April weather forecastMerak, Indonesia
April
Weather in April
April, the same as March, in Merak, Indonesia, is another tropical autumn month, with an average temperature varying between 30.5°C (86.9°F) and 26.3°C (79.3°F).Temperature
The arrival of April is marked by an average high-temperature of a still hot 30.5°C (86.9°F), bearing a close resemblance to March. Night temperatures during April experience a slight downturn, averaging a warm 26.3°C (79.3°F).Heat index
The average heat index in April is evaluated at a very hot 38°C (100.4°F). Take extra safety measures to prevent heat exhaustion and heat cramps. Heatstroke could follow lengthy activity.The standards for the heat index are set for locations in shade and under light breezes. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', arises from combining readings of air temperature and relative moisture content. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. 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 highly important for children. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
Sweat evaporation, driven by perspiration, is the method the human body uses to rid itself of excessive warmth. Increased relative humidity interferes with body cooling by slowing the rate of evaporation, resulting in a slower body cooling rate and a heightened feeling of heat. When body temperature rises due to an imbalance in heat gain, there's a potential for dehydration and overheating.
Humidity
The average relative humidity in April is 76%.Rainfall
In April, the rain falls for 24.9 days. Throughout April, 118mm (4.65") of precipitation is accumulated. Throughout the year, there are 243.3 rainfall days, and 1085mm (42.72") of precipitation is accumulated.Daylight
In April, the average length of the day 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 05:55 and sunset at 17:50 WIB.
Sunshine
The average sunshine in April is 8.5h.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 7. The months with the lowest UV index in Merak are January through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: A daily high UV index of 7 in April leads to these guidelines:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Merak, Indonesia
- Average high temperature in April: 30.5°C
The warmest month (with the highest average high temperature) is October (31.5°C).
The month with the lowest average high temperature is January (29.5°C).
- Average low temperature in April: 26.3°C
The month with the highest average low temperature is May (26.5°C).
The coldest months (with the lowest average low temperature) are August and September (25°C).
Average pressure in April
Merak, Indonesia
- Average pressure in April: 1009.7mbar
The month with the highest atmospheric pressure is September (1011.1mbar).
The month with the lowest atmospheric pressure is December (1009.2mbar).
Average wind speed in April
Merak, Indonesia
- Average wind speed in April: 9.9km/h
The windiest month (with the highest average wind speed) is December (12.5km/h).
The calmest month (with the lowest average wind speed) is September (6.8km/h).
Average humidity in April
Merak, Indonesia
- Average humidity in April: 76%
The months with the highest relative humidity are February and March (77%).
The months with the lowest relative humidity are September and October (71%).
Average rainfall in April
Merak, Indonesia
- Average rainfall in April: 118mm
The wettest month (with the highest rainfall) is January (175mm).
The driest month (with the least rainfall) is August (21mm).
Average rainfall days in April
Merak, Indonesia
- Average rainfall days in April: 24.9 days
The month with the highest number of rainy days is March (26.3 days).
The month with the least rainy days is September (9.6 days).
Average daylight in April /
Average sunshine in April
Merak, 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 30min
The month with the most sunshine is September (Average sunshine: 9h and 18min).
The month with the least sunshine is June (Average sunshine: 7h and 0min).
Average sunshine days in April
Merak, Indonesia
- Average sunshine days in April: 2.8 days
The month with the most sunshine days is August (18.8 days).
The month with the least sunshine days is February (1.4 days).
Average UV index in April
Merak, Indonesia
- Average UV index in April: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover in April
Merak, Indonesia
- Average cloud cover in April: 40
The months with the most cloud cover are January and December (Cloud cover 50).
The month with the least cloud cover is September (Cloud cover 25).
Average visibility in April
Merak, Indonesia
- Average visibility in April: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
