December weather forecast
Indramayu, Indonesia

The first month of the summer, December, is also a hot month in Indramayu, Indonesia, with an average temperature ranging between max 30.5°C (86.9°F) and min 26.9°C (80.4°F).

Temperature

December's weather records an average high-temperature of a still hot 30.5°C (86.9°F), showing little deviation from November. Indramayu's nights in December maintain a consistent average of 26.9°C (80.4°F), demonstrating a minimal differential from its daytime temperature.

Heat index

In December, the heat index is evaluated at a fiery hot 37°C (98.6°F). Extra safeguards are necessary to prevent heat exhaustion and heat cramps. Prolonged activity might cause heatstroke.
Data suggests that the heat index is set for environments in shade and with a light wind. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', marries air temperature and humidity to produce a value illustrating perceived warmth. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.
Perspiration is the body's default response to elevated temperatures, as it promotes the evaporation of sweat to achieve cooling. Relative humidity in excess curtails evaporation, therefore reducing heat dissipation from the body, leading to feelings of excess heat. Increasing body temperatures can be a precursor to dehydration if the body can't shed the extra heat.

Humidity

In December, the average relative humidity in Indramayu is 72%.

Rainfall

In Indramayu, Indonesia, during December, the rain falls for 26 days and regularly aggregates up to 150mm (5.91") of precipitation. In Indramayu, during the entire year, the rain falls for 215.5 days and collects up to 973mm (38.31") of precipitation.

Daylight

The month with the longest days is December, with an average of 12h and 30min of daylight.
On the first day of the month, sunrise is at 05:21 and sunset at 17:49. On the last day of December, in Indramayu, sunrise is at 05:35 and sunset at 18:04 WIB.

Sunshine

With an average of 8.7h of sunshine, December has the least sunshine of the year in Indramayu.

UV index

The months with the highest UV index in Indramayu, Indonesia, are January through December, with an average maximum UV index of 7. The months with the lowest UV index in Indramayu are January through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The maximum daily UV index, 7 in December, converts into the following recommendations:
Resist overexposure. Safeguarding from solar damage is indispensable. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.