Average high temperature in December: 28.7°C
The warmest month (with the highest average high temperature) is May (32.4°C).
The month with the lowest average high temperature is August (27.3°C).
- Average low temperature in December: 18.8°C
The month with the highest average low temperature is June (26.5°C).
The coldest month (with the lowest average low temperature) is January (17.9°C).
Average humidity in December
Salalah, Oman
- Average humidity in December: 50%
The month with the highest relative humidity is August (90%).
The months with the lowest relative humidity are January and December (50%).
Average rainfall in December
Salalah, Oman
- Average rainfall in December: 1.1mm
The wettest month (with the highest rainfall) is July (24.6mm).
The driest month (with the least rainfall) is December (1.1mm).
Average rainfall days in December
Salalah, Oman
- Average rainfall days in December: 0 days
The month with the highest number of rainy days is August (15 days).
The months with the least rainy days are April, October, November and December (0 days).
Average sea temperature in December
Salalah, Oman
- Average sea temperature in December: 26°C
The best month for swimming (with the highest average sea temperature) is May (29.1°C).
The coldest month (with the lowest average sea temperature) is August (24.3°C).
Average daylight in December /
Average sunshine in December
Salalah, Oman
- Average daylight in December: 11h and 6min
The month with the longest days is June (Average daylight: 13h and 6min).
The month with the shortest days is December (Average daylight: 11h and 6min).
- Average sunshine in December: 9h and 36min
The month with the most sunshine is May (Average sunshine: 10h and 48min).
The months with the least sunshine are July and August (Average sunshine: 1h and 24min).
Average UV index in December
Salalah, Oman
- Average UV index in December: 8
The months with the highest UV index are March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 8).





