April weather forecastCilegon, Indonesia
April
Weather in April
April, like March, is another hot autumn month in Cilegon, Indonesia, with an average temperature fluctuating between 24.3°C (75.7°F) and 30.8°C (87.4°F).Temperature
As April takes its course, Cilegon's average high-temperature registers at a still tropical 30.8°C (87.4°F), closely aligning with the preceding month. During April, Cilegon sees a mean low-temperature of 24.3°C (75.7°F).Heat index
For most parts of April, the heat index is appraised at a blisteringly hot 40°C (104°F). Undertake special precautions, the probability of heat exhaustion and heat cramps is high. Prolonged activity may provoke heatstroke.Note that heat index values are valued for light wind and location in the shade. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is achieved by amalgamating air temperature with the relative humidity readings. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
The physiological response of the human body to excess warmth is to perspire, thereby cooling itself through sweat evaporation. An elevated level of relative humidity hinders evaporation, leading to decreased heat elimination from the body, inducing a sensation of excess heat. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.
Humidity
In Cilegon, the average relative humidity in April is 79%.Rainfall
In Cilegon, in April, during 28.1 rainfall days, 171mm (6.73") of precipitation is typically accumulated. In Cilegon, 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 is 11h and 59min.On the first day of April, sunrise is at 05:58 and sunset at 18:01. On the last day of the month, sunrise is at 05:56 and sunset at 17:50 WIB.
Sunshine
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 of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 7 during April translates into the following guidance:
Fend off overexposure. Sun protection is vital. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Cilegon, Indonesia
- Average high temperature in April: 30.8°C
The warmest month (with the highest average high temperature) is October (32.2°C).
The month with the lowest average high temperature is January (29.8°C).
- Average low temperature in April: 24.3°C
The month with the highest average low temperature is May (24.8°C).
The coldest month (with the lowest average low temperature) is August (23.1°C).
Average pressure in April
Cilegon, Indonesia
- Average pressure in April: 1009.8mbar
The month with the highest atmospheric pressure is September (1011.1mbar).
The month with the lowest atmospheric pressure is December (1009.3mbar).
Average wind speed in April
Cilegon, Indonesia
- Average wind speed in April: 7km/h
The windiest month (with the highest average wind speed) is January (9.4km/h).
The calmest month (with the lowest average wind speed) is August (5km/h).
Average humidity in April
Cilegon, Indonesia
- Average humidity in April: 79%
The months with the highest relative humidity are February and March (80%).
The months with the lowest relative humidity are September and October (71%).
Average rainfall in April
Cilegon, Indonesia
- Average rainfall in April: 171mm
The wettest month (with the highest rainfall) is March (189mm).
The driest month (with the least rainfall) is August (45mm).
Average rainfall days in April
Cilegon, Indonesia
- Average rainfall days in April: 28.1 days
The month with the highest number of rainy days is January (29.4 days).
The month with the least rainy days is August (14.3 days).
Average daylight in April /
Average sunshine in April
Cilegon, 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 48min).
- Average sunshine in April: 8h and 36min
The month with the most sunshine is December (Average sunshine: 9h and 12min).
The months with the least sunshine are June and July (Average sunshine: 7h and 0min).
Average sunshine days in April
Cilegon, Indonesia
- Average sunshine days in April: 0.8 days
The month with the most sunshine days is August (14 days).
The month with the least sunshine days is February (0.7 days).
Average UV index in April
Cilegon, Indonesia
- Average UV index in April: 7
The months with the highest UV index are February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The month with the lowest UV index is January (UV index 6).
Average cloud cover in April
Cilegon, Indonesia
- Average cloud cover in April: 39
The month with the most cloud cover is January (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in April
Cilegon, Indonesia
- Average visibility in April: 9km
The months with the highest visibility are May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, April, November and December (9km).
