May Weather in Phanom, Thailand

Last updated: August 27, 2025

In May, the average temperature in Phanom, Thailand is a warm 27°C (81°F), with lows of 22°C (72°F) and highs reaching up to 35°C (96°F). Expect significant moisture, as the area receives an average of 254 mm (10.0 in) of precipitation over 28 days, coupled with a high average humidity of 77%.

May Temperature in Phanom

In May, in Phanom, the average temperature is 27°C (81°F), with maximums reaching 35°C (96°F) and minimums as low as 22°C (72°F). This warm and pleasant weather makes Phanom an ideal destination for travelers seeking a sunny getaway.

May Weather in Phanom: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Phanom, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Phanom, May typically has an average temperature of 27°C (81°F), with highs reaching up to 35°C (96°F) and lows dropping to around 22°C (72°F).

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

May Precipitation in Phanom

In Phanom in May, the total precipitation amount is 254 mm (10.0 in) spread over a period of 28 days.

May Precipitation Trends in Phanom

The chart displays monthly precipitation patterns in Phanom, 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 Phanom, May typically receives around 254 mm (10.0 inches) of precipitation spread over approximately 28 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 Phanom

In Phanom in May, humidity is 77%. With an average temperature of 27°C (81°F), this humidity feels like a warm blanket, making travel feel sticky and heavy, as sweat clings to the skin and the air becomes thick, causing you to long for refreshing breezes and cool shade.

May Average Humidity in Phanom

This chart illustrates the average monthly humidity levels in Phanom, 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 Phanom is approximately 77%, 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 Phanom

In Phanom 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 Phanom, you can check here.

Maximum UV Index Levels in Phanom for May

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

Data source: Phanom 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 Phanom Compares to Other Months

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

This table compares monthly weather conditions in Phanom, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (79°F)	97 mm (3.8 inches)	72%	extreme
February Weather	27°C (80°F)	25 mm (1.0 inches)	68%	extreme
March Weather	28°C (83°F)	62 mm (2.5 inches)	68%	extreme
April Weather	28°C (82°F)	214 mm (8.4 inches)	69%	extreme
May Weather	27°C (81°F)	254 mm (10.0 inches)	77%	extreme
June Weather	27°C (80°F)	227 mm (8.9 inches)	86%	extreme
July Weather	27°C (80°F)	203 mm (8.0 inches)	86%	extreme
August Weather	26°C (80°F)	199 mm (7.8 inches)	88%	extreme
September Weather	26°C (79°F)	260 mm (10.2 inches)	87%	extreme
October Weather	26°C (79°F)	316 mm (12.4 inches)	86%	extreme
November Weather	26°C (79°F)	238 mm (9.4 inches)	87%	extreme
December Weather	25°C (78°F)	130 mm (5.1 inches)	83%	extreme