May Weather in Chaiya, Thailand

Last updated: August 27, 2025

In May, the average temperature in Chaiya, Thailand hovers around 28°C (83°F), with minimums reaching 26°C (79°F) and maximums soaring to 34°C (93°F). Expect a precipitation amount of 120 mm (4.7 in) over 22 days, contributing to a notably average humidity of 77%.

May Temperature in Chaiya

In May in Chaiya, the average temperature is 28°C (83°F), with maximums reaching 34°C (93°F) and minimums dipping to 26°C (79°F). This warm and pleasant climate makes it an ideal destination for travelers seeking a sunny getaway.

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

The chart illustrates May temperature patterns in Chaiya, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chaiya, May typically has an average temperature of 28°C (83°F), with highs reaching up to 34°C (93°F) and lows dropping to around 26°C (79°F).

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

May Precipitation in Chaiya

In Chaiya in May, the total precipitation amount is 120 mm (4.7 in), occurring over the course of 22 days.

May Precipitation Trends in Chaiya

The chart displays monthly precipitation patterns in Chaiya, 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 Chaiya, May typically receives around 120 mm (4.7 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 Chaiya

In Chaiya in May, humidity is 77%. With an average temperature of 28°C (83°F), this humidity feels like walking through a warm, damp blanket, making outdoor activities more challenging and requiring frequent hydration breaks for travelers.

May Average Humidity in Chaiya

This chart illustrates the average monthly humidity levels in Chaiya, 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 Chaiya is approximately 77%, 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 Chaiya

In Chaiya 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 Chaiya, you can check here.

Maximum UV Index Levels in Chaiya for May

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

Data source: Chaiya 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 Chaiya Compares to Other Months

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

This table compares monthly weather conditions in Chaiya, 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 (80°F)	161 mm (6.3 inches)	72%	extreme
February Weather	27°C (81°F)	37 mm (1.5 inches)	68%	extreme
March Weather	28°C (82°F)	43 mm (1.7 inches)	68%	extreme
April Weather	28°C (83°F)	171 mm (6.7 inches)	69%	extreme
May Weather	28°C (83°F)	120 mm (4.7 inches)	77%	extreme
June Weather	28°C (83°F)	98 mm (3.9 inches)	86%	extreme
July Weather	28°C (83°F)	79 mm (3.1 inches)	86%	extreme
August Weather	28°C (82°F)	83 mm (3.3 inches)	88%	extreme
September Weather	27°C (82°F)	141 mm (5.6 inches)	87%	extreme
October Weather	27°C (81°F)	226 mm (8.9 inches)	86%	extreme
November Weather	27°C (81°F)	365 mm (14.4 inches)	87%	extreme
December Weather	27°C (80°F)	241 mm (9.5 inches)	83%	extreme