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May Weather in Koah Thum, Cambodia

Last updated: August 22, 2025

In May, the average temperature in Koah Thum, Cambodia is a warm 29°C (85°F). Expect a minimum of 25°C (77°F) and a maximum of 39°C (102°F) during your stay. The region experiences 154 mm (6.1 in) of precipitation over approximately 24 days, contributing to an average humidity of 78%. Be prepared for the heat and occasional rain!

May Temperature in Koah Thum

In May in Koah Thum, the average temperature is 29°C (85°F), with a maximum that can reach 39°C (102°F) and a minimum as low as 25°C (77°F). It's a great time for travelers to enjoy the warm weather while exploring the area's attractions.

May Weather in Koah Thum: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Koah Thum, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Koah Thum, May typically has an average temperature of 29°C (85°F), with highs reaching up to 39°C (102°F) and lows dropping to around 25°C (77°F).
JanFebMarAprMayJunJulAugSepOctNovDec818285858584838382828281
Data source: Temperature data for Koah Thum 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 Koah Thum

In Koah Thum in May, the precipitation amount totals 154 mm (6.1 in) spread over 24 days.

May Precipitation Trends in Koah Thum

The chart displays monthly precipitation patterns in Koah Thum, 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 Koah Thum, May typically receives around 154 mm (6.1 inches) of precipitation spread over approximately 24 days.
JanFebMarAprMayJunJulAugSepOctNovDec23112410215417420122224525812246
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Koah Thum

In Koah Thum in May humidity is 78%. With an average temperature of 29°C (85°F), this humidity feels like a warm, thick blanket wrapping around you, making travel somewhat challenging as you adjust to the muggy conditions. The air feels heavy, and the heat can be intense, prompting frequent breaks to find shade and staying hydrated to keep fatigue at bay.

May Average Humidity in Koah Thum

This chart illustrates the average monthly humidity levels in Koah Thum, 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 Koah Thum is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec62%61%61%67%78%84%86%88%87%85%84%76%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Koah Thum

In Koah Thum in May, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Koah Thum.

Maximum UV Index Levels in Koah Thum for May

The chart shows the monthly maximum UV Index (UVI) for Koah Thum 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 Koah Thum typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec101415151513141414131110
Data source: Koah Thum 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 Koah Thum Compares to Other Months

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

This table compares monthly weather conditions in Koah Thum, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (81°F)23 mm (0.9 inches)62%very high
February Weather28°C (82°F)11 mm (0.4 inches)61%extreme
March Weather29°C (85°F)24 mm (0.9 inches)61%extreme
April Weather30°C (86°F)101 mm (4.0 inches)67%extreme
May Weather29°C (85°F)154 mm (6.1 inches)78%extreme
June Weather29°C (84°F)174 mm (6.8 inches)84%extreme
July Weather28°C (83°F)201 mm (7.9 inches)86%extreme
August Weather28°C (83°F)222 mm (8.7 inches)88%extreme
September Weather28°C (83°F)245 mm (9.6 inches)87%extreme
October Weather28°C (82°F)258 mm (10.1 inches)84%extreme
November Weather28°C (82°F)122 mm (4.8 inches)84%extreme
December Weather27°C (81°F)46 mm (1.8 inches)76%very high

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