April weather forecastSemanan, Indonesia

Weather in April

April, like March, is another hot autumn month in Semanan, Indonesia, with an average temperature ranging between max 30.6°C (87.1°F) and min 26.6°C (79.9°F).

Temperature

Semanan, Indonesia, marks the start of April with an average high-temperature of a still hot 30.6°C (87.1°F), hinting at a slight fluctuation from March's 30°C (86°F). Semanan, during April nights, experiences a subtle shift to a low average of 26.6°C (79.9°F) from the day's heat.

Heat index

In April, the heat index is evaluated at a sweltering 38°C (100.4°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 direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', arises from combining readings of air temperature and relative moisture content. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
The evaporation of sweat is a natural cooling mechanism of the human body, facilitated by perspiration. A higher relative humidity affects normal body cooling by reducing the evaporation rate, subsequently lowering the rate at which the body cools and increasing the perception of heat. Elevated heat gain compared to the body's release capability poses risks of dehydration and potential overheating.

Humidity

In Semanan, the average relative humidity in April is 74%.

Rainfall

In April, in Semanan, the rain falls for 25.2 days. Throughout April, 126mm (4.96") of precipitation is accumulated. In Semanan, during the entire year, the rain falls for 256 days and collects up to 1133mm (44.61") of precipitation.

Daylight

In April, the average length of the day is 11h and 58min.
On the first day of the month, sunrise is at 05:55 and sunset at 17:58. On the last day of April, in Semanan, sunrise is at 05:53 and sunset at 17:47 WIB.

Sunshine

In April, the average sunshine in Semanan is 8.9h.

UV index

The months with the highest UV index 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 in Semanan. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the average person.
Note: The UV index of 7 in April translates into these instructions:
Guard against overexposure. Protection from sun-induced harm is essential. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.