May Weather in Chaiwan, Thailand

Last updated: August 27, 2025

In Chaiwan, Thailand, the average temperature in May hovers around 30°C (86°F). Prepare for a range of temperatures, with a minimum of 20°C (69°F) and a scorching maximum of 41°C (106°F). Expect 170 mm (6.7 in) of precipitation spread over 16 days, combined with an average humidity of 65%. Stay hydrated and enjoy the vibrant atmosphere!

May Temperature in Chaiwan

In May in Chaiwan, the average temperature is 30°C (86°F). The maximum can reach 41°C (106°F), and the minimum can be as low as 20°C (69°F). It's an ideal time for travelers to enjoy outdoor activities, but be sure to stay hydrated and protect yourself from the heat.

May Weather in Chaiwan: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Chaiwan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chaiwan, May typically has an average temperature of 30°C (86°F), with highs reaching up to 41°C (106°F) and lows dropping to around 20°C (69°F).
JanFebMarAprMayJunJulAugSepOctNovDec757783858585848383817974
Data source: Temperature data for Chaiwan 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 Chaiwan

In Chaiwan in May, the total precipitation amount is 170 mm (6.7 in) spread over 16 days.

May Precipitation Trends in Chaiwan

The chart displays monthly precipitation patterns in Chaiwan, 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 Chaiwan, May typically receives around 170 mm (6.7 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec4103665171161296277218111126
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Chaiwan

In Chaiwan in May humidity is 65%. With an average temperature of 30°C (86°F), this humidity feels like stepping into a warm, thick blanket, making outdoor adventures challenging but rewarding, as you can experience vibrant local culture while staying hydrated and taking frequent breaks in the shade.

May Average Humidity in Chaiwan

This chart illustrates the average monthly humidity levels in Chaiwan, 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 Chaiwan is approximately 65%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec59%54%45%40%65%82%90%92%86%80%72%67%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Chaiwan

In Chaiwan 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 Chaiwan, you can check here.

Maximum UV Index Levels in Chaiwan for May

The chart shows the monthly maximum UV Index (UVI) for Chaiwan 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 Chaiwan typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec9121414141315141412109
Data source: Chaiwan 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 Chaiwan Compares to Other Months

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

This table compares monthly weather conditions in Chaiwan, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (75°F)4 mm (0.2 inches)59%very high
February Weather25°C (77°F)10 mm (0.4 inches)54%extreme
March Weather28°C (83°F)36 mm (1.4 inches)45%extreme
April Weather30°C (86°F)65 mm (2.5 inches)40%extreme
May Weather30°C (86°F)170 mm (6.7 inches)65%extreme
June Weather29°C (85°F)161 mm (6.3 inches)82%extreme
July Weather29°C (84°F)296 mm (11.6 inches)90%extreme
August Weather28°C (83°F)277 mm (10.9 inches)92%extreme
September Weather28°C (83°F)218 mm (8.6 inches)86%extreme
October Weather27°C (81°F)111 mm (4.4 inches)80%extreme
November Weather26°C (79°F)12 mm (0.5 inches)72%very high
December Weather23°C (74°F)6 mm (0.2 inches)66%very high

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