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May Weather in Sap Yai, Thailand

Last updated: August 27, 2025

In May, the average temperature in Sap Yai, Thailand hovers around 28°C (83°F). During this time, temperatures can dip to a minimum of 20°C (68°F) and soar to a maximum of 37°C (99°F). Expect precipitation of around 200 mm (7.9 in) spread over 22 days, accompanied by a humidity level of 76% that adds to the tropical feel of the month.

May Temperature in Sap Yai

In May in Sap Yai, the average temperature is 28°C (83°F), with maximums reaching 37°C (99°F) and minimums dropping as low as 20°C (68°F). This warm weather makes it an ideal destination for travelers seeking sunny and enjoyable experiences.

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

The chart illustrates May temperature patterns in Sap Yai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sap Yai, May typically has an average temperature of 28°C (83°F), with highs reaching up to 37°C (99°F) and lows dropping to around 20°C (68°F).
JanFebMarAprMayJunJulAugSepOctNovDec767782828282818080807975
Data source: Temperature data for Sap 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 Sap Yai

In Sap Yai in May, the precipitation amount is 200 mm (7.9 in) over the course of 22 days.

May Precipitation Trends in Sap Yai

The chart displays monthly precipitation patterns in Sap 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 Sap Yai, May typically receives around 200 mm (7.9 inches) of precipitation spread over approximately 22 days.
JanFebMarAprMayJunJulAugSepOctNovDec72043100200202276273307187187
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Sap Yai

In Sap Yai in May, humidity is 76%. With an average temperature of 28°C (83°F), this humidity feels like a warm, sticky embrace, making outdoor activities challenging and requiring travelers to stay hydrated and take frequent breaks in the shade.

May Average Humidity in Sap Yai

This chart illustrates the average monthly humidity levels in Sap 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 Sap Yai is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec50%47%41%51%76%83%80%86%88%79%68%59%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Sap Yai

In Sap 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 Sap Yai, you can check here.

Maximum UV Index Levels in Sap Yai for May

The chart shows the monthly maximum UV Index (UVI) for Sap 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 Sap Yai typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec9121414141314141413109
Data source: Sap 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 Sap Yai Compares to Other Months

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

This table compares monthly weather conditions in Sap Yai, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (76°F)7 mm (0.3 inches)50%very high
February Weather25°C (78°F)19 mm (0.8 inches)47%extreme
March Weather28°C (82°F)43 mm (1.7 inches)41%extreme
April Weather28°C (83°F)100 mm (3.9 inches)51%extreme
May Weather28°C (83°F)200 mm (7.9 inches)76%extreme
June Weather28°C (82°F)202 mm (7.9 inches)83%extreme
July Weather27°C (81°F)276 mm (10.9 inches)80%extreme
August Weather27°C (80°F)273 mm (10.7 inches)85%extreme
September Weather27°C (81°F)307 mm (12.1 inches)88%extreme
October Weather27°C (80°F)187 mm (7.4 inches)79%extreme
November Weather26°C (79°F)18 mm (0.7 inches)68%very high
December Weather24°C (75°F)7 mm (0.3 inches)59%very high

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