December weather forecast
Kestalan, Indonesia

December, the first month of the summer in Kestalan, is also a moderately hot month, with an average temperature fluctuating between 22.1°C (71.8°F) and 28.9°C (84°F).

Temperature

Kestalan experiences a subtle adjustment in high-temperatures to a still warm 28.9°C (84°F) with the onset of December, maintaining near parity with November's 29.9°C (85.8°F). During December, the average low-temperature is an agreeable 22.1°C (71.8°F).

Heat index

The heat index value for December is evaluated at a very hot 35°C (95°F). Take more caution, heat exhaustion and heat cramps may occur. Long-lasting activity may cause heatstroke.
One should be cognizant that the heat index values are tailored for shaded spots and mild winds. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'feels like' or 'real feel', is the outcome of merging air's temperature and its humidity metrics. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are particularly relevant to babies and toddlers. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
The innate cooling system of the human body revolves around perspiration, with the evaporation of sweat being central to this process. During high air temperature and humidity (high heat index), the process of perspiration is hindered, intensifying the sensation of heat. Heat disorders may be on the horizon when body temperatures rise from inadequate heat management.

Humidity

In Kestalan, the average relative humidity in December is 83%.

Rainfall

In Kestalan, Indonesia, during December, the rain falls for 29 days and regularly aggregates up to 230mm (9.06") of precipitation. In Kestalan, during the entire year, the rain falls for 276.6 days and collects up to 2049mm (80.67") of precipitation.

Daylight

The month with the longest days is December, with an average of 12h and 36min of daylight.
On the first day of December, sunrise is at 05:09 and sunset at 17:41. On the last day of the month, sunrise is at 05:23 and sunset at 17:56 WIB.

Sunshine

The months with the least sunshine in Kestalan are January and December, with an average of 7h of sunshine.

UV index

The months with the lowest UV index in Kestalan are January through August, November and December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: The daily high UV index of 6 in December translates into this advice:
Shun overexposure. Protection from sun ravages is indispensable. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.