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May Weather in Lahan Sai, Thailand

Last updated: August 27, 2025

In May, the average temperature in Lahan Sai, Thailand reaches a warm 29°C (84°F). While you can expect a minimum of 19°C (67°F), temperatures can soar to a sizzling 40°C (105°F). Be prepared for frequent rain, as precipitation averages 162 mm (6.4 in) over 20 days, contributing to a humid environment with an average humidity of 71%.

May Temperature in Lahan Sai

In May in Lahan Sai, the average temperature is 29°C (84°F), with maximums potentially reaching 40°C (105°F) and minimums dipping as low as 19°C (67°F). It's a great time for travelers to enjoy warm weather while being prepared for some hot days.

May Weather in Lahan Sai: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Lahan Sai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lahan Sai, May typically has an average temperature of 29°C (84°F), with highs reaching up to 40°C (105°F) and lows dropping to around 19°C (67°F).
JanFebMarAprMayJunJulAugSepOctNovDec777985848484838382807976
Data source: Temperature data for Lahan Sai 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 Lahan Sai

In Lahan Sai in May, the total precipitation amount is 162 mm (6.4 in), occurring over the course of 20 days.

May Precipitation Trends in Lahan Sai

The chart displays monthly precipitation patterns in Lahan Sai, 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 Lahan Sai, May typically receives around 162 mm (6.4 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec7153690162981531572121504412
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Lahan Sai

In Lahan Sai in May, humidity is 71%. With an average temperature of 29°C (84°F), this humidity feels like a warm, heavy blanket enveloping you, making traveling quite uncomfortable as the air clings to your skin and requires frequent breaks to stay hydrated.

May Average Humidity in Lahan Sai

This chart illustrates the average monthly humidity levels in Lahan Sai, 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 Lahan Sai is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec56%50%41%44%71%84%87%90%89%83%74%68%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Lahan Sai

In Lahan Sai 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 Lahan Sai, you can check here.

Maximum UV Index Levels in Lahan Sai for May

The chart shows the monthly maximum UV Index (UVI) for Lahan Sai 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 Lahan Sai typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10131414141414141413119
Data source: Lahan Sai 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 Lahan Sai Compares to Other Months

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

This table compares monthly weather conditions in Lahan Sai, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)6 mm (0.3 inches)56%very high
February Weather26°C (80°F)15 mm (0.6 inches)50%extreme
March Weather29°C (85°F)36 mm (1.4 inches)41%extreme
April Weather29°C (84°F)90 mm (3.6 inches)44%extreme
May Weather29°C (84°F)162 mm (6.4 inches)71%extreme
June Weather29°C (84°F)98 mm (3.9 inches)83%extreme
July Weather28°C (83°F)153 mm (6.0 inches)87%extreme
August Weather28°C (83°F)157 mm (6.2 inches)90%extreme
September Weather28°C (82°F)212 mm (8.4 inches)89%extreme
October Weather27°C (81°F)150 mm (5.9 inches)83%extreme
November Weather26°C (79°F)44 mm (1.7 inches)74%extreme
December Weather24°C (76°F)12 mm (0.5 inches)68%very high

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