May Weather in Ko Chan, Thailand

Last updated: August 27, 2025

In May, the average temperature in Ko Chan, Thailand is a warm 29°C (85°F). Expect minimum temperatures to hover around 21°C (71°F) and highs reaching up to 37°C (99°F). Be prepared for a fair amount of rainfall, with 202 mm (8.0 in) of precipitation spread over 23 days. The air is quite humid as well, with an average humidity level of 80%.

May Temperature in Ko Chan

In May in Ko Chan, the average temperature is 29°C (85°F), with maximums reaching 37°C (99°F) and minimums dipping as low as 21°C (71°F). This warm climate makes it an ideal destination for sun-seekers and outdoor enthusiasts.

May Weather in Ko Chan: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Ko Chan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ko Chan, May typically has an average temperature of 29°C (85°F), with highs reaching up to 37°C (99°F) and lows dropping to around 21°C (71°F).

Data source: Temperature data for Ko Chan generated using information from the Copernicus Climate Change Service.

May Precipitation in Ko Chan

In Ko Chan in May, the precipitation amount is 202 mm (8.0 in) spread over 23 days.

May Precipitation Trends in Ko Chan

The chart displays monthly precipitation patterns in Ko Chan, 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 Ko Chan, May typically receives around 202 mm (8.0 inches) of precipitation spread over approximately 23 days.

Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

May Humidity in Ko Chan

In Ko Chan in May, humidity is 80%. With an average temperature of 29°C (85°F), this humidity feels like a heavy blanket enveloping you, making every outdoor adventure feel more strenuous as sweat clings to your skin and the air feels thick and muggy.

May Average Humidity in Ko Chan

This chart illustrates the average monthly humidity levels in Ko Chan, 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 Ko Chan is approximately 80%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Ko Chan

In Ko Chan 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 Ko Chan, you can check here.

Maximum UV Index Levels in Ko Chan for May

The chart shows the monthly maximum UV Index (UVI) for Ko Chan 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 Ko Chan typically reaches 14, which falls under the extreme exposure category.

Data source: Ko Chan 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 Ko Chan Compares to Other Months

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

This table compares monthly weather conditions in Ko Chan, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	27°C (81°F)	21 mm (0.8 inches)	59%	very high
February Weather	28°C (82°F)	23 mm (0.9 inches)	58%	extreme
March Weather	29°C (85°F)	62 mm (2.4 inches)	61%	extreme
April Weather	29°C (85°F)	122 mm (4.8 inches)	70%	extreme
May Weather	29°C (85°F)	202 mm (8.0 inches)	80%	extreme
June Weather	29°C (85°F)	153 mm (6.0 inches)	85%	extreme
July Weather	29°C (84°F)	201 mm (7.9 inches)	86%	extreme
August Weather	29°C (84°F)	198 mm (7.8 inches)	88%	extreme
September Weather	28°C (83°F)	292 mm (11.5 inches)	87%	extreme
October Weather	28°C (83°F)	241 mm (9.5 inches)	83%	extreme
November Weather	28°C (82°F)	45 mm (1.8 inches)	78%	extreme
December Weather	27°C (81°F)	22 mm (0.9 inches)	70%	very high