Thailand Chiang Mai Weather in October — Climate Guide
October in Chiang Mai is high
October is high for Chiang Mai.
Rainy season ending. Cooler 30°C + countryside lush. Pre-peak shoulder.
Travel score
Chiang Mai October Weather Stats
Avg High
30°C
Avg Low
22°C
Rainy Days
12
130mm total
Sunshine
7h
Daily avg
Humidity
80%
high
UV Index
8
Very high
Wind
6 km/h
Gusts 18
Sea Temp
0°C
no swimming
Crowds
Moderate
At attractions
October Sunrise & Sunset
Air Quality
PM2.5
22 μg/m³
PM10
38 μg/m³
Status
moderate
Feels-Like Temperature & Wind
Feels like
Daytime
32°C
Nighttime
23°C
Humidity and wind affect how the actual temperature feels.
Wind
6 km/h
Max gust 18 km/h
Activities Recommended for October
October Travel Pros & Cons
Pros
- 30°C pleasant
- Tapering rains
- Lush green
- Pre-peak prices
Cons
- 130mm rain still
- Variable weather
October Events & Festivals
- Rainy season ending
- Yi Peng prep begins
Chiang Mai in October — Full Picture
Rainy season ending. Cooler 30°C + countryside lush. Pre-peak shoulder.
What to Wear & What to Pack
Tapering rains + cooler. T-shirt + light raincoat.
Packing Checklist
Seasonal Weather Overview
Spring (Mar·Apr·May)
34.7°C
22°C
6.3/mo
Summer (Jun·Jul·Aug)
32°C
23°C
14.3/mo
Autumn (Sep·Oct·Nov)
Current30.3°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 October Hotel Picks
Frequently Asked Questions
Is October a good time to visit Chiang Mai?
Chiang Mai in October is high. Tourist crowds are moderate and flight/hotel prices are shoulder.
What's the average temperature in Chiang Mai in October?
Chiang Mai October averages a high of 30°C and a low of 22°C.
Does it rain much in Chiang Mai in October?
Chiang Mai October averages 130mm of rainfall over about 12 rainy days.
What should I wear in Chiang Mai in October?
Tapering rains + cooler. T-shirt + light raincoat.
What time are sunrise and sunset in Chiang Mai in October?
Chiang Mai October sunrise is 06:05 and sunset is 17:45, with 11h 40min of daylight.
What's the air quality like in Chiang Mai in October?
Chiang Mai October air quality (AQI) averages 55, rated Moderate. PM2.5 averages 22μg/m³.
What activities are recommended in Chiang Mai in October?
In October, Chiang Mai is great for Old City, Elephant Park lush, Doi Inthanon.
Is October peak season in Chiang Mai?
Chiang Mai October crowds are moderate and prices are shoulder. You can travel relatively comfortably without long queues.
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.