Chiang Rai weather in May 2025

Expect 91°F daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Chiang Rai in May. Check more long-term weather averages for Chiang Rai in May before you book your next holiday to Thailand in 2025/2026.

  • 91°F maximum daytime temperature in May in Chiang Rai91
    91°F max day temperature
  • 7 hours of sunshine per day
  • 17 days with some rainfall in May in Chiang Rai17
    17 days with some rainfall
  • 72°F minimum night-time temperature in May in Chiang Rai72
    72°F min night temperature
  • 13 hours of daylight per day in May in Chiang Rai13
    13 hours of daylight per day
  • Very high heat & humidity in May in Chiang RaiVH
    Very High heat & humidity
  • 8.0 inches monthly rainfall in May in Chiang Rai8.0
    8.0 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in May in Chiang Rai11
    11+ (Extreme) UV index

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The May weather guide for Thailand (Chiang Rai) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C)  |  Imperial (°F)

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How hot is it in Chiang Rai in May?

Daytime temperatures usually reach 91°F in Chiang Rai in May with very high heat and humidity, falling to 72°F at night.

How sunny is it in Chiang Rai in May?

There are normally 7 hours of bright sunshine each day in Chiang Rai in May - that's 55% of daylight hours.

Does it rain in Chiang Rai in May?

There are usually 17 days with some rain in Chiang Rai in May and the average monthly rainfall is 8.0 inches.

Chiang Rai May sunrise & sunset times

Browse the sunrise and sunset times for Chiang Rai in May 2025. Select a month to view Chiang Rai sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:52 18:44
Friday, 16th May 2025 05:44 18:50
Saturday, 31st May 2025 05:41 18:56

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