April weather forecast
Martapura, Indonesia

April, like March, is another tropical autumn month in Martapura, Indonesia, with an average temperature fluctuating between 23.4°C (74.1°F) and 30.8°C (87.4°F).

Temperature

The average high-temperature for April is a still tropical 30.8°C (87.4°F), closely aligning with the temperature of the preceding month. Martapura throughout April, experiences an average nighttime temperature of 23.4°C (74.1°F).

Heat index

For April, the heat index is appraised at an extremely hot 42°C (107.6°F). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.
Heat index determinations are made taking into account the shade and light air movements. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', embodies the combination of air temperature and moisture content to illustrate perceived heat. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
To achieve cooling, the human body employs perspiration, relying on the subsequent evaporation of sweat. When the relative humidity is high, the evaporation rate is reduced. The warmth is removed from the body at a lower rate, causing the body to retain more heat than it would in dry air. Rising body temperatures due to excess heat retention could signify impending heat disorders.

Humidity

The months with the highest humidity are March through June, with an average relative humidity of 85%.

Rainfall

April is the month with the most rainfall in Martapura. Rain falls for 26.7 days and accumulates 193mm (7.6") of precipitation.

Daylight

In April, the average length of the day in Martapura, Indonesia, is 12h and 2min.
On the first day of April in Martapura, sunrise is at 06:22 and sunset at 18:26. On the last day of the month, sunrise is at 06:17 and sunset at 18:17 WITA.

Sunshine

The average sunshine in April is 7.4h.

UV index

The months with the highest UV index in Martapura are January through December, with an average maximum UV index of 7. The months with the lowest UV index in Martapura are January through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the average person.
Note: The maximum daily UV index, 7 in April, converts into the following recommendations:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. 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. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.