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May Weather in Phu Thai, Vietnam

Last updated: August 28, 2025

In Phu Thai, Vietnam, the average temperature for May hovers around 28°C (83°F). During this time, temperatures can dip to a cool 19°C (66°F) or soar to a scorching 38°C (101°F). Expect around 176 mm (6.9 in) of precipitation falling across 18 days, contributing to an average humidity level of 73%.

May Temperature in Phu Thai

In May in Phu Thai, the average temperature is 28°C (83°F). Maximum temperatures can reach 38°C (101°F), while minimums can drop to as low as 19°C (66°F). This makes Phu Thai an ideal destination for travelers seeking warm weather and plenty of sunshine.

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

The chart illustrates May temperature patterns in Phu Thai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Phu Thai, May typically has an average temperature of 28°C (83°F), with highs reaching up to 38°C (101°F) and lows dropping to around 19°C (66°F).
JanFebMarAprMayJunJulAugSepOctNovDec646672768287868483777265
Data source: Temperature data for Phu Thai generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Phu Thai

In Phu Thai in May, the total precipitation amount is 176 mm (6.9 in) spread over 18 days.

May Precipitation Trends in Phu Thai

The chart displays monthly precipitation patterns in Phu Thai, 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 Thai, May typically receives around 176 mm (6.9 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec293454861762012724402502064435
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Phu Thai

In Phu Thai in May, humidity is 73%. With an average temperature of 28°C (83°F), this humidity feels like a thick blanket enveloping your skin, making travel feel heavy and stifling, often requiring frequent breaks in shaded or air-conditioned areas to stay comfortable.

May Average Humidity in Phu Thai

This chart illustrates the average monthly humidity levels in Phu Thai, 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 Thai is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec66%71%69%64%73%81%90%89%82%77%72%71%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Phu Thai

In Phu Thai in May, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Phu Thai.

Maximum UV Index Levels in Phu Thai for May

The chart shows the monthly maximum UV Index (UVI) for Phu Thai 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 Thai typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec810121313121313131197
Data source: Phu Thai 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 Thai Compares to Other Months

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

This table compares monthly weather conditions in Phu Thai, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather18°C (65°F)29 mm (1.1 inches)66%very high
February Weather19°C (66°F)34 mm (1.3 inches)71%very high
March Weather22°C (72°F)54 mm (2.1 inches)69%extreme
April Weather24°C (76°F)85 mm (3.4 inches)64%extreme
May Weather28°C (83°F)176 mm (6.9 inches)73%extreme
June Weather30°C (87°F)201 mm (7.9 inches)81%extreme
July Weather30°C (86°F)272 mm (10.7 inches)90%extreme
August Weather29°C (85°F)440 mm (17.3 inches)89%extreme
September Weather28°C (83°F)250 mm (9.9 inches)82%extreme
October Weather25°C (77°F)206 mm (8.1 inches)77%extreme
November Weather22°C (73°F)44 mm (1.7 inches)72%very high
December Weather18°C (65°F)35 mm (1.4 inches)71%high

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