May Weather in Surin, Thailand

Last updated: August 27, 2025

In Surin, Thailand, the average temperature in May hovers around 30°C (85°F), creating a warm and inviting atmosphere. However, temperatures can swing from a low of 19°C (66°F) to a scorching high of 41°C (105°F). Expect 143 mm (5.6 in) of precipitation spread over 18 days, contributing to an average humidity of 71%.

May Temperature in Surin

In May in Surin, the average temperature is 30°C (85°F). Maximum temperatures can reach 41°C (105°F), while the minimum can drop as low as 19°C (66°F). Be prepared for warm weather and pack accordingly to ensure a comfortable trip!

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

The chart illustrates May temperature patterns in Surin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Surin, May typically has an average temperature of 30°C (85°F), with highs reaching up to 41°C (105°F) and lows dropping to around 19°C (66°F).

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

May Precipitation in Surin

In Surin in May, the total precipitation amount is 143 mm (5.6 in) recorded over a span of 18 days.

May Precipitation Trends in Surin

The chart displays monthly precipitation patterns in Surin, 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 Surin, May typically receives around 143 mm (5.6 inches) of precipitation spread over approximately 18 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 Surin

In Surin in May humidity is 71%. With an average temperature of 30°C (85°F), this humidity feels like a warm, heavy blanket wrapping around you, making outdoor activities feel more intense and requiring frequent breaks to stay hydrated.

May Average Humidity in Surin

This chart illustrates the average monthly humidity levels in Surin, 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 Surin is approximately 71%, 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 Surin

In Surin 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 Surin.

Maximum UV Index Levels in Surin for May

The chart shows the monthly maximum UV Index (UVI) for Surin 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 Surin typically reaches 15, which falls under the extreme exposure category.

Data source: Surin 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 Surin Compares to Other Months

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

This table compares monthly weather conditions in Surin, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	25°C (77°F)	5 mm (0.2 inches)	56%	very high
February Weather	26°C (79°F)	14 mm (0.6 inches)	50%	extreme
March Weather	29°C (85°F)	27 mm (1.1 inches)	41%	extreme
April Weather	30°C (86°F)	66 mm (2.6 inches)	44%	extreme
May Weather	30°C (85°F)	143 mm (5.6 inches)	71%	extreme
June Weather	30°C (86°F)	113 mm (4.5 inches)	83%	extreme
July Weather	29°C (84°F)	219 mm (8.6 inches)	87%	extreme
August Weather	28°C (83°F)	213 mm (8.4 inches)	90%	extreme
September Weather	28°C (83°F)	280 mm (11.0 inches)	89%	extreme
October Weather	27°C (81°F)	181 mm (7.1 inches)	83%	extreme
November Weather	26°C (80°F)	43 mm (1.7 inches)	74%	very high
December Weather	24°C (76°F)	10 mm (0.4 inches)	68%	very high