May Weather in Ondong Siau, Indonesia

Last updated: August 23, 2025

In May, the average temperature in Ondong Siau, Indonesia hovers around 28°C (82°F), with a minimum of 25°C (78°F) and a maximum reaching 30°C (85°F). This month experiences significant precipitation, totaling 212 mm (8.3 in) spread over 22 days, contributing to an average humidity level of 74%. Prepare for a warm and humid climate if you're visiting!

May Temperature in Ondong Siau

In May in Ondong Siau, the average temperature is 28°C (82°F), with maximums reaching up to 30°C (85°F) and minimums dropping as low as 25°C (78°F). This pleasant climate makes it an ideal time for travelers seeking warm weather and outdoor adventures.

May Weather in Ondong Siau: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Ondong Siau, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ondong Siau, May typically has an average temperature of 28°C (82°F), with highs reaching up to 30°C (85°F) and lows dropping to around 25°C (78°F).

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

May Precipitation in Ondong Siau

In Ondong Siau in May, the total precipitation amount is 212 mm (8.3 in) spread over 22 days.

May Precipitation Trends in Ondong Siau

The chart displays monthly precipitation patterns in Ondong Siau, 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 Ondong Siau, May typically receives around 212 mm (8.3 inches) of precipitation spread over approximately 22 days.

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

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Millimeters (mm) Inches (in)

May Humidity in Ondong Siau

In Ondong Siau in May, humidity is 74%. With an average temperature of 28°C (82°F), this humidity feels like a warm, heavy blanket enveloping you, making outdoor activities feel more exhausting and requiring frequent breaks to stay hydrated.

May Average Humidity in Ondong Siau

This chart illustrates the average monthly humidity levels in Ondong Siau, 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 Ondong Siau is approximately 74%, 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 Ondong Siau

In Ondong Siau in May, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Ondong Siau.

Maximum UV Index Levels in Ondong Siau for May

The chart shows the monthly maximum UV Index (UVI) for Ondong Siau 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 Ondong Siau typically reaches 15, which falls under the extreme exposure category.

Data source: Ondong Siau 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 Ondong Siau Compares to Other Months

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

This table compares monthly weather conditions in Ondong Siau, 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)	297 mm (11.7 inches)	78%	extreme
February Weather	27°C (81°F)	172 mm (6.8 inches)	83%	extreme
March Weather	27°C (81°F)	252 mm (9.9 inches)	82%	extreme
April Weather	27°C (82°F)	147 mm (5.8 inches)	80%	extreme
May Weather	28°C (82°F)	212 mm (8.3 inches)	74%	extreme
June Weather	27°C (82°F)	289 mm (11.4 inches)	74%	extreme
July Weather	27°C (82°F)	252 mm (9.9 inches)	75%	extreme
August Weather	28°C (82°F)	182 mm (7.2 inches)	76%	extreme
September Weather	27°C (82°F)	170 mm (6.7 inches)	77%	extreme
October Weather	28°C (82°F)	163 mm (6.4 inches)	75%	extreme
November Weather	27°C (82°F)	259 mm (10.2 inches)	74%	extreme
December Weather	27°C (81°F)	272 mm (10.7 inches)	75%	extreme