April weather forecast
Banjarmasin, Indonesia

The weather conditions in April for Banjarmasin, Indonesia, start to present an observable transition from the preceding wet conditions. With the city exiting the monsoon season, less rainfall is recorded, and the high levels of humidity start to retreat. Improved visibility and longer sunshine hours encourage more outdoor activities compared to the early months of the year. The wind speeds remain fairly constant, signifying well-balanced climatic conditions. However, the declining rainfall trends register at 186mm (7.32") for the month.

Temperature

With the advent of April, Banjarmasin experiences an average high-temperature of a still tropical 31.3°C (88.3°F), mirroring a close resemblance to the previous month. During the month of April, an average temperature of 24.6°C (76.3°F) is noted during the nights in Banjarmasin.

Heat index

The heat index in April is evaluated at an extremely hot 43°C (109.4°F). Observe: Heat exhaustion and heat cramps are probable. Heatstroke is on the horizon with prolonged exertion.
Heat index determinations are made taking into account the shade and light air movements. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is achieved by amalgamating air temperature with the relative humidity readings. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.
The body's inherent cooling system operates through perspiration, wherein evaporating sweat offsets excessive heat. Under conditions of high temperature and humidity (enhanced heat index), sweat production is compromised, exacerbating the sensation of warmth. Heat absorption that surpasses the body's shedding capability can lead to overheating and varying levels of dehydration.

Humidity

April through June, with an average relative humidity of 83%, are the most humid months in Banjarmasin, Indonesia.

Rainfall

In April, the rain falls for 25.4 days. Throughout April, 186mm (7.32") of precipitation is accumulated. Throughout the year, there are 249.1 rainfall days, and 1596mm (62.83") of precipitation is accumulated.

Sea temperature

March, April, November and December, with an average sea temperature of 29.8°C (85.6°F), are months with the warmest seawater.
Note: Water activities in temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are pleasurable, without feeling uncomfortable even during extended periods.

Daylight

The average length of the day in April is 12h and 2min.
On the first day of the month, sunrise is at 06:23 and sunset at 18:27. On the last day of April, sunrise is at 06:18 and sunset at 18:18 WITA.

Sunshine

The average sunshine in April is 7.9h.

UV index

The months with the highest UV index in Banjarmasin are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: A daily maximum UV index of 7 in April translates into the following instructions:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Be alert! The reflection of water and sand augments UV radiation intensity.