April weather forecast
Ancol, Indonesia

April, like March, is another hot autumn month in Ancol, Indonesia, with an average temperature varying between 24.3°C (75.7°F) and 30.8°C (87.4°F).

Temperature

The start of April marks an average high-temperature of a still tropical 30.8°C (87.4°F), hardly distinguishable from the conditions in March. Ancol records an average temperature drop to a moderately hot 24.3°C (75.7°F) in April.

Heat index

The heat index value for April is calculated to be a blistering 40°C (104°F). Exercise extra preventive actions, heat cramps and heat exhaustion are plausible. Continuous activity could result in heatstroke.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'feels like' or 'real feel', takes into account both air temperature and humidity to illustrate what people actually feel. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
Evaporating sweat, thanks to perspiration, acts as a natural air conditioner for the human body. Excessive relative humidity disturbs the body's typical cooling process by reducing evaporation, leading to a decrease in body cooling rate and an increase in the sensation of warmth. When heat surpasses the body's release mechanisms, dehydration and overheating risks become pronounced.

Humidity

The average relative humidity in April in Ancol is 79%.

Rainfall

In Ancol, in April, it is raining for 28.1 days, with typically 171mm (6.73") of accumulated precipitation. In Ancol, during the entire year, the rain falls for 292.5 days and collects up to 1468mm (57.8") of precipitation.

Daylight

The average length of the day in April in Ancol is 11h and 58min.
On the first day of the month, sunrise is at 05:55 and sunset at 17:57. On the last day of April, sunrise is at 05:52 and sunset at 17:46 WIB.

Sunshine

In Ancol, the average sunshine in April is 8.6h.

UV index

February through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 7 during April translates into the following recommendations:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.