Chiang Rai · SpringMonth summary
Chiang Rai weather in May
✅ Good
🌡️ Temperature min / max
23°C – 32°C
🌧 Rainy days
56% of days
☀️ Sunshine
11.8h per day on average
🌊 🌊 Season
Spring
⭐ ⭐ Weather score
7.2/10
📅 📅 Best month
February (8.8/10)
Quick decision
Should you visit Chiang Rai in May?
✅ Good
✅ 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: Favourable conditions in May (7.2/10). February scores higher but the gap is small.
By trip type
Chiang Rai in May by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ⚠️ Possible
- 🏖️ Beach / swimming : ⚠️ Possible
- 💰 💰 Budget : ✅ Low season
Local context
What to expect in May
🎯 Cultural sites less crowded than peak season — more enjoyable visits Spring marks the start of the good season in Chiang Rai. Temperatures rise (32°C) and tourists have not yet arrived en masse. With 56% of rainy days, always have indoor alternatives planned. Not the best window, but acceptable if dates are constrained. February (8.8/10) is significantly better if possible.
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All months for Chiang Rai
Annual table
Month-by-month comparison
| Month | Min °C | Max °C | Rain % | Precip mm | Sun h/d | Score |
|---|---|---|---|---|---|---|
| ☀️ January | 15°C | 26°C | 15% | 1.2 | 10.9h | 8.6/10 |
| ☀️ February | 15°C | 29°C | 10% | 0.8 | 11.0h | 8.8/10 |
| ☀️ March | 18°C | 33°C | 9% | 0.5 | 11.0h | 7.8/10 |
| 🌤️ April | 21°C | 34°C | 26% | 2.2 | 11.2h | 7.2/10 |
| 🌤️ May | 23°C | 32°C | 56% | 6.1 | 11.8h | 7.2/10 |
| 🌧️ June | 23°C | 30°C | 84% | 8.4 | 9.6h | 7.0/10 |
| 🌧️ July | 23°C | 30°C | 85% | 9.8 | 8.7h | 6.8/10 |
| 🌧️ August | 23°C | 29°C | 88% | 11.4 | 8.3h | 6.9/10 |
| ⛅ September | 22°C | 29°C | 76% | 9.6 | 10.1h | 7.1/10 |
| ⛅ October | 22°C | 29°C | 60% | 5.7 | 10.8h | 7.3/10 |
| 🌤️ November | 20°C | 28°C | 32% | 2.7 | 10.4h | 8.2/10 |
| ☀️ December | 16°C | 26°C | 15% | 1.0 | 10.6h | 8.6/10 |
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 May, Chiang Rai averages 32°C, 56% rainy days and 11.8h of sunshine per day. Overall weather score: 7.2/10.
See methodology →
Comparison
May vs February (best month)
The best month is February (score 8.8/10). Difference:
- 🌡️ Max temperature : -3°C
- 🌧 Rainy days : -46%
- ☀️ Sunshine : -0.8h/day
FAQ
FAQ — Chiang Rai in May
Is May a good time to visit Chiang Rai?
May is an acceptable time for Chiang Rai (score 7.2/10). Conditions are decent but not optimal — consider February (8.8/10) if possible.
Does it rain a lot in Chiang Rai in May?
Yes, 56% of days see rain in May. Plan some indoor activities as backup.
Accommodation
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Activities & tours
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