December weather forecast
Cilandeuh, Indonesia

December, the first month of the summer in Cilandeuh, is still a hot month, with temperature in the range of an average low of 25.2°C (77.4°F) and an average high of 30.2°C (86.4°F).

Temperature

The transition from November to December sees an average high-temperature of a still hot 30.2°C (86.4°F), indicating a minor variance from the prior month. In December, Cilandeuh temperatures settle at a low of 25.2°C (77.4°F) during the nights, reflecting a minor change from daytime highs.

Heat index

Throughout December, the heat index is appraised at a sweltering 37°C (98.6°F). Greater preventive actions are needed, heat exhaustion and heat cramps are likely. Persistent activity could provoke heatstroke.
Observations indicate that the heat index values are for shady locations with light wind. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
By perspiring, the human body can shed its excessive warmth since evaporated sweat cools it off. Under high air temperature and high humidity (high heat index) conditions, the body's ability to perspire is compromised, increasing the sensation of heat. Potential thermal conditions emerge as the body's heat gain outpaces its cooling mechanisms.

Humidity

The average relative humidity in December in Cilandeuh, Indonesia, is 76%.

Rainfall

In Cilandeuh, during December, the rain falls for 27.5 days and regularly aggregates up to 172mm (6.77") of precipitation. Throughout the year, there are 244.1 rainfall days, and 1214mm (47.8") of precipitation is accumulated.

Daylight

The month with the longest days is December, with an average of 12h and 30min of daylight.
On the first day of December in Cilandeuh, sunrise is at 05:20 and sunset at 17:49. On the last day of the month, sunrise is at 05:33 and sunset at 18:04 WIB.

Sunshine

The month with the least sunshine in Cilandeuh is December, with an average of 8.4h of sunshine.

UV index

The months with the highest UV index are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: An average maximum UV index of 7 in December leads to these recommendations:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.