May Weather in O Mon, Vietnam

Last updated: August 28, 2025

In O Mon, Vietnam, the average temperature in May hovers around 29°C (84°F), with minimums dropping to 25°C (77°F) and maximums soaring to 37°C (98°F). Expect a precipitation amount of 219 mm (8.6 in) spread over 26 days, paired with a notable average humidity of 80%. Enjoy the tropical vibe while staying prepared for those rainy spells!

May Temperature in O Mon

In May in O Mon, the average temperature is 29°C (84°F), with maximums reaching 37°C (98°F) and minimums dropping to 25°C (77°F). It's an excellent time for travel if you enjoy warm weather and outdoor activities.

May Weather in O Mon: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in O Mon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In O Mon, 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 (77°F).
JanFebMarAprMayJunJulAugSepOctNovDec798083848482828282818180
Data source: Temperature data for O Mon 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 O Mon

In O Mon in May, the precipitation amount is 219 mm (8.6 in) spread over 26 days.

May Precipitation Trends in O Mon

The chart displays monthly precipitation patterns in O Mon, 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 O Mon, May typically receives around 219 mm (8.6 inches) of precipitation spread over approximately 26 days.
JanFebMarAprMayJunJulAugSepOctNovDec48212911121925227627330528816683
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in O Mon

In O Mon 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 O Mon

This chart illustrates the average monthly humidity levels in O Mon, 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 O Mon is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%75%76%78%80%82%83%85%85%83%86%85%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in O Mon

In O Mon 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 O Mon, you can check here.

Maximum UV Index Levels in O Mon for May

The chart shows the monthly maximum UV Index (UVI) for O Mon 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 O Mon typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec101315141413131414131110
Data source: O Mon 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 O Mon Compares to Other Months

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

This table compares monthly weather conditions in O Mon, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (80°F)48 mm (1.9 inches)77%very high
February Weather27°C (80°F)21 mm (0.8 inches)75%extreme
March Weather28°C (83°F)29 mm (1.1 inches)76%extreme
April Weather29°C (84°F)111 mm (4.4 inches)78%extreme
May Weather29°C (84°F)219 mm (8.6 inches)80%extreme
June Weather28°C (83°F)252 mm (9.9 inches)82%extreme
July Weather28°C (82°F)276 mm (10.8 inches)83%extreme
August Weather28°C (82°F)273 mm (10.8 inches)85%extreme
September Weather28°C (82°F)305 mm (12.0 inches)85%extreme
October Weather27°C (82°F)288 mm (11.3 inches)83%extreme
November Weather27°C (82°F)166 mm (6.5 inches)86%extreme
December Weather27°C (80°F)83 mm (3.3 inches)85%very high

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