April weather forecastBiru, Indonesia
April
Weather in April
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.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Biru, Indonesia
- Average high temperature in April: 28.6°C
The warmest month (with the highest average high temperature) is October (28.9°C).
The month with the lowest average high temperature is July (27°C).
- Average low temperature in April: 21.4°C
The months with the highest average low temperature are January and December (21.8°C).
The coldest month (with the lowest average low temperature) is August (19.2°C).
Average pressure in April
Biru, Indonesia
- Average pressure in April: 1010mbar
The month with the highest atmospheric pressure is September (1011.7mbar).
The month with the lowest atmospheric pressure is December (1009.4mbar).
Average wind speed in April
Biru, Indonesia
- Average wind speed in April: 4.3km/h
The windiest month (with the highest average wind speed) is September (6.7km/h).
The calmest month (with the lowest average wind speed) is February (4.1km/h).
Average humidity in April
Biru, Indonesia
- Average humidity in April: 85%
The months with the highest relative humidity are May, June and July (86%).
The months with the lowest relative humidity are September and October (81%).
Average rainfall in April
Biru, Indonesia
- Average rainfall in April: 262mm
The wettest month (with the highest rainfall) is March (310mm).
The driest month (with the least rainfall) is August (30mm).
Average rainfall days in April
Biru, Indonesia
- Average rainfall days in April: 28.9 days
The month with the highest number of rainy days is March (30.6 days).
The month with the least rainy days is August (16.4 days).
Average daylight in April /
Average sunshine in April
Biru, Indonesia
- Average daylight in April: 12h and 0min
The month with the longest days is December (Average daylight: 12h and 30min).
The month with the shortest days is June (Average daylight: 11h and 42min).
- Average sunshine in April: 7h and 54min
The month with the most sunshine is October (Average sunshine: 8h and 48min).
The month with the least sunshine is July (Average sunshine: 6h and 18min).
Average sunshine days in April
Biru, Indonesia
- Average sunshine days in April: 0.4 days
The month with the most sunshine days is August (10.8 days).
The months with the least sunshine days are February and March (0.2 days).
Average UV index in April
Biru, Indonesia
- Average UV index in April: 6
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).
Average cloud cover in April
Biru, Indonesia
- Average cloud cover in April: 48
The months with the most cloud cover are January and February (Cloud cover 52).
The month with the least cloud cover is October (Cloud cover 42).
Average visibility in April
Biru, Indonesia
- Average visibility in April: 8km
The months with the highest visibility are January and December (9km).
The month with the lowest visibility is July (7km).





