Thailand Chiang Mai Weather in March — Climate Guide
March in Chiang Mai is low
March is low for Chiang Mai.
WARNING — Burning season starts (PM2.5 hazardous). N95 mask essential. Many travelers avoid Mar-Apr. Indoor activities + cooking class + spa OK.
Travel score
Chiang Mai March Weather Stats
Avg High
34°C
Avg Low
20°C
Rainy Days
3
25mm total
Sunshine
9h
Daily avg
Humidity
60%
moderate
UV Index
10
Very high
Wind
7 km/h
Gusts 18
Sea Temp
0°C
no swimming
Crowds
Busy
At attractions
March Sunrise & Sunset
Air Quality
PM2.5
90 μg/m³
PM10
120 μg/m³
Status
unhealthy
Feels-Like Temperature & Wind
Feels like
Daytime
35°C
Nighttime
20°C
Humidity and wind affect how the actual temperature feels.
Wind
7 km/h
Max gust 18 km/h
Activities Recommended for March
March Travel Pros & Cons
Pros
- Hotels drop 30-40%
- Cooler crowds
- Cooking class + spa indoor
Cons
- Burning season AQI hazardous
- Smoky skies + 34°C heat
- Health risks (asthma/pregnancy avoid)
March Events & Festivals
- Burning season begins
Chiang Mai in March — Full Picture
WARNING — Burning season starts (PM2.5 hazardous). N95 mask essential. Many travelers avoid Mar-Apr. Indoor activities + cooking class + spa OK.
What to Wear & What to Pack
Hot + smoky. T-shirt + N95 mask outdoors.
Packing Checklist
Seasonal Weather Overview
Spring (Mar·Apr·May)
Current34.7°C
22°C
6.3/mo
Summer (Jun·Jul·Aug)
32°C
23°C
14.3/mo
Autumn (Sep·Oct·Nov)
30.3°C
21°C
11.3/mo
Winter (Dec·Jan·Feb)
29°C
15.7°C
2/mo
Chiang Mai Monthly Weather Comparison
| Month | High | Low | Rain | Sun | Humid | UV | Crowd | Price |
|---|---|---|---|---|---|---|---|---|
| January (Best) | 28° | 15° | 2d·10mm | 8h | 65% | 7 | Very busy | Peak |
| February (Best) | 31° | 17° | 2d·10mm | 9h | 60% | 8 | Very busy | Peak |
| 34° | 20° | 3d·25mm | 9h | 60% | 10 | Busy | Shoulder | |
| 36° | 23° | 5d·50mm | 8h | 65% | 11 | Busy | Peak | |
| 34° | 23° | 11d·150mm | 7h | 75% | 11 | Quiet | Low season | |
| 32° | 23° | 13d·130mm | 6h | 80% | 10 | Quiet | Low season | |
| 32° | 23° | 14d·150mm | 6h | 80% | 10 | Moderate | Shoulder | |
| 32° | 23° | 16d·175mm | 6h | 82% | 9 | Moderate | Shoulder | |
| 32° | 23° | 17d·200mm | 6h | 82% | 8 | Quiet | Low season | |
| 30° | 22° | 12d·130mm | 7h | 80% | 8 | Moderate | Shoulder | |
| November (Best) | 29° | 18° | 5d·50mm | 8h | 70% | 7 | Very busy | Peak |
| December (Best) | 28° | 15° | 2d·15mm | 8h | 65% | 7 | Very busy | Peak |
View Other Months
Chiang Mai March Hotel Picks
Frequently Asked Questions
Is March a good time to visit Chiang Mai?
Chiang Mai in March is low. Tourist crowds are busy and flight/hotel prices are shoulder.
What's the average temperature in Chiang Mai in March?
Chiang Mai March averages a high of 34°C and a low of 20°C.
Does it rain much in Chiang Mai in March?
Chiang Mai March averages 25mm of rainfall over about 3 rainy days.
What should I wear in Chiang Mai in March?
Hot + smoky. T-shirt + N95 mask outdoors.
What time are sunrise and sunset in Chiang Mai in March?
Chiang Mai March sunrise is 06:15 and sunset is 18:20, with 12h 5min of daylight.
What's the air quality like in Chiang Mai in March?
Chiang Mai March air quality (AQI) averages 180, rated Very poor. PM2.5 averages 90μg/m³.
What activities are recommended in Chiang Mai in March?
In March, Chiang Mai is great for Indoor: cooking class, spa, Old Medicine Hospital, Doi Inthanon (less smoky highlands).
Is March peak season in Chiang Mai?
Chiang Mai March crowds are busy and prices are shoulder. Advance reservations are strongly recommended.
Best Months to Visit Chiang Mai
View Other Months
Why you can trust weather guide
Based in Chiang Mai for 8+ years, with 30+ countries visited across Southeast Asia, Japan, and Europe. Every detail in this guide is primary-source verified as of April 2026, with prices auto-refreshed via live exchange rate APIs. This isn't AI-generated boilerplate — it's written from the perspective of someone who has actually been there.