December weather forecast
Gempolklutuk, Indonesia

The first month of the summer, December, is still a hot month in Gempolklutuk, Indonesia, with an average temperature ranging between min 24.1°C (75.4°F) and max 31.5°C (88.7°F).

Temperature

December brings an average high-temperature of a still hot 31.5°C (88.7°F), showing a slight difference from November's 33.5°C (92.3°F). Throughout December, an average nighttime temperature of 24.1°C (75.4°F) is experienced.

Heat index

Throughout December, the heat index is estimated at an extremely hot 41°C (105.8°F). Ensure extra safety measures, heat exhaustion and heat cramps are likely. Continuous activity might result in heatstroke.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
The natural cooling mechanism in humans involves perspiration, where the evaporation of sweat balances out excessive warmth. An elevated level of relative humidity hinders evaporation, leading to decreased heat elimination from the body, inducing a sensation of excess heat. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.

Humidity

The average relative humidity in December is 77%.

Rainfall

In Gempolklutuk, Indonesia, during December, the rain falls for 28.5 days and regularly aggregates up to 192mm (7.56") of precipitation. Throughout the year, there are 218.1 rainfall days, and 1410mm (55.51") of precipitation is accumulated.

Daylight

December has the longest days of the year, with an average of 12h and 30min of daylight.
On the first day of December, sunrise is at 05:03 and sunset at 17:34. On the last day of the month, sunrise is at 05:16 and sunset at 17:49 WIB.

Sunshine

In December, the average sunshine is 7.9h.

UV index

The months with the highest UV index are February, April through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for average individuals.
Note: In December, an average UV index of 7 transforms into the following instructions:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn 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. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.