October weather forecast
Batam, Indonesia

October in Batam, Indonesia illustrates a return to higher precipitation rates after a notably dry September. Persistent warm temperatures and consistent humidity levels continue to mark the city's unvarying tropical weather. This rise in rainfall, from 58mm (2.28") in September to 108mm (4.25") in October, establishes a fairly wet ambiance. Despite the increase in precipitation, Batam remains sunny, profiting from its geographical location near the equator. Moving into November, the city braces for the wettest month of the year, a distinct characteristic of the city's tropical weather persona.

Temperature

The shift into October reveals an average high-temperature of a still hot 30.8°C (87.4°F), closely mirroring September's climate. Batam sustains a near constant temperature throughout October, with nighttime averages of 27°C (80.6°F).

Heat index

The heat index in October is evaluated at a sweltering 38°C (100.4°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'feels like' or 'apparent temperature', arises from combining readings of air temperature and relative moisture content. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.
Sweat evaporation plays a crucial role in cooling the human body, a process enabled by perspiration. When relative humidity is on the rise, it curtails evaporation, thereby reducing the heat elimination from the body and causing the feeling of being excessively hot. Increasing body temperatures can be a precursor to dehydration if the body can't shed the extra heat.

Humidity

The least humid month is October, with an average relative humidity of 72%.

Rainfall

In October, in Batam, the rain falls for 23.1 days. Throughout October, 108mm (4.25") of precipitation is accumulated. In Batam, during the entire year, the rain falls for 267.5 days and collects up to 1342mm (52.83") of precipitation.

Daylight

The average length of the day in October is 12h and 5min.
On the first day of the month, sunrise is at 05:50 and sunset at 17:56. On the last day of October, sunrise is at 05:45 and sunset at 17:49 WIB.

Sunshine

In Batam, the average sunshine in October is 8.6h.

UV index

The months with the highest UV index in Batam 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 unsafe exposure to UV radiation for the average person.
Note: An average maximum UV index of 7 in October leads to these recommendations:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.