December weather forecast
Lombok, Indonesia

December in Lombok, Indonesia marks the peak of the wet season with the highest rainfall throughout the year recorded at 165mm (6.5"). With the reduction in sunshine hours, the weather shows clear signs of a full-fledged rainy season. Even though the high rainfall frequency ushers in a fresh chill in the air, the temperatures still remain comfortable. Amidst the periodic rainfall, sunny moments become the proverbial silver lining, turning the island into an oasis of tropical beauty amidst monsoon showers. It's a month that balances sunny spells with cloudy skies and rainfall, sewing together a patchwork pattern of the tropical island weather.

Temperature

Lombok marks the start of December with an average high-temperature of a still warm 28.4°C (83.1°F), hinting at a slight fluctuation from November's 29°C (84.2°F). Lombok's temperature during December nights registers a minor decrease to an average low of 26.1°C (79°F).

Heat index

December's mean heat index is appraised at a tropical 33°C (91.4°F). Exercise enhanced safety steps, heat cramps and heat exhaustion are probable. Heatstroke could be a result of sustained activity.
Records show heat index calculations are tailored for shaded regions and mild winds. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', binds temperature metrics with humidity values to give a sense of the actual warmth. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.

Humidity

The months with the highest humidity are January through March, May through July, September and December, with an average relative humidity of 79%.

Rainfall

The month with the most rainfall is December, when the rain falls for 25.8 days and typically aggregates up to 165mm (6.5") of precipitation.

Daylight

The month with the longest days in Lombok, Indonesia, is December, with an average of 12h and 36min of daylight.
On the first day of the month, sunrise is at 05:46 and sunset at 18:21. On the last day of December, sunrise is at 05:59 and sunset at 18:36 WITA.

Sunshine

The average sunshine in December is 9.7h.

UV index

January through May, July through December, with an average maximum UV index of 7, are months with the highest UV index in Lombok. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: In December, an average UV index of 7 transforms into the following instructions:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.