Chiang Mai · SummerMonth summary
Chiang Mai weather in August
⚠️ Fair
🌡️ Temperature min / max
75°F – 86°F
🌧 Rainy days
96% of days
☀️ Sunshine
8.2h per day on average
🌊 🌊 Season
Summer
⭐ ⭐ Weather score
5.4/10
📅 📅 Best month
December (9.0/10)
Quick decision
Should you visit Chiang Mai in August?
⚠️ Fair
✅ Yes if: you prefer off-season travel with reduced prices and very few tourists.
❌ No if: you want to avoid rain — more than half the days are rainy.
Our take: Chiang Mai in August is possible but December offers a score of 9.0/10 vs 5.4.
By trip type
Chiang Mai in August by trip type
- 🏙️ 🏙️ City break / culture : ⚠️ Possible
- 🚶 🚶 Outdoor activities : ❌ Not recommended
- 🏖️ Beach / swimming : ❌ Not recommended
- 💰 💰 Budget : ✅ Low season
Local context
What to expect in August
In the height of summer, Chiang Mai sees high temperatures (30°F). Heat is a factor for outdoor activities. With 96% of rainy days, always have indoor alternatives planned.
Browse by month
All months for Chiang Mai
Annual table
Month-by-month comparison
| Month | Min °F | Max °F | Rain % | Precip in | Sun h/d | Score |
|---|---|---|---|---|---|---|
| ☀️ January | 63°F | 82°F | 13% | 0.0in | 10.3h | 8.9/10 |
| ☀️ February | 64°F | 86°F | 6% | 0.0in | 10.7h | 8.6/10 |
| ☀️ March | 70°F | 93°F | 6% | 0.0in | 11.0h | 7.5/10 |
| 🥵 April | 75°F | 97°F | 22% | 0.1in | 11.1h | 6.9/10 |
| ⛅ May | 75°F | 91°F | 60% | 0.3in | 11.3h | 7.0/10 |
| 🌧️ June | 75°F | 88°F | 87% | 0.3in | 9.7h | 6.4/10 |
| 🌧️ July | 75°F | 86°F | 90% | 0.5in | 8.4h | 6.0/10 |
| 🌧️ August | 75°F | 86°F | 96% | 0.5in | 8.2h | 5.4/10 |
| 🌧️ September | 73°F | 86°F | 86% | 0.4in | 9.6h | 7.0/10 |
| 🌤️ October | 72°F | 86°F | 59% | 0.2in | 10.4h | 7.2/10 |
| 🌤️ November | 70°F | 84°F | 30% | 0.1in | 10.2h | 8.1/10 |
| ☀️ December | 64°F | 82°F | 10% | 0.0in | 10.1h | 9.0/10 |
Ideal
Fair
Challenging climate
◀ Current month · Source Open-Meteo · 10 years
📊 Data source
Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In August, Chiang Mai averages 86°F, 96% rainy days and 8.2h of sunshine per day. Overall weather score: 5.4/10.
See methodology →
Comparison
August vs December (best month)
The best month is December (score 9.0/10). Difference:
- 🌡️ Max temperature : -2°F
- 🌧 Rainy days : -86%
- ☀️ Sunshine : +1.9h/day
FAQ
FAQ — Chiang Mai in August
Is August a good time to visit Chiang Mai?
August is not recommended for Chiang Mai (score 5.4/10). With 96% rainy days and 8.2h of sunshine, consider December (9.0/10) instead.
Does it rain a lot in Chiang Mai in August?
Yes, 96% of days see rain in August. Plan some indoor activities as backup.
Accommodation
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Activities & tours
Activities and tours in Chiang Mai
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