Chiang Mai · SummerMonth summary
Chiang Mai weather in July
⚠️ Fair
🌡️ Temperature min / max
24°C – 30°C
🌧 Rainy days
90% of days
☀️ Sunshine
8.4h per day on average
🌊 🌊 Season
Summer
⭐ ⭐ Weather score
6.0/10
📅 📅 Best month
December (9.0/10)
Quick decision
Should you visit Chiang Mai in July?
⚠️ Fair
✅ Yes if: you're willing to accept showers in exchange for lower prices and fewer tourists.
❌ No if: you're planning 100% outdoor activities — rain is frequent.
Our take: July is an average time for Chiang Mai. December (9.0/10) is clearly preferable.
By trip type
Chiang Mai in July by trip type
- 🏙️ 🏙️ City break / culture : ⚠️ Possible
- 🚶 🚶 Outdoor activities : ⚠️ Possible
- 🏖️ Beach / swimming : ❌ Not recommended
- 💰 💰 Budget : ✅ Low season
Local context
What to expect in July
🎯 Tourist low season — museums and monuments without queues In the height of summer, Chiang Mai sees high temperatures (30°C). Heat is a factor for outdoor activities. With 90% of rainy days, always have indoor alternatives planned. Not the best window, but acceptable if dates are constrained. December (9.0/10) is significantly better if possible.
Browse by month
All months for Chiang Mai
Annual table
Month-by-month comparison
| Month | Min °C | Max °C | Rain % | Precip mm | Sun h/d | Score |
|---|---|---|---|---|---|---|
| ☀️ January | 17°C | 28°C | 13% | 0.7 | 10.3h | 8.9/10 |
| ☀️ February | 18°C | 30°C | 6% | 0.9 | 10.7h | 8.6/10 |
| ☀️ March | 21°C | 34°C | 6% | 0.3 | 11.0h | 7.5/10 |
| 🥵 April | 24°C | 36°C | 22% | 1.9 | 11.1h | 6.9/10 |
| ⛅ May | 24°C | 33°C | 60% | 6.6 | 11.3h | 7.0/10 |
| 🌧️ June | 24°C | 31°C | 87% | 8.0 | 9.7h | 6.4/10 |
| 🌧️ July | 24°C | 30°C | 90% | 11.8 | 8.4h | 6.0/10 |
| 🌧️ August | 24°C | 30°C | 96% | 13.3 | 8.2h | 5.4/10 |
| 🌧️ September | 23°C | 30°C | 86% | 11.2 | 9.6h | 7.0/10 |
| 🌤️ October | 22°C | 30°C | 59% | 5.8 | 10.4h | 7.2/10 |
| 🌤️ November | 21°C | 29°C | 30% | 2.3 | 10.2h | 8.1/10 |
| ☀️ December | 18°C | 28°C | 10% | 0.8 | 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 July, Chiang Mai averages 30°C, 90% rainy days and 8.4h of sunshine per day. Overall weather score: 6.0/10.
See methodology →
Comparison
July vs December (best month)
The best month is December (score 9.0/10). Difference:
- 🌡️ Max temperature : -2°C
- 🌧 Rainy days : -80%
- ☀️ Sunshine : +1.7h/day
FAQ
FAQ — Chiang Mai in July
Is July a good time to visit Chiang Mai?
July is an acceptable time for Chiang Mai (score 6.0/10). Conditions are decent but not optimal — consider December (9.0/10) if possible.
Does it rain a lot in Chiang Mai in July?
Yes, 90% of days see rain in July. Plan some indoor activities as backup.
Accommodation
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