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May Weather in Chiang Khwan, Thailand

Last updated: August 27, 2025

In May, the average temperature in Chiang Khwan, Thailand soars to a warm 30°C (86°F). However, temperatures can fluctuate, with a minimum of 18°C (65°F) and peaks reaching up to 40°C (104°F). Expect 154 mm (6.0 in) of precipitation spread across 19 days, accompanied by an average humidity of 65%, creating a tropical ambiance perfect for those who thrive in the heat.

May Temperature in Chiang Khwan

In May in Chiang Khwan, the average temperature is 30°C (86°F). Maximums can reach 40°C (104°F) and minimums can be as low as 18°C (65°F). This warm climate makes Chiang Khwan an ideal destination for sun-seekers and outdoor enthusiasts.

May Weather in Chiang Khwan: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Chiang Khwan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chiang Khwan, May typically has an average temperature of 30°C (86°F), with highs reaching up to 40°C (104°F) and lows dropping to around 18°C (65°F).
JanFebMarAprMayJunJulAugSepOctNovDec767884858585848383817975
Data source: Temperature data for Chiang Khwan 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 Chiang Khwan

In Chiang Khwan in May, the precipitation amount is 154 mm (6.0 in) spread over 19 days.

May Precipitation Trends in Chiang Khwan

The chart displays monthly precipitation patterns in Chiang Khwan, 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 Chiang Khwan, May typically receives around 154 mm (6.0 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec493558154158278225288161266
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Chiang Khwan

In Chiang Khwan 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 Chiang Khwan

This chart illustrates the average monthly humidity levels in Chiang Khwan, 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 Chiang Khwan 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 Chiang Khwan

In Chiang Khwan 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 Chiang Khwan, you can check here.

Maximum UV Index Levels in Chiang Khwan for May

The chart shows the monthly maximum UV Index (UVI) for Chiang Khwan 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 Chiang Khwan typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec9121414141314141312109
Data source: Chiang Khwan 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 Chiang Khwan Compares to Other Months

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

This table compares monthly weather conditions in Chiang Khwan, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (76°F)4 mm (0.1 inches)59%very high
February Weather25°C (78°F)9 mm (0.3 inches)54%extreme
March Weather29°C (84°F)35 mm (1.4 inches)45%extreme
April Weather30°C (86°F)58 mm (2.3 inches)40%extreme
May Weather30°C (86°F)154 mm (6.0 inches)65%extreme
June Weather29°C (85°F)158 mm (6.2 inches)82%extreme
July Weather29°C (84°F)278 mm (10.9 inches)90%extreme
August Weather28°C (83°F)225 mm (8.9 inches)92%extreme
September Weather28°C (83°F)288 mm (11.3 inches)86%extreme
October Weather27°C (81°F)161 mm (6.4 inches)80%extreme
November Weather26°C (79°F)26 mm (1.0 inches)72%very high
December Weather24°C (76°F)6 mm (0.2 inches)66%very high

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