May Weather in Phrao, Thailand

Last updated: August 27, 2025

In May, the average temperature in Phrao, Thailand is a warm 26°C (80°F), with minimums reaching as low as 19°C (67°F) and soaring to maximums of 38°C (101°F). Expect some moisture, as the area sees an average precipitation of 141 mm (5.5 in) over 18 days. With an average humidity of 63%, be prepared for a balmy climate that’s perfect for summer adventures!

May Temperature in Phrao

In May in Phrao, the average temperature is 26°C (80°F). The maximum can reach 38°C (101°F) and the minimum can be as low as 19°C (67°F). This warm climate makes it an ideal destination for travelers seeking pleasant weather and outdoor activities.

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

The chart illustrates May temperature patterns in Phrao, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Phrao, May typically has an average temperature of 26°C (80°F), with highs reaching up to 38°C (101°F) and lows dropping to around 19°C (67°F).

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

May Precipitation in Phrao

In Phrao in May, the total precipitation amount is 141 mm (5.5 in) over the course of 18 days.

May Precipitation Trends in Phrao

The chart displays monthly precipitation patterns in Phrao, 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 Phrao, May typically receives around 141 mm (5.5 inches) of precipitation spread over approximately 18 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 Phrao

In Phrao in May humidity is 63%. With an average temperature of 26°C (80°F), this humidity feels like a warm, enveloping blanket, making outdoor activities enjoyable yet slightly sticky, so travelers should stay hydrated and take breaks in the shade.

May Average Humidity in Phrao

This chart illustrates the average monthly humidity levels in Phrao, 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 Phrao 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 Phrao

In Phrao 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 Phrao, you can check here.

Maximum UV Index Levels in Phrao for May

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

Data source: Phrao 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 Phrao Compares to Other Months

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

This table compares monthly weather conditions in Phrao, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	20°C (69°F)	26 mm (1.0 inches)	51%	very high
February Weather	22°C (71°F)	7 mm (0.3 inches)	46%	very high
March Weather	25°C (77°F)	5 mm (0.2 inches)	38%	extreme
April Weather	26°C (79°F)	95 mm (3.7 inches)	36%	extreme
May Weather	26°C (80°F)	141 mm (5.5 inches)	63%	extreme
June Weather	26°C (79°F)	232 mm (9.1 inches)	81%	extreme
July Weather	26°C (78°F)	303 mm (11.9 inches)	83%	extreme
August Weather	25°C (78°F)	347 mm (13.7 inches)	91%	extreme
September Weather	25°C (77°F)	273 mm (10.8 inches)	83%	extreme
October Weather	24°C (75°F)	185 mm (7.3 inches)	67%	extreme
November Weather	22°C (72°F)	45 mm (1.8 inches)	60%	very high
December Weather	19°C (67°F)	21 mm (0.8 inches)	56%	very high