December weather forecast
Gajahmungkur, Indonesia

The first month of the summer, December, is still a tropical month in Gajahmungkur, Indonesia, with an average temperature fluctuating between 25.1°C (77.2°F) and 31°C (87.8°F).

Temperature

Gajahmungkur, Indonesia, experiences a minor change to a still hot 31°C (87.8°F) in average high-temperature during December, closely reflecting November. An average low-temperature of 25.1°C (77.2°F) is expected in Gajahmungkur during December.

Heat index

During December, the heat index is calculated to be a scorching 40°C (104°F). Take more safety measures, heat exhaustion and heat cramps are potential outcomes. Persistent activity might lead to heatstroke.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', integrates the air's temperature and its humidity to showcase the felt temperature by people. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. Under high air temperature coupled with high humidity (high heat index), the body's perspiration is reduced, intensifying the sensation of heat. As the body accumulates more heat than it can release, body temperature goes up, increasing the risk of heat-related health issues.

Humidity

In Gajahmungkur, the average relative humidity in December is 76%.

Rainfall

In December, the rain falls for 24.8 days. Throughout December, 128mm (5.04") of precipitation is accumulated. In Gajahmungkur, during the entire year, the rain falls for 226.7 days and collects up to 1000mm (39.37") of precipitation.

Daylight

With an average of 12h and 30min of daylight, December has the longest days of the year in Gajahmungkur, Indonesia.
On the first day of the month, sunrise is at 05:12 and sunset at 17:42. On the last day of December, sunrise is at 05:25 and sunset at 17:57 WIB.

Sunshine

December has the least sunshine of the year, with an average of 8.2h of sunshine.

UV index

February through December, with an average maximum UV index of 7, are months with the highest UV index in Gajahmungkur. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: An average UV index of 7 in December transforms into this advice:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.