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May Weather in Chian Yai, Thailand

Last updated: August 27, 2025

In May, the average temperature in Chian Yai, Thailand hovers around 29°C (84°F), offering a warm climate. Temperatures can range from a comfortable 25°C (78°F) to a sizzling 35°C (95°F). However, be prepared for some wet days, as precipitation averages 161 mm (6.3 in) over 25 days, with an average humidity of 76%.

May Temperature in Chian Yai

In May in Chian Yai, the average temperature is 29°C (84°F). Maximums can reach 35°C (95°F), and minimums can be as low as 25°C (78°F). This warm climate makes Chian Yai a great destination for travelers seeking sunny weather and outdoor activities.

May Weather in Chian Yai: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Chian Yai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chian Yai, May typically has an average temperature of 29°C (84°F), with highs reaching up to 35°C (95°F) and lows dropping to around 25°C (78°F).
JanFebMarAprMayJunJulAugSepOctNovDec808182838383848482828180
Data source: Temperature data for Chian Yai 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 Chian Yai

In Chian Yai in May, the precipitation amount reaches 161 mm (6.3 in) over the course of 25 days.

May Precipitation Trends in Chian Yai

The chart displays monthly precipitation patterns in Chian Yai, 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 Chian Yai, May typically receives around 161 mm (6.3 inches) of precipitation spread over approximately 25 days.
JanFebMarAprMayJunJulAugSepOctNovDec1945057175161978370125239429336
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Chian Yai

In Chian Yai in May, humidity is 76%. With an average temperature of 29°C (84°F), this humidity feels like a warm embrace that clings to your skin, making outdoor activities a challenge and encouraging travelers to seek shade or cool refreshments frequently.

May Average Humidity in Chian Yai

This chart illustrates the average monthly humidity levels in Chian Yai, 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 Chian Yai is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec73%74%78%80%76%79%80%83%82%80%83%80%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Chian Yai

In Chian Yai 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 Chian Yai, you can check here.

Maximum UV Index Levels in Chian Yai for May

The chart shows the monthly maximum UV Index (UVI) for Chian Yai 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 Chian Yai typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec121416151413131414141211
Data source: Chian Yai 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 Chian Yai Compares to Other Months

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

This table compares monthly weather conditions in Chian Yai, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (80°F)194 mm (7.6 inches)73%extreme
February Weather27°C (81°F)50 mm (2.0 inches)74%extreme
March Weather28°C (82°F)57 mm (2.3 inches)78%extreme
April Weather28°C (83°F)175 mm (6.9 inches)80%extreme
May Weather29°C (84°F)161 mm (6.3 inches)76%extreme
June Weather29°C (84°F)97 mm (3.8 inches)79%extreme
July Weather29°C (84°F)83 mm (3.3 inches)80%extreme
August Weather29°C (84°F)70 mm (2.7 inches)82%extreme
September Weather28°C (83°F)125 mm (4.9 inches)82%extreme
October Weather28°C (82°F)239 mm (9.4 inches)80%extreme
November Weather27°C (81°F)429 mm (16.9 inches)82%extreme
December Weather27°C (81°F)336 mm (13.2 inches)80%extreme

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