May Weather in Ko Yao, Thailand

Last updated: August 27, 2025

In May, the average temperature in Ko Yao, Thailand is a warm 28°C (83°F), with a minimum of 26°C (79°F) and a maximum reaching 30°C (87°F). Expect about 267 mm (10.5 in) of precipitation spread over 27 days, contributing to an average humidity of 72%. Be prepared for a mix of warmth and moisture during your visit! 🌧️☀️

May Temperature in Ko Yao

In May in Ko Yao, the average temperature is 28°C (83°F), with maximums reaching up to 30°C (87°F) and minimums dropping as low as 26°C (79°F). This mild and warm climate makes it an ideal destination for travelers seeking pleasant weather.

May Weather in Ko Yao: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Ko Yao, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ko Yao, May typically has an average temperature of 28°C (83°F), with highs reaching up to 30°C (87°F) and lows dropping to around 26°C (79°F).

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

May Precipitation in Ko Yao

In Ko Yao in May, the total precipitation amount is 267 mm (10.5 in), recorded over a span of 27 days.

May Precipitation Trends in Ko Yao

The chart displays monthly precipitation patterns in Ko Yao, 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 Ko Yao, May typically receives around 267 mm (10.5 inches) of precipitation spread over approximately 27 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 Ko Yao

In Ko Yao in May, humidity is 72%. With an average temperature of 28°C (83°F), this humidity feels like you're walking through a warm, damp blanket, making travel particularly stifling and sticky, where even short excursions can leave you feeling overheated and in need of frequent breaks for hydration.

May Average Humidity in Ko Yao

This chart illustrates the average monthly humidity levels in Ko Yao, 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 Ko Yao is approximately 72%, 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 Ko Yao

In Ko Yao in May, 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 Ko Yao, you can check here.

Maximum UV Index Levels in Ko Yao for May

The chart shows the monthly maximum UV Index (UVI) for Ko Yao 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 Ko Yao typically reaches 14, which falls under the extreme exposure category.

Data source: Ko Yao 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 Ko Yao Compares to Other Months

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

This table compares monthly weather conditions in Ko Yao, 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)	111 mm (4.4 inches)	76%	extreme
February Weather	27°C (82°F)	13 mm (0.5 inches)	73%	extreme
March Weather	28°C (83°F)	38 mm (1.5 inches)	74%	extreme
April Weather	28°C (83°F)	166 mm (6.6 inches)	71%	extreme
May Weather	28°C (83°F)	267 mm (10.5 inches)	72%	extreme
June Weather	28°C (83°F)	275 mm (10.8 inches)	79%	extreme
July Weather	28°C (83°F)	237 mm (9.3 inches)	79%	extreme
August Weather	28°C (82°F)	265 mm (10.4 inches)	82%	extreme
September Weather	27°C (81°F)	309 mm (12.2 inches)	84%	extreme
October Weather	27°C (81°F)	319 mm (12.6 inches)	83%	extreme
November Weather	27°C (81°F)	199 mm (7.8 inches)	84%	extreme
December Weather	27°C (80°F)	124 mm (4.9 inches)	84%	extreme