April weather forecast
Rengas Pulau, Indonesia

April, like March, is another tropical spring month in Rengas Pulau, Indonesia, with an average temperature ranging between min 25.6°C (78.1°F) and max 31.8°C (89.2°F).

Temperature

Transitioning into April, Rengas Pulau records an average high-temperature of a still tropical 31.8°C (89.2°F), almost identical to March's 31.4°C (88.5°F). Rengas Pulau in April anticipates an average nighttime temperature of 25.6°C (78.1°F).

Heat index

The average heat index in April is calculated to be a blisteringly hot 42°C (107.6°F). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.
Be informed that the heat index values are oriented around shady conditions and gentle breezes. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
The innate cooling system of the human body revolves around perspiration, with the evaporation of sweat being central to this process. When the level of relative humidity is elevated, evaporation diminishes, causing more warmth to be retained in the body than in dry air. When heat surpasses the body's release mechanisms, dehydration and overheating risks become pronounced.

Humidity

In Rengas Pulau, the average relative humidity in April is 76%.

Rainfall

In Rengas Pulau, during April, the rain falls for 28 days and regularly aggregates up to 121mm (4.76") of precipitation. Throughout the year, there are 317.8 rainfall days, and 1437mm (56.57") of precipitation is accumulated.

Daylight

The average length of the day in April is 12h and 12min.
On the first day of the month, sunrise is at 06:24 and sunset at 18:33. On the last day of April, in Rengas Pulau, sunrise is at 06:15 and sunset at 18:30 WIB.

Sunshine

The average sunshine in April is 8.8h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index. 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 threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: In April, the average maximum UV index of 7 translates into the following recommendations:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.