December weather forecast
Setiamekar, Indonesia

The first month of the summer, December, is still a tropical month in Setiamekar, Indonesia, with an average temperature fluctuating between 26.3°C (79.3°F) and 30.5°C (86.9°F).

Temperature

Setiamekar's December reports an average high-temperature of a still tropical 30.5°C (86.9°F), exhibiting a minor difference from November. Setiamekar, during the nights of December, averages a temperature close to its daytime high, at a warm 26.3°C (79.3°F).

Heat index

For most parts of December, the heat index is calculated to be a fiery hot 37°C (98.6°F). Take more caution, heat exhaustion and heat cramps may occur. Long-lasting activity may cause heatstroke.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', unifies temperature and humidity readings to offer a comprehensive feel of warmth. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.
When it comes to cooling down, the human body's primary method is through perspiration, making use of sweat evaporation to eliminate excess heat. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.

Humidity

In Setiamekar, the average relative humidity in December is 71%.

Rainfall

In December, the rain falls for 27.3 days. Throughout December, 195mm (7.68") of precipitation is accumulated. In Setiamekar, Indonesia, during the entire year, the rain falls for 265.8 days and collects up to 1584mm (62.36") of precipitation.

Daylight

With an average of 12h and 30min of daylight, December has the longest days of the year in Setiamekar.
On the first day of December in Setiamekar, sunrise is at 05:27 and sunset at 17:54. On the last day of the month, sunrise is at 05:40 and sunset at 18:09 WIB.

Sunshine

In Setiamekar, the average sunshine in December is 9.2h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index in Setiamekar. 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 radiation for the average person.
Note: A maximum UV index of 7 in December translates into the following recommendations:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.