April Weather in Isak, Indonesia

Last updated: August 23, 2025

In April, the average temperature in Isak, Indonesia hovers around 20°C (69°F), providing a pleasant climate for outdoor activities. Temperatures can dip to a minimum of 15°C (58°F) and reach a comfortable maximum of 29°C (84°F). However, be prepared for some precipitation, with an average of 220 mm (8.7 in) spread over 26 days, contributing to an average humidity level of 69%.

April Temperature in Isak

In April in Isak, the average temperature is 20°C (69°F). The maximum can reach 29°C (84°F) and the minimum can be as low as 15°C (58°F). This pleasant climate makes Isak an ideal destination for outdoor activities and sightseeing during this time of year.

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

The chart illustrates April temperature patterns in Isak, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Isak, April typically has an average temperature of 20°C (69°F), with highs reaching up to 29°C (84°F) and lows dropping to around 15°C (58°F).

Data source: Temperature data for Isak generated using information from the Copernicus Climate Change Service.

April Precipitation in Isak

In Isak in April, the precipitation amount is 220 mm (8.7 in) over the course of 26 days.

April Precipitation Trends in Isak

The chart displays monthly precipitation patterns in Isak, 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 Isak, April typically receives around 220 mm (8.7 inches) of precipitation spread over approximately 26 days.

Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

April Humidity in Isak

In Isak in April humidity is 69%. With an average temperature of 20°C (69°F), this humidity feels like a warm, enveloping embrace, making travel feel both refreshing and slightly sticky, as you navigate the vibrant atmosphere with a pleasant sheen of perspiration glistening on your skin.

April Average Humidity in Isak

This chart illustrates the average monthly humidity levels in Isak, 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 Isak is approximately 69%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Isak

In Isak in April, the maximum UV index reaches an alarming 17, which falls under the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to stay protected. For more details on the hourly UV index in Isak, you can check Hourly UV Index in Isak.

Maximum UV Index Levels in Isak for April

The chart shows the monthly maximum UV Index (UVI) for Isak 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 Isak typically reaches 17, which falls under the extreme exposure category.

Data source: Isak 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 Isak Compares to Other Months

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

This table compares monthly weather conditions in Isak, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	20°C (68°F)	163 mm (6.4 inches)	80%	extreme
February Weather	20°C (68°F)	106 mm (4.2 inches)	73%	extreme
March Weather	20°C (69°F)	157 mm (6.2 inches)	74%	extreme
April Weather	20°C (69°F)	220 mm (8.7 inches)	69%	extreme
May Weather	21°C (69°F)	294 mm (11.6 inches)	75%	extreme
June Weather	20°C (69°F)	127 mm (5.0 inches)	81%	extreme
July Weather	20°C (69°F)	158 mm (6.2 inches)	79%	extreme
August Weather	20°C (68°F)	171 mm (6.7 inches)	84%	extreme
September Weather	20°C (68°F)	224 mm (8.8 inches)	86%	extreme
October Weather	20°C (68°F)	275 mm (10.8 inches)	86%	extreme
November Weather	20°C (67°F)	362 mm (14.3 inches)	86%	extreme
December Weather	20°C (68°F)	348 mm (13.7 inches)	86%	extreme