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May Weather in Ky Son, Vietnam

Last updated: August 28, 2025

In May, the average temperature in Ky Son, Vietnam reaches a warm 27°C (81°F). Expect a minimum of 19°C (66°F) and a toasty maximum of 40°C (104°F). During this month, precipitation averages 179 mm (7.0 in), occurring over 18 days, while the humidity remains on the higher side at 73%.

May Temperature in Ky Son

In May in Ky Son, the average temperature is 27°C (81°F). The maximum can reach 40°C (104°F), and the minimum can be as low as 19°C (66°F). It's a perfect time to enjoy outdoor activities, but make sure to stay hydrated and protect yourself from the sun.

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

The chart illustrates May temperature patterns in Ky Son, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ky Son, May typically has an average temperature of 27°C (81°F), with highs reaching up to 40°C (104°F) and lows dropping to around 19°C (66°F).
JanFebMarAprMayJunJulAugSepOctNovDec636471758185848381757163
Data source: Temperature data for Ky 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 Ky Son

In Ky Son in May, the precipitation amount is 179 mm (7.0 in) over a span of 18 days.

May Precipitation Trends in Ky Son

The chart displays monthly precipitation patterns in Ky 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 Ky Son, May typically receives around 179 mm (7.0 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec6039691621792593344232462925648
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Ky Son

In Ky Son in May, humidity is 73%. With an average temperature of 27°C (81°F), this humidity feels like a warm blanket enveloping you, making outdoor activities feel sticky and heavy, while also requiring frequent hydration breaks to stay comfortable during your travels.

May Average Humidity in Ky Son

This chart illustrates the average monthly humidity levels in Ky 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 Ky Son 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 Ky Son

In Ky Son 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 Ky Son.

Maximum UV Index Levels in Ky Son for May

The chart shows the monthly maximum UV Index (UVI) for Ky 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 Ky Son typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec810121213131313131197
Data source: Ky 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 Ky Son Compares to Other Months

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

This table compares monthly weather conditions in Ky Son, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather17°C (63°F)60 mm (2.4 inches)66%very high
February Weather18°C (64°F)39 mm (1.5 inches)71%very high
March Weather22°C (71°F)69 mm (2.7 inches)69%extreme
April Weather24°C (75°F)162 mm (6.4 inches)64%extreme
May Weather27°C (81°F)179 mm (7.0 inches)73%extreme
June Weather30°C (85°F)259 mm (10.2 inches)81%extreme
July Weather29°C (84°F)334 mm (13.2 inches)90%extreme
August Weather28°C (83°F)423 mm (16.6 inches)89%extreme
September Weather27°C (81°F)246 mm (9.7 inches)82%extreme
October Weather24°C (76°F)292 mm (11.5 inches)77%extreme
November Weather21°C (71°F)56 mm (2.2 inches)72%very high
December Weather17°C (63°F)48 mm (1.9 inches)71%high

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