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April Weather in Hailean, Indonesia

Last updated: August 23, 2025

In April, the average temperature in Hailean, Indonesia hovers around 28°C (83°F). Expect a cozy range with minimums dipping to 25°C (78°F) and maximums reaching 30°C (87°F). However, be prepared for some rain, as 138 mm (5.4 in) of precipitation can occur over about 9 days. With an average humidity of 80%, the air will feel quite tropical!

April Temperature in Hailean

In April in Hailean, the average temperature is 28°C (83°F). Maximums can reach 30°C (87°F), while minimums can drop to as low as 25°C (78°F). It's a warm and pleasant time to visit, perfect for outdoor activities and enjoying the local scenery.

April Weather in Hailean: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Hailean, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hailean, April typically has an average temperature of 28°C (83°F), with highs reaching up to 30°C (87°F) and lows dropping to around 25°C (78°F).
JanFebMarAprMayJunJulAugSepOctNovDec828282838280797980828383
Data source: Temperature data for Hailean generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Hailean

In Hailean in April, the precipitation amount is 138 mm (5.4 in) spread over 9 days.

April Precipitation Trends in Hailean

The chart displays monthly precipitation patterns in Hailean, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Hailean, April typically receives around 138 mm (5.4 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec296278194138205221558185
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Hailean

In Hailean in April, humidity is 80%. With an average temperature of 28°C (83°F), this humidity feels like a thick blanket enveloping you, making travel feel sluggish and sticky, as every movement generates a sheen of perspiration that clings to your skin.

April Average Humidity in Hailean

This chart illustrates the average monthly humidity levels in Hailean, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Hailean is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%82%82%80%80%75%71%74%74%74%73%73%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Hailean

In Hailean in April, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Hailean, you can check here.

Maximum UV Index Levels in Hailean for April

The chart shows the monthly maximum UV Index (UVI) for Hailean in April, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In April, the maximum UV index in Hailean typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151616141210111315151514
Data source: Hailean April UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How April Weather in Hailean Compares to Other Months

Weather in Hailean varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Hailean, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Hailean, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather28°C (82°F)296 mm (11.6 inches)77%extreme
February Weather28°C (82°F)278 mm (10.9 inches)82%extreme
March Weather28°C (82°F)194 mm (7.6 inches)82%extreme
April Weather28°C (83°F)138 mm (5.4 inches)80%extreme
May Weather28°C (82°F)20 mm (0.8 inches)80%extreme
June Weather27°C (80°F)5 mm (0.2 inches)75%very high
July Weather26°C (79°F)2 mm (0.1 inches)71%extreme
August Weather26°C (79°F)2 mm (0.1 inches)74%extreme
September Weather27°C (80°F)1 mm (0.1 inches)74%extreme
October Weather28°C (82°F)5 mm (0.2 inches)74%extreme
November Weather28°C (83°F)58 mm (2.3 inches)73%extreme
December Weather28°C (83°F)185 mm (7.3 inches)72%extreme

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