May Weather in Cilacap, Indonesia

Last updated: August 23, 2025

In Cilacap, Indonesia, the average temperature in May hovers around 27°C (81°F), with minimums cooling down to 25°C (77°F) and maximums reaching a warm 30°C (87°F). Expect frequent rain, as 166 mm (6.5 in) of precipitation is likely over 27 days this month, paired with a high average humidity of 81%. Stay prepared for a humid and rainy experience!

May Temperature in Cilacap

In May, in Cilacap, the average temperature is a warm 27°C (81°F). The maximum can reach a comfortable 30°C (87°F), while the minimum can dip to a mild 25°C (77°F). This pleasant climate makes Cilacap an ideal destination for travelers seeking sunny and enjoyable weather.

May Weather in Cilacap: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Cilacap, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cilacap, May typically has an average temperature of 27°C (81°F), with highs reaching up to 30°C (87°F) and lows dropping to around 25°C (77°F).

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

May Precipitation in Cilacap

In Cilacap in May, the precipitation amount is 166 mm (6.5 in) over the course of 27 days.

May Precipitation Trends in Cilacap

The chart displays monthly precipitation patterns in Cilacap, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Cilacap, May typically receives around 166 mm (6.5 inches) of precipitation spread over approximately 27 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

May Humidity in Cilacap

In Cilacap in May humidity is 81%. With an average temperature of 27°C (81°F), this humidity feels like a warm, heavy blanket enveloping you, making travel quite uncomfortable as it can quickly drain your energy and require frequent hydration breaks.

May Average Humidity in Cilacap

This chart illustrates the average monthly humidity levels in Cilacap, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Cilacap is approximately 81%, offering insight into how humid the weather typically is during this month.

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

May UV Index in Cilacap

In Cilacap in May, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Cilacap.

Maximum UV Index Levels in Cilacap for May

The chart shows the monthly maximum UV Index (UVI) for Cilacap in May, 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 May, the maximum UV index in Cilacap typically reaches 12, which falls under the extreme exposure category.

Data source: Cilacap May 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 May Weather in Cilacap Compares to Other Months

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

This table compares monthly weather conditions in Cilacap, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	27°C (81°F)	281 mm (11.1 inches)	84%	extreme
February Weather	27°C (81°F)	211 mm (8.3 inches)	87%	extreme
March Weather	27°C (81°F)	351 mm (13.8 inches)	85%	extreme
April Weather	27°C (81°F)	189 mm (7.5 inches)	82%	extreme
May Weather	27°C (81°F)	166 mm (6.5 inches)	81%	extreme
June Weather	26°C (80°F)	161 mm (6.3 inches)	81%	very high
July Weather	26°C (78°F)	69 mm (2.7 inches)	79%	extreme
August Weather	25°C (77°F)	64 mm (2.5 inches)	76%	extreme
September Weather	25°C (78°F)	121 mm (4.7 inches)	72%	extreme
October Weather	26°C (79°F)	206 mm (8.1 inches)	74%	extreme
November Weather	27°C (80°F)	433 mm (17.0 inches)	78%	extreme
December Weather	27°C (81°F)	374 mm (14.7 inches)	78%	extreme