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

The average high-temperature for April is a still hot 31.1°C (88°F), closely aligning with the temperature of the preceding month. The month of April is marked by an average minimum temperature of 26.9°C (80.4°F), slightly cooler than its daytime counterpart.

Heat index

During April, the heat index is computed to be a sweltering 39°C (102.2°F). Incorporate additional safety actions, heat cramps and heat exhaustion are possible. Long-term activity may induce heatstroke.
Evaluating the heat index requires understanding its values in the shade and with gentle winds. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', takes into account both air temperature and humidity to illustrate what people actually feel. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
Through perspiration, the body has a natural mechanism to eliminate excessive heat via sweat evaporation. An elevated level of relative humidity hinders evaporation, leading to decreased heat elimination from the body, inducing a sensation of excess heat. When heat surpasses the body's release mechanisms, dehydration and overheating risks become pronounced.

Humidity

In Batam, Indonesia, the average relative humidity in April is 75%.

Rainfall

In Batam, during April, the rain falls for 24.3 days and regularly aggregates up to 110mm (4.33") of precipitation. In Batam, during the entire year, the rain falls for 267.5 days and collects up to 1342mm (52.83") of precipitation.

Daylight

In April, the average length of the day is 12h and 8min.
On the first day of April, 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

January through December, with an average maximum UV index of 7, are months with the highest UV index. 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 health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index of 7 in April converts into the following recommendations:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.