May Weather in Mae On, Thailand

Last updated: August 27, 2025

In May, the average temperature in Mae On, Thailand hovers around 28°C (83°F), making it a warm destination. Expect comfortable evenings with a minimum of 21°C (70°F), while daytime can soar to a sweltering 40°C (105°F). However, be prepared for some rain, as 160 mm (6.3 in) of precipitation is expected over 20 days. With an average humidity of 63%, it’s advisable to stay hydrated and enjoy the vibrant atmosphere!

May Temperature in Mae On

In May in Mae On, the average temperature is 28°C (83°F). Maximum temperatures can reach 40°C (105°F), while minimums can dip to as low as 21°C (70°F). It's advisable to stay hydrated and wear light clothing if you're planning to travel during this time.

May Weather in Mae On: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Mae On, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mae On, May typically has an average temperature of 28°C (83°F), with highs reaching up to 40°C (105°F) and lows dropping to around 21°C (70°F).

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

May Precipitation in Mae On

In Mae On in May, the precipitation amount is 160 mm (6.3 in) over the course of 20 days.

May Precipitation Trends in Mae On

The chart displays monthly precipitation patterns in Mae On, 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 Mae On, May typically receives around 160 mm (6.3 inches) of precipitation spread over approximately 20 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 Mae On

In Mae On in May humidity is 63%. With an average temperature of 28°C (83°F), this humidity feels like a warm embrace that clings to your skin, making outdoor activities a bit more strenuous and encouraging you to seek shade and hydration while exploring the sights.

May Average Humidity in Mae On

This chart illustrates the average monthly humidity levels in Mae On, 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 Mae On is approximately 63%, 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 Mae On

In Mae On 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 Mae On, you can check here.

Maximum UV Index Levels in Mae On for May

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

Data source: Mae On 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 Mae On Compares to Other Months

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

This table compares monthly weather conditions in Mae On, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	22°C (72°F)	21 mm (0.8 inches)	51%	very high
February Weather	24°C (75°F)	6 mm (0.2 inches)	46%	very high
March Weather	27°C (82°F)	4 mm (0.2 inches)	38%	extreme
April Weather	28°C (83°F)	101 mm (4.0 inches)	36%	extreme
May Weather	28°C (83°F)	160 mm (6.3 inches)	63%	extreme
June Weather	27°C (82°F)	266 mm (10.5 inches)	81%	extreme
July Weather	27°C (81°F)	307 mm (12.1 inches)	83%	extreme
August Weather	26°C (80°F)	368 mm (14.5 inches)	91%	extreme
September Weather	27°C (80°F)	241 mm (9.5 inches)	83%	extreme
October Weather	26°C (78°F)	189 mm (7.4 inches)	67%	extreme
November Weather	24°C (76°F)	39 mm (1.5 inches)	60%	very high
December Weather	21°C (71°F)	20 mm (0.8 inches)	56%	very high