Chiang Mai Weather in August
Thailand · 30-year monthly averages
⚠️ Challenging time to visit
August in Chiang Mai is hot, with average daytime highs around 32°C (89°F) and nighttime lows near 24°C (75°F). Expect roughly 223mm of precipitation spread over about 17 rainy days, and heavy rainfall is common — this is peak wet season territory.
Avg high
32°C
89°F
Avg low
24°C
75°F
Rainfall
223mm
very wet
Rainy days
17
days with ≥1mm
☀️ About 111 hours of sunshine over the month (~4h/day).
🎒 What to pack
- breathable summer clothing
- sunscreen, hat and sunglasses
- refillable water bottle
- compact umbrella or rain jacket
August vs the rest of the year
FAQ
- How hot is Chiang Mai in August?
- August in Chiang Mai is hot, with average daytime highs around 32°C (89°F) and nighttime lows near 24°C (75°F). Expect roughly 223mm of precipitation spread over about 17 rainy days, and heavy rainfall is common — this is peak wet season territory.
- Does it rain a lot in Chiang Mai in August?
- Chiang Mai sees around 223mm of precipitation in August on average — very wet by global standards.
- Is August a good time to visit Chiang Mai?
- August is a challenging month to visit Chiang Mai weather-wise — plan around the conditions.