Chiang Rai, ThailandQuick decision
When to visit Chiang Rai?
🌞 Best time overall
February
🌡️ Optimal temperature
15°C–29°C in February
🌧 Least rain
10% rainy days in February
🌧 Wettest month
July (85%)
📅 Best score
8.8/10
By trip type
Best time by type of trip
White Temple (Wat Rong Khun)Nov–Feb — surreal contemporary temple, cool season.
Doi Mae Salong tea plantationsNov–Feb — Chinese-influenced tea hills, misty views.
Golden TriangleNov–Feb — Mekong confluence, Laos-Myanmar-Thailand, opium museum.
BudgetMay–Oct — rainy season but prices –30%, lush nature.
Monthly climate data
Chiang Rai weather month by month
| Month | Min °C | Max °C | Rainy days (%) | Precip. mm/d | 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
Source: Open-Meteo · 10 years
🌴 Tropical destination — heavy rain months benefit from an algorithmic adjustment: tropical showers are intense but brief and usually don't ruin a trip.
Seasonal breakdown
What to expect each season
🌸 Spring (Mar–May) — Good time
Average 33°C, 30% rainy days, 11.3h sunshine/day. Score: 7.4/10.
☀️ Summer (Jun–Aug) — Acceptable
Average 30°C, 86% rainy days, 8.9h sunshine/day. Score: 6.9/10.
🍂 Autumn (Sep–Nov) — Good time
Average 29°C, 56% rainy days, 10.4h sunshine/day. Score: 7.5/10.
❄️ Winter (Dec–Feb) — Excellent time
Average 27°C, 13% rainy days, 10.8h sunshine/day. Score: 8.7/10.
Accommodation
Find a place to stay in Chiang Rai
Check availability during the recommended period
Tip : April, May offer a good weather/price balance — decent score with fewer crowds.
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Activities and tours in Chiang Rai
Guided tours, skip-the-line tickets and local experiences.
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Flights
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Monthly weather
Detailed weather by month
FAQ
Frequently asked questions
February is ideal with 10% rainy days and 29°C.
July is the wettest month with 85% rainy days.
Yes, February is the best month with an average of 29°C.
In winter, the average score is 8.7/10. Acceptable conditions for cultural visits.
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