May Weather in Phon, Thailand

Last updated: August 27, 2025

In May, the average temperature in Phon, Thailand reaches a warm 30°C (86°F). Expect a minimum of 20°C (68°F) and highs soaring to 40°C (105°F). Throughout the month, the area sees about 150 mm (5.9 in) of precipitation over 19 days, contributing to an average humidity of 76%. Stay prepared for the tropical climate!

May Temperature in Phon

In May in Phon, the average temperature is 30°C (86°F). Maximums can reach 40°C (105°F), and minimums can be as low as 20°C (68°F). This warm weather makes Phon an ideal destination for sun-seekers and outdoor enthusiasts.

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

The chart illustrates May temperature patterns in Phon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Phon, May typically has an average temperature of 30°C (86°F), with highs reaching up to 40°C (105°F) and lows dropping to around 20°C (68°F).

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

May Precipitation in Phon

In Phon in May, the precipitation amount is 150 mm (5.9 in) over the course of 19 days.

May Precipitation Trends in Phon

The chart displays monthly precipitation patterns in Phon, 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 Phon, May typically receives around 150 mm (5.9 inches) of precipitation spread over approximately 19 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 Phon

In Phon in May, humidity is 76%. With an average temperature of 30°C (86°F), this humidity feels like wrapping yourself in a warm, damp blanket, making it quite uncomfortable for traveling. The thick, heavy air can leave you feeling sticky, fatigued, and in need of frequent breaks to stay hydrated and cool.

May Average Humidity in Phon

This chart illustrates the average monthly humidity levels in Phon, 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 Phon is approximately 76%, 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 Phon

In Phon 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 Phon, you can check here.

Maximum UV Index Levels in Phon for May

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

Data source: Phon 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 Phon Compares to Other Months

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

This table compares monthly weather conditions in Phon, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	25°C (77°F)	5 mm (0.2 inches)	50%	very high
February Weather	26°C (79°F)	6 mm (0.2 inches)	47%	extreme
March Weather	29°C (85°F)	32 mm (1.3 inches)	41%	extreme
April Weather	30°C (86°F)	66 mm (2.6 inches)	51%	extreme
May Weather	30°C (86°F)	150 mm (5.9 inches)	76%	extreme
June Weather	30°C (86°F)	122 mm (4.8 inches)	83%	extreme
July Weather	29°C (84°F)	221 mm (8.7 inches)	80%	extreme
August Weather	29°C (84°F)	179 mm (7.1 inches)	85%	extreme
September Weather	28°C (83°F)	254 mm (10.0 inches)	88%	extreme
October Weather	27°C (82°F)	178 mm (7.0 inches)	79%	extreme
November Weather	26°C (80°F)	28 mm (1.1 inches)	68%	very high
December Weather	24°C (76°F)	7 mm (0.3 inches)	59%	very high