April weather forecast
Biru, Indonesia

April, like March, in Biru, Indonesia, is another warm autumn month, with an average temperature ranging between max 28.6°C (83.5°F) and min 21.4°C (70.5°F).

Temperature

April observes an average high-temperature of a still warm 28.6°C (83.5°F), marking an insignificant difference from March's 28.5°C (83.3°F). Throughout April, Biru encounters an average temperature drop to an agreeable 21.4°C (70.5°F).

Heat index

During April, the heat index is computed to be a very hot 35°C (95°F). Greater safety measures are needed, risk of heat exhaustion and heat cramps is high. Continuous activity might trigger heatstroke.
Research indicates the heat index considers values in shaded locales and with light winds. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', gives an indication of how one might feel in terms of heat after considering humidity. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance 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.
When the body gets too warm, it perspires, leading to sweat evaporation which cools it down. When there is an excess of moisture in the atmosphere, the efficiency of the evaporation process is lessened, leading to less efficient body cooling and a sensation of overheating. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.

Humidity

In April, the average relative humidity is 85%.

Rainfall

In Biru, in April, it is raining for 28.9 days, with typically 262mm (10.31") of accumulated precipitation. Throughout the year, there are 304.3 rainfall days, and 2093mm (82.4") of precipitation is accumulated.

Daylight

The average length of the day in April is 11h and 57min.
On the first day of April, sunrise is at 05:51 and sunset at 17:53. On the last day of the month, sunrise is at 05:50 and sunset at 17:42 WIB.

Sunshine

In Biru, the average sunshine in April is 7.9h.

UV index

January through December, with an average maximum UV index of 6, 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 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index, 6 in April, converts into the following recommendations:
Prevent overexposure. Protection from the sun's harmful effects is needed. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.