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May Weather in Tan Son, Vietnam

Last updated: August 28, 2025

In Tan Son, Vietnam, the average temperature in May is a warm 26°C (80°F). You'll experience a minimum of 21°C (70°F) and can occasionally bask in highs of 35°C (95°F). However, be prepared for some rain, as the region sees an average of 200 mm (7.9 in) of precipitation spread over 24 days. With an average humidity of 78%, it's a tropical climate that promises both warmth and occasional showers!

May Temperature in Tan Son

In May in Tan Son, the average temperature is 26°C (80°F). Maximums can reach 35°C (95°F), while minimums can drop to 21°C (70°F). This warm climate is ideal for travelers seeking sunny days and outdoor activities.

May Weather in Tan Son: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Tan Son, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tan Son, May typically has an average temperature of 26°C (80°F), with highs reaching up to 35°C (95°F) and lows dropping to around 21°C (70°F).
JanFebMarAprMayJunJulAugSepOctNovDec727276787980797977767472
Data source: Temperature data for Tan Son 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 Tan Son

In Tan Son in May, the precipitation amount is 200 mm (7.9 in) spread over a period of 24 days.

May Precipitation Trends in Tan Son

The chart displays monthly precipitation patterns in Tan Son, 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 Tan Son, May typically receives around 200 mm (7.9 inches) of precipitation spread over approximately 24 days.
JanFebMarAprMayJunJulAugSepOctNovDec4115377020114217118427425321867
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Tan Son

In Tan Son in May, humidity is 78%. With an average temperature of 26°C (80°F), this humidity feels like a warm blanket wrapping around you, making travel feel sticky and heavy, while the air clings to your skin and encourages frequent breaks in shaded spots to stay cool.

May Average Humidity in Tan Son

This chart illustrates the average monthly humidity levels in Tan Son, 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 Tan Son 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 Tan Son

In Tan Son 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 Tan Son.

Maximum UV Index Levels in Tan Son for May

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

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

This table compares monthly weather conditions in Tan Son, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather22°C (72°F)41 mm (1.6 inches)82%extreme
February Weather22°C (73°F)15 mm (0.6 inches)79%extreme
March Weather24°C (76°F)37 mm (1.5 inches)78%extreme
April Weather25°C (78°F)70 mm (2.7 inches)76%extreme
May Weather26°C (80°F)200 mm (7.9 inches)78%extreme
June Weather27°C (80°F)142 mm (5.6 inches)84%extreme
July Weather26°C (79°F)171 mm (6.7 inches)86%extreme
August Weather26°C (80°F)184 mm (7.2 inches)87%extreme
September Weather25°C (77°F)274 mm (10.8 inches)87%extreme
October Weather24°C (76°F)253 mm (9.9 inches)86%extreme
November Weather24°C (75°F)218 mm (8.6 inches)89%extreme
December Weather22°C (73°F)67 mm (2.6 inches)88%very high

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