May Weather in Loei, Thailand

Last updated: August 27, 2025

In May, the average temperature in Loei, Thailand is a warm 28°C (83°F), with daily values ranging from a minimum of 21°C (70°F) to a scorching maximum of 39°C (102°F). Visitors should prepare for potential rain, as the region experiences about 189 mm (7.5 in) of precipitation over 22 days. Coupled with an average humidity level of 69%, the weather offers a tropical feel that's both inviting and invigorating!

May Temperature in Loei

In May in Loei, the average temperature is 28°C (83°F), with maximums reaching up to 39°C (102°F) and minimums dropping as low as 21°C (70°F). If you plan to travel during this time, be prepared for warm weather and stay hydrated.

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

The chart illustrates May temperature patterns in Loei, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Loei, May typically has an average temperature of 28°C (83°F), with highs reaching up to 39°C (102°F) and lows dropping to around 21°C (70°F).

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

May Precipitation in Loei

In Loei in May, the total precipitation amount is 189 mm (7.5 in) spread over 22 days.

May Precipitation Trends in Loei

The chart displays monthly precipitation patterns in Loei, 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 Loei, May typically receives around 189 mm (7.5 inches) of precipitation spread over approximately 22 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 Loei

In Loei in May, humidity is 69%. With an average temperature of 28°C (83°F), this humidity feels like a warm, heavy blanket wrapping around you, making outdoor exploration a bit more strenuous and requiring plenty of hydration and breaks in the shade.

May Average Humidity in Loei

This chart illustrates the average monthly humidity levels in Loei, 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 Loei is approximately 69%, 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 Loei

In Loei 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 Loei, you can check here.

Maximum UV Index Levels in Loei for May

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

Data source: Loei 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 Loei Compares to Other Months

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

This table compares monthly weather conditions in Loei, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	23°C (73°F)	7 mm (0.3 inches)	52%	very high
February Weather	24°C (75°F)	16 mm (0.6 inches)	49%	extreme
March Weather	27°C (81°F)	39 mm (1.5 inches)	39%	extreme
April Weather	28°C (82°F)	89 mm (3.5 inches)	40%	extreme
May Weather	28°C (83°F)	189 mm (7.5 inches)	69%	extreme
June Weather	28°C (83°F)	191 mm (7.5 inches)	81%	extreme
July Weather	28°C (82°F)	211 mm (8.3 inches)	83%	extreme
August Weather	27°C (82°F)	279 mm (11.0 inches)	87%	extreme
September Weather	27°C (81°F)	225 mm (8.8 inches)	86%	extreme
October Weather	26°C (79°F)	124 mm (4.9 inches)	74%	extreme
November Weather	25°C (77°F)	14 mm (0.5 inches)	63%	very high
December Weather	22°C (71°F)	9 mm (0.4 inches)	57%	very high