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May Weather in Bac Ai, Vietnam

Last updated: August 28, 2025

In May, the average temperature in Bac Ai, Vietnam is 29°C (84°F), creating a warm and inviting atmosphere. Expect minimum temperatures around 25°C (76°F), while highs can reach up to 37°C (98°F). With 142 mm (5.6 in) of precipitation over 20 days, it's wise to have your umbrella handy. The average humidity rests at a comfortable 78%, adding to the tropical charm of this destination.

May Temperature in Bac Ai

In May in Bac Ai, the average temperature is 29°C (84°F). Maximums can reach 37°C (98°F) and minimums can drop to as low as 25°C (76°F). It's a great time to enjoy summer activities while staying hydrated and cool.

May Weather in Bac Ai: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Bac Ai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bac Ai, May typically has an average temperature of 29°C (84°F), with highs reaching up to 37°C (98°F) and lows dropping to around 25°C (76°F).
JanFebMarAprMayJunJulAugSepOctNovDec767680828485848482817977
Data source: Temperature data for Bac Ai 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 Bac Ai

In Bac Ai in May, the precipitation amount is 142 mm (5.6 in) spread over 20 days.

May Precipitation Trends in Bac Ai

The chart displays monthly precipitation patterns in Bac Ai, 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 Bac Ai, May typically receives around 142 mm (5.6 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec5917274814288106127221241272116
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Bac Ai

In Bac Ai in May humidity is 78%. With an average temperature of 29°C (84°F), this humidity feels like a thick blanket enveloping you, making travel feel sticky and exhausting as you navigate through the heat.

May Average Humidity in Bac Ai

This chart illustrates the average monthly humidity levels in Bac Ai, 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 Bac Ai is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%78%76%78%84%86%87%87%86%89%88%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Bac Ai

In Bac Ai 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 Bac Ai.

Maximum UV Index Levels in Bac Ai for May

The chart shows the monthly maximum UV Index (UVI) for Bac Ai 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 Bac Ai typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111416151514141515131210
Data source: Bac Ai 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 Bac Ai Compares to Other Months

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

This table compares monthly weather conditions in Bac Ai, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (76°F)59 mm (2.3 inches)82%extreme
February Weather25°C (77°F)17 mm (0.7 inches)79%extreme
March Weather26°C (80°F)26 mm (1.0 inches)78%extreme
April Weather28°C (82°F)48 mm (1.9 inches)76%extreme
May Weather29°C (84°F)142 mm (5.6 inches)78%extreme
June Weather29°C (85°F)88 mm (3.5 inches)84%extreme
July Weather29°C (85°F)106 mm (4.2 inches)86%extreme
August Weather29°C (85°F)127 mm (5.0 inches)87%extreme
September Weather28°C (83°F)221 mm (8.7 inches)87%extreme
October Weather27°C (81°F)241 mm (9.5 inches)86%extreme
November Weather26°C (79°F)272 mm (10.7 inches)89%extreme
December Weather25°C (77°F)116 mm (4.6 inches)88%very high

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