December weather forecastLarantuka, Indonesia

Weather in December

December, the first month of the summer in Larantuka, is also a moderately hot month, with temperature in the range of an average high of 29.6°C (85.3°F) and an average low of 27.8°C (82°F).

Temperature

The average high-temperature in December, at a still moderately hot 29.6°C (85.3°F), reveals a modest deviation from November's 29.7°C (85.5°F). Larantuka documents an average low-temperature of 27.8°C (82°F) for the nights of December.

Heat index

In December, the average heat index is calculated to be a very hot 35°C (95°F). Heightened safety actions are necessary, heat cramps and heat exhaustion are probable. Persistent activity may lead to heatstroke.
For clarity, heat index numbers account for light winds and areas under shade. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. 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. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
When faced with excessive heat, the human body begins to perspire, utilizing the cooling benefits of sweat evaporation. A surge in relative humidity can disrupt the body's normal cooling function by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.

Humidity

In December, the average relative humidity is 75%.

Rainfall

In Larantuka, in December, during 27.6 rainfall days, 184mm (7.24") of precipitation is typically accumulated. Throughout the year, in Larantuka, there are 185.3 rainfall days, and 1087mm (42.8") of precipitation is accumulated.

Daylight

The month with the longest days is December, with an average of 12h and 36min of daylight.
On the first day of the month, sunrise is at 05:20 and sunset at 17:54. On the last day of December, in Larantuka, sunrise is at 05:33 and sunset at 18:09 WITA.

Sunshine

In Larantuka, the average sunshine in December is 9.3h.

UV index

The months with the highest UV index are January through December, with an average maximum UV index of 7. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: In December, the maximum UV index of 7 translates into these guidelines:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Stay sun-safe with clothing that is both closely woven and worn loosely.