December weather forecast
Gemurung, Indonesia

The first month of the summer, December, is still a tropical month in Gemurung, Indonesia, with temperature in the range of an average high of 31.2°C (88.2°F) and an average low of 26.3°C (79.3°F).

Temperature

December's onset brings an average high-temperature of a still tropical 31.2°C (88.2°F), showing a minute difference from November's 32.4°C (90.3°F). In Gemurung, December nights experience a modest descent in temperature from daily peaks, cooling down to an average of 26.3°C (79.3°F).

Heat index

During December, the heat index is calculated to be a very hot 39°C (102.2°F). Ensure additional precautions, heat exhaustion and heat cramps may be expected. Heatstroke could occur from sustained activity.
Understand that the heat index values take into account shaded locations and mild winds. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'feels like' or 'real feel', ties air temperature with relative humidity to produce the perceived temperature sensation. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
The primary way humans combat excessive warmth is by perspiring, letting sweat evaporate and cool the body. In conditions of both high temperature and humidity (a high heat index), sweating is limited and the perception of heat is enhanced. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.

Humidity

In December, the average relative humidity is 74%.

Rainfall

In December, in Gemurung, the rain falls for 24.7 days. Throughout December, 102mm (4.02") of precipitation is accumulated. Throughout the year, in Gemurung, Indonesia, there are 187.8 rainfall days, and 839mm (33.03") of precipitation is accumulated.

Daylight

The month with the longest days in Gemurung is December, with an average of 12h and 30min of daylight.
On the first day of the month, sunrise is at 05:02 and sunset at 17:33. On the last day of December, sunrise is at 05:15 and sunset at 17:48 WIB.

Sunshine

In December, the average sunshine is 8.6h.

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 estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index of 7 during December translates into these guidelines:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.