April weather forecastGresik, Indonesia
April
Weather in April
April, the same as March, in Gresik, Indonesia, is a hot autumn month, with an average temperature ranging between max 30.8°C (87.4°F) and min 25.1°C (77.2°F).Temperature
April's advent presents an average high-temperature of a still tropical 30.8°C (87.4°F), indicating a slight variation from the conditions of the previous month. The average low-temperature during April nights is a warm 25.1°C (77.2°F).Heat index
Throughout April, the heat index is computed to be a blistering 40°C (104°F). Preventive measures are required to mitigate the risk of heat cramps and heat exhaustion. Continuous activity may precipitate heatstroke.Heat index determinations are made taking into account the shade and light air movements. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is an estimation of the warmth sensation when considering humidity levels. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
Evaporating sweat, thanks to perspiration, acts as a natural air conditioner for the human body. In the presence of high relative humidity, the evaporation rate diminishes, resulting in the body retaining more warmth compared to dry conditions. Heat-related disorders may develop if heat gain in the body overshadows its cooling capacity, leading to elevated temperatures.
Humidity
In Gresik, Indonesia, the average relative humidity in April is 79%.Rainfall
In April, the rain falls for 18 days. Throughout April, 51mm (2.01") of precipitation is accumulated. In Gresik, during the entire year, the rain falls for 159.4 days and collects up to 403mm (15.87") of precipitation.Sea temperature
In Gresik, the average seawater temperature in April is 29.6°C (85.3°F).Note: For swimming, diving, or other water activities, temperatures from 25°C (77°F) to 29°C (84.2°F) provide the most enjoyable experience for extended periods without discomfort.
Daylight
In Gresik, Indonesia, the average length of the day in April is 11h and 57min.On the first day of the month, sunrise is at 05:32 and sunset at 17:34. On the last day of April, in Gresik, sunrise is at 05:30 and sunset at 17:22 WIB.
Sunshine
In April, the average sunshine in Gresik, Indonesia, is 8.8h.UV index
January through December, with an average maximum UV index of 7, are months with the highest UV index. January through December, with an average maximum UV index of 7, are months with the lowest UV index in Gresik. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 7 during April leads to these advisories:
Fend off overexposure. Sun protection is vital. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Stay alert! Reflective properties of sand and water amplify the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Gresik, Indonesia
- Average high temperature in April: 30.8°C
The warmest month (with the highest average high temperature) is October (33.5°C).
The month with the lowest average high temperature is January (30°C).
- Average low temperature in April: 25.1°C
The month with the highest average low temperature is November (26.5°C).
The coldest month (with the lowest average low temperature) is August (24°C).
Average pressure in April
Gresik, Indonesia
- Average pressure in April: 1009.7mbar
The months with the highest atmospheric pressure are August and September (1011.2mbar).
The month with the lowest atmospheric pressure is December (1008.6mbar).
Average wind speed in April
Gresik, Indonesia
- Average wind speed in April: 6.2km/h
The windiest month (with the highest average wind speed) is January (10.6km/h).
The calmest month (with the lowest average wind speed) is April (6.2km/h).
Average humidity in April
Gresik, Indonesia
- Average humidity in April: 79%
The months with the highest relative humidity are January and February (81%).
The months with the lowest relative humidity are September and October (63%).
Average rainfall in April
Gresik, Indonesia
- Average rainfall in April: 51mm
The wettest month (with the highest rainfall) is February (81mm).
The driest months (with the least rainfall) are August and September (3mm).
Average rainfall days in April
Gresik, Indonesia
- Average rainfall days in April: 18 days
The month with the highest number of rainy days is February (22.9 days).
The month with the least rainy days is September (2.9 days).
Average sea temperature in April
Gresik, Indonesia
- Average sea temperature in April: 29.6°C
The best month for swimming (with the highest average sea temperature) is December (30.2°C).
The coldest month (with the lowest average sea temperature) is August (27.8°C).
Average daylight in April /
Average sunshine in April
Gresik, Indonesia
- Average daylight in April: 11h and 54min
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: 8h and 48min
The months with the most sunshine are August, September and October (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 7h and 36min).
Average sunshine days in April
Gresik, Indonesia
- Average sunshine days in April: 9.7 days
The month with the most sunshine days is August (25.3 days).
The month with the least sunshine days is February (4.1 days).
Average UV index in April
Gresik, 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
Gresik, Indonesia
- Average cloud cover in April: 34
The month with the most cloud cover is January (Cloud cover 48).
The months with the least cloud cover are August and September (Cloud cover 14).
Average visibility in April
Gresik, Indonesia
- Average visibility in April: 10km
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January and February (9km).





