Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
In April, Merak notes an average high-temperature of a still tropical 30.5°C (86.9°F), hardly different from the preceding month. Merak's nighttime average temperature in April drops marginally from the daytime highs, settling at a warm 26.3°C (79.3°F).Heat index
For April, the heat index is evaluated at a very hot 38°C (100.4°F). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.In reference to the heat index, it's for places in shade and with a slight wind. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'feels like' or 'apparent temperature', binds temperature metrics with humidity values to give a sense of the actual warmth. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. Under high air temperature coupled with high humidity (high heat index), the body's perspiration is reduced, intensifying the sensation of heat. Rising body temperatures due to excess heat retention could signify impending heat disorders.
Humidity
In April, the average relative humidity is 76%.Rainfall
In April, in Merak, the rain falls for 24.9 days. Throughout April, 118mm (4.65") of precipitation is accumulated. In Merak, during the entire year, the rain falls for 243.3 days and collects up to 1085mm (42.72") of precipitation.Daylight
The average length of the day in April is 11h and 59min.On the first day of April in Merak, 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
In April, the average sunshine 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 are January through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 7 in April translates into these instructions:
Guard against overexposure. Protection from sun-induced harm is essential. 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. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Frequently asked questions
How hot is April in Merak?
What is the average humidity in April in Merak?
How much does it rain in Merak in April?
What is the average length of the day in April in Merak?
What time are sunrise and sunset in April in Merak?
How many hours of sunshine does Merak have in April?
When is the highest UV index in Merak?
What is the month with the lowest UV index in Merak?
What is the UV index reading in April in Merak?
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 3min
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).
Merak, Indonesia
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