Weather in Chiang Rai in May
Chiang Rai, Thailand averages a high of 31.4°C (88.5°F) and low of 23.3°C (73.9°F) in May, with 21 rain days and 10.1 hours of daily sunshine. Travel score: 69.1/100 (Good). The best time to visit Chiang Rai is February.
High
31°C89°F
Low
23°C74°F
🌧️
21
rain days
☀️
10.1
hrs/day sunshine
💧
78%
humidity
69— Good
May in Chiang Rai is hot and very rainy — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Chiang Rai?
How much does it rain in Chiang Rai in May?
Chiang Rai receives an average of 267.6mm of rainfall across 21 rainy days in May. The annual total is 1990.5mm.
What should I pack for Chiang Rai in May?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light, breathable clothing
Hot weather with highs around 31°C
🧢
Sun hat or cap
Protection from intense sun
🧥
Waterproof jacket
Frequent rain expected (21 rainy days)
☔
Umbrella
Essential for the rainy season
👢
Waterproof shoes
Keep your feet dry in wet conditions
🧴
Sunscreen SPF 30+
10 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Traveling to Thailand in May?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31