December weather forecastSampiran, Indonesia

Weather in December

The first month of the summer, December, is also a hot month in Sampiran, Indonesia, with an average temperature fluctuating between 30.2°C (86.4°F) and 24.5°C (76.1°F).

Temperature

Sampiran's average high-temperature in December is a still tropical 30.2°C (86.4°F), marking an insignificant difference from the 31°C (87.8°F) of November. Sampiran experiences a mean temperature of 24.5°C (76.1°F) during December nights.

Heat index

The heat index for December is evaluated at a fiery hot 37°C (98.6°F). Implement heightened safety measures - risk of heat exhaustion and heat cramps is increased. Prolonged activity may result in heatstroke.
Heat index values are typically calculated for conditions of shade and a light breeze. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', arises from combining readings of air temperature and relative moisture content. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
The innate cooling system of the human body revolves around perspiration, with the evaporation of sweat being central to this process. Higher relative humidity impedes evaporation, thus reducing heat dispersion from the body, culminating in a sensation of overheating. Excessive heat gain, when not shed effectively by the body, can result in increasing body temperatures and related hazards.

Humidity

In Sampiran, the average relative humidity in December is 77%.

Rainfall

In Sampiran, in December, during 27.5 rainfall days, 149mm (5.87") of precipitation is typically accumulated. In Sampiran, during the entire year, the rain falls for 292.3 days and collects up to 1434mm (56.46") of precipitation.

Daylight

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

Sunshine

The month with the most sunshine is December, with an average of 9.4h of sunshine.

UV index

February through December, with an average maximum UV index of 7, are months with the highest UV index in Sampiran. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for average individuals.
Note: In December, the maximum UV index of 7 suggests this advice:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays.