April weather forecast
Batam, Indonesia

In April, Batam, Indonesia continues its weather trajectory with lingering warm temperatures. The city experiences a noticeable boost in both rainfall and humidity from March. Rainfall escalates, reaching 110mm (4.33"), establishing April as the onset of a markedly wet period in comparison to preceding months. Despite the uptick in rain, Batam still enjoys ample sunshine, lighting up the city with tropical vibrancy. This moist and warm climate pattern persists well into May, maintaining the trend of the wet season.

Temperature

During April, Batam records an average high-temperature of a still tropical 31.1°C (88°F), marking a slight divergence from March's 30.7°C (87.3°F). Batam's nighttime temperatures in April settle close to daytime highs at an average of 26.9°C (80.4°F).

Heat index

During April, the heat index is evaluated at a fiery hot 39°C (102.2°F). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Heat index values are typically calculated for conditions of shade and a light breeze. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', gauges the sensation of temperature factoring in the air's moisture content. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
Perspiration, followed by sweat evaporation, is the human body's chief method to maintain a balanced temperature. Excessive relative humidity disturbs the body's typical cooling process by reducing evaporation, leading to a decrease in body cooling rate and an increase in the sensation of warmth. Overheating dangers loom when the body's heat release mechanisms are overshadowed by excessive gain.

Humidity

The average relative humidity in April in Batam is 75%.

Rainfall

In April, in Batam, the rain falls for 24.3 days. Throughout April, 110mm (4.33") of precipitation is accumulated. Throughout the year, in Batam, there are 267.5 rainfall days, and 1342mm (52.83") of precipitation is accumulated.

Daylight

The average length of the day in April in Batam is 12h and 8min.
On the first day of April in Batam, sunrise is at 06:03 and sunset at 18:11. On the last day of the month, sunrise is at 05:56 and sunset at 18:05 WIB.

Sunshine

The average sunshine in April is 9.7h.

UV index

The months with the highest UV index are January through December, with an average maximum UV index of 7. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum UV index of 7 during April translates into these guidelines:
Shield from overexposure. Defense against sun-related harm is required. 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. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.