May Weather in Chiang Mai

Last updated: March 2, 2024

The weather in Chiang Mai, Thailand, during May is characterized by an average temperature of 30°C (86°F). Highs can soar to 39°C (103°F), while lows may dip to 23°C (74°F). Typically, the humidity level in Chiang Mai throughout May hovers around 63%.

23°C (74°F)

Minimum temperature

30°C (86°F)

Average temperature

39°C (103°F)

Maximum temperature

63%

Humidity

Precipitation and Sunshine hours

In May, Chiang Mai averages 82 mm (3.2 inches) of rainfall, typically over the course of 9 rainy days. The month enjoys an average of 13 hours 0 minutes of daylight, with the sun shining for approximately 10 hours 38 minutes each day. Additionally, there is a 45% probability of sunny days during this period.

82 mm (3.2 inches)

Precipitation

9 rainy days

Rainy days

10 hours 38 minutes

Sunshine hours

45%

Chance of sun

UV Index

In May, the UV Index in Chiang Mai reaches a maximum of 14, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 10 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00
UVI 1 3 6 10 13 14 14 11 8 4 2 1 0
Exposure Low Moderate High VeryHigh Extreme VeryHigh Moderate Low
Time to burn 45 min 30 min 25 min 15 min 10 min 15 min 30 min 45 min

Compare Chiang Mai's Climate with Cities Worldwide