May Weather in Lamphun, Thailand

Last updated: August 27, 2025

In May, the average temperature in Lamphun, Thailand is a warm 29°C (85°F), with daily highs reaching up to 41°C (106°F) and lows dipping to 23°C (73°F). Expect about 125 mm (4.9 in) of precipitation spread over 14 days, contributing to an average humidity of 63% in this vibrant locale.

May Temperature in Lamphun

In May in Lamphun, the average temperature is 29°C (85°F). Maximum temperatures can reach 41°C (106°F), while minimums can drop to as low as 23°C (73°F). Be prepared for warm and potentially hot conditions, making it an ideal time for beach activities and exploring cooler indoor attractions.

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

The chart illustrates May temperature patterns in Lamphun, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lamphun, May typically has an average temperature of 29°C (85°F), with highs reaching up to 41°C (106°F) and lows dropping to around 23°C (73°F).

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

May Precipitation in Lamphun

In Lamphun in May, the precipitation amount is 125 mm (4.9 in) over the course of 14 days.

May Precipitation Trends in Lamphun

The chart displays monthly precipitation patterns in Lamphun, 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 Lamphun, May typically receives around 125 mm (4.9 inches) of precipitation spread over approximately 14 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

May Humidity in Lamphun

In Lamphun in May humidity is 63%. With an average temperature of 29°C (85°F), this humidity feels like a warm, muggy embrace that can leave travelers feeling sticky and slightly drained, making it essential to stay hydrated and take breaks in shaded areas.

May Average Humidity in Lamphun

This chart illustrates the average monthly humidity levels in Lamphun, 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 Lamphun is approximately 63%, 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 Lamphun

In Lamphun 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 Lamphun, you can check here.

Maximum UV Index Levels in Lamphun for May

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

Data source: Lamphun 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 Lamphun Compares to Other Months

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

This table compares monthly weather conditions in Lamphun, 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)	12 mm (0.5 inches)	51%	very high
February Weather	24°C (76°F)	3 mm (0.1 inches)	46%	extreme
March Weather	28°C (82°F)	2 mm (0.1 inches)	38%	extreme
April Weather	29°C (85°F)	72 mm (2.8 inches)	36%	extreme
May Weather	29°C (85°F)	125 mm (4.9 inches)	63%	extreme
June Weather	29°C (84°F)	146 mm (5.7 inches)	81%	extreme
July Weather	28°C (83°F)	194 mm (7.6 inches)	83%	extreme
August Weather	27°C (82°F)	255 mm (10.0 inches)	91%	extreme
September Weather	27°C (82°F)	203 mm (8.0 inches)	83%	extreme
October Weather	27°C (80°F)	169 mm (6.7 inches)	67%	extreme
November Weather	25°C (77°F)	36 mm (1.4 inches)	60%	very high
December Weather	22°C (72°F)	15 mm (0.6 inches)	56%	very high