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May Weather in Wiang Kaen, Thailand

Last updated: August 27, 2025

In May, the average temperature in Wiang Kaen, Thailand hovers around 28°C (83°F). However, temperatures can vary significantly, with a minimum of 20°C (69°F) and a sweltering maximum of 40°C (104°F). Be prepared for a humid climate, as the average humidity is around 66%, and expect 156 mm (6.1 in) of precipitation spread over 18 days this month.

May Temperature in Wiang Kaen

In May in Wiang Kaen, the average temperature is 28°C (83°F), with maximums reaching 40°C (104°F) and minimums dipping to as low as 20°C (69°F). This climate makes Wiang Kaen an ideal destination for those seeking warm, sunny weather and outdoor adventures.

May Weather in Wiang Kaen: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Wiang Kaen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Wiang Kaen, May typically has an average temperature of 28°C (83°F), with highs reaching up to 40°C (104°F) and lows dropping to around 20°C (69°F).
JanFebMarAprMayJunJulAugSepOctNovDec707379818382828181797569
Data source: Temperature data for Wiang Kaen 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 Wiang Kaen

In Wiang Kaen in May, the total precipitation amount is 156 mm (6.1 in), occurring over a span of 18 days.

May Precipitation Trends in Wiang Kaen

The chart displays monthly precipitation patterns in Wiang Kaen, 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 Wiang Kaen, May typically receives around 156 mm (6.1 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec3417141561562272823491881304126
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Wiang Kaen

In Wiang Kaen in May humidity is 66%. With an average temperature of 28°C (83°F), this humidity feels like walking through a warm blanket, making travel quite uncomfortable and sticky, requiring frequent breaks to hydrate and seek shade.

May Average Humidity in Wiang Kaen

This chart illustrates the average monthly humidity levels in Wiang Kaen, 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 Wiang Kaen is approximately 66%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec57%53%45%39%66%79%90%92%85%72%64%60%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Wiang Kaen

In Wiang Kaen 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 Wiang Kaen, you can check here.

Maximum UV Index Levels in Wiang Kaen for May

The chart shows the monthly maximum UV Index (UVI) for Wiang Kaen 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 Wiang Kaen typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec9101313141314141413108
Data source: Wiang Kaen 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 Wiang Kaen Compares to Other Months

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

This table compares monthly weather conditions in Wiang Kaen, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather21°C (70°F)34 mm (1.3 inches)57%very high
February Weather23°C (73°F)17 mm (0.7 inches)53%very high
March Weather26°C (79°F)14 mm (0.5 inches)45%extreme
April Weather27°C (81°F)156 mm (6.1 inches)39%extreme
May Weather28°C (83°F)156 mm (6.1 inches)66%extreme
June Weather28°C (83°F)227 mm (8.9 inches)79%extreme
July Weather28°C (82°F)282 mm (11.1 inches)90%extreme
August Weather27°C (81°F)349 mm (13.7 inches)92%extreme
September Weather27°C (81°F)188 mm (7.4 inches)85%extreme
October Weather26°C (79°F)130 mm (5.1 inches)72%extreme
November Weather24°C (76°F)41 mm (1.6 inches)64%very high
December Weather21°C (69°F)26 mm (1.0 inches)60%very high

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