May Weather in Phu Yen, Vietnam

Last updated: August 28, 2025

In Phu Yen, Vietnam, the average temperature for May hovers around 26°C (78°F), with comfortable lows of 17°C (63°F) and potential peaks reaching 38°C (101°F). Expect roughly 206 mm (8.1 in) of precipitation spread across 19 days, contributing to an average humidity of 68%. Whether you’re braving the sun or dodging the rain, be prepared for a humid month!

May Temperature in Phu Yen

In May in Phu Yen, the average temperature is 26°C (78°F), with maximums reaching up to 38°C (101°F) and minimums dropping as low as 17°C (63°F). This makes it an ideal time for outdoor activities and exploring the local attractions comfortably.

May Weather in Phu Yen: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Phu Yen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Phu Yen, May typically has an average temperature of 26°C (78°F), with highs reaching up to 38°C (101°F) and lows dropping to around 17°C (63°F).

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

May Precipitation in Phu Yen

In Phu Yen in May, the precipitation amount is 206 mm (8.1 in) during 19 days, indicating a rainy stretch that significantly impacts the region's weather patterns.

May Precipitation Trends in Phu Yen

The chart displays monthly precipitation patterns in Phu Yen, 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 Phu Yen, May typically receives around 206 mm (8.1 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 Phu Yen

In Phu Yen in May, humidity is 68%. With an average temperature of 26°C (78°F), this humidity feels like a warm, sticky embrace, making outdoor activities challenging but the lush greenery inviting.

May Average Humidity in Phu Yen

This chart illustrates the average monthly humidity levels in Phu Yen, 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 Phu Yen is approximately 68%, 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 Phu Yen

In Phu Yen 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 Phu Yen, you can check here.

Maximum UV Index Levels in Phu Yen for May

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

Data source: Phu Yen 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 Phu Yen Compares to Other Months

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

This table compares monthly weather conditions in Phu Yen, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	16°C (60°F)	72 mm (2.8 inches)	63%	very high
February Weather	16°C (62°F)	52 mm (2.0 inches)	65%	very high
March Weather	20°C (69°F)	102 mm (4.0 inches)	57%	extreme
April Weather	23°C (73°F)	188 mm (7.4 inches)	50%	extreme
May Weather	26°C (78°F)	206 mm (8.1 inches)	68%	extreme
June Weather	28°C (82°F)	205 mm (8.1 inches)	79%	extreme
July Weather	27°C (81°F)	345 mm (13.6 inches)	91%	extreme
August Weather	27°C (80°F)	408 mm (16.1 inches)	92%	extreme
September Weather	26°C (79°F)	208 mm (8.2 inches)	82%	extreme
October Weather	23°C (73°F)	245 mm (9.7 inches)	76%	extreme
November Weather	20°C (68°F)	58 mm (2.3 inches)	72%	very high
December Weather	16°C (60°F)	58 mm (2.3 inches)	68%	high