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May Weather in Hoai An, Vietnam

Last updated: August 28, 2025

In May, the average temperature in Hoai An, Vietnam hovers around 29°C (84°F), making it a warm destination. Expect a minimum of 24°C (75°F) and a maximum of 36°C (97°F), providing a broad spectrum of warmth. However, be prepared for a total precipitation of 132 mm (5.2 in) spread over about 17 days, leading to an average humidity level of 80%. Pack accordingly to enjoy your stay comfortably!

May Temperature in Hoai An

In May in Hoai An, the average temperature is 29°C (84°F). The maximum can reach up to 36°C (97°F), while the minimum can drop to as low as 24°C (75°F). This warm weather makes Hoai An an ideal destination for those looking to enjoy sunny days and outdoor activities.

May Weather in Hoai An: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Hoai An, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hoai An, May typically has an average temperature of 29°C (84°F), with highs reaching up to 36°C (97°F) and lows dropping to around 24°C (75°F).
JanFebMarAprMayJunJulAugSepOctNovDec737478818486858583807774
Data source: Temperature data for Hoai An 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 Hoai An

In Hoai An in May, the precipitation amount is 132 mm (5.2 in) spread over 17 days.

May Precipitation Trends in Hoai An

The chart displays monthly precipitation patterns in Hoai An, 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 Hoai An, May typically receives around 132 mm (5.2 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec8044396413284107128215349442239
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Hoai An

In Hoai An in May, humidity is 80%. With an average temperature of 29°C (84°F), this humidity feels like a warm blanket enveloping you, making travel feel sticky and heavy, as sweat clings to your skin and every step requires extra effort.

May Average Humidity in Hoai An

This chart illustrates the average monthly humidity levels in Hoai An, 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 Hoai An is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%83%78%75%80%85%85%87%88%90%91%89%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Hoai An

In Hoai An in May, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Hoai An.

Maximum UV Index Levels in Hoai An for May

The chart shows the monthly maximum UV Index (UVI) for Hoai An 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 Hoai An typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec11131515151315151413119
Data source: Hoai An 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 Hoai An Compares to Other Months

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

This table compares monthly weather conditions in Hoai An, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (74°F)80 mm (3.1 inches)86%extreme
February Weather23°C (74°F)44 mm (1.7 inches)83%extreme
March Weather26°C (78°F)39 mm (1.5 inches)78%extreme
April Weather27°C (81°F)64 mm (2.5 inches)75%extreme
May Weather29°C (84°F)132 mm (5.2 inches)80%extreme
June Weather30°C (86°F)84 mm (3.3 inches)85%extreme
July Weather30°C (85°F)107 mm (4.2 inches)85%extreme
August Weather30°C (85°F)127 mm (5.0 inches)87%extreme
September Weather28°C (83°F)214 mm (8.4 inches)88%extreme
October Weather27°C (80°F)349 mm (13.8 inches)90%extreme
November Weather25°C (78°F)442 mm (17.4 inches)91%extreme
December Weather23°C (75°F)239 mm (9.4 inches)89%very high

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