Chiang Mai weather in October
Monthly temperatures, rain, humidity, what to wear and what to pack — 2024–2025 historical average
Chiang Mai October weather at a glance
In October, Chiang Mai averages 26.1°C, with typical highs of 30.3°C and lows of 22.4°C. The historical average is 16 wet days and 82% humidity.
Chiang Mai October temperature & humidity
Chiang Mai October rain & wet days
Pack a light rain jacket, waterproof pouch and quick-dry shoes. Keep an indoor stop available between outdoor activities.
What to wear in Chiang Mai in October
Expect intense heat. Pack lightweight quick-dry clothing, sun protection and a refillable bottle. Rain is frequent at roughly 16 days in the month; pack a rain jacket and water-resistant shoes. High humidity makes quick-dry clothing and a spare top especially useful.
- DaytimeBreathable short sleeves, hat and sunscreen · average high 30.3°C
- Morning & eveningLight layer for air-conditioned rooms · average low 22.4°C
- FootwearComfortable walking shoes; quick-dry footwear for rainy days.
Packing essentials
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Chiang Mai October sunrise & sunset times
2026 October · Local time (Asia/Bangkok)
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| 2026-10-01 | 06:15 | 18:13 | 11h 58m |
| 2026-10-15 | 06:18 | 18:02 | 11h 44m |
| 2026-10-31 | 06:24 | 17:52 | 11h 28m |
For sunset photos, arrive before the listed sunset time. Clouds, mountains and buildings can change when the sun becomes visible or disappears.
Calculated for the city coordinates with daylight saving applied. SunCalc · tz-lookup
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Chiang Mai rainy season & dry season
Is October wet or dry?
Thailand’s southwest monsoon generally brings rain from mid-May to mid-October. The southern east coast also receives northeast-monsoon rain, so Koh Samui and Phuket do not share one wet/dry-season calendar. The 2024–2025 average for October is 16 wet days.
2024–2025 wet-day averages, not long-term season boundaries. Wet days do not mean all-day rain.
Packing for rainy and dry periods
For rainy periods, bring a light rain jacket, a waterproof pouch and quick-dry clothes. In drier months, pack sunscreen and a hat, plus a compact umbrella for showers. For beach trips, check the boat operator’s weather and cancellation notices.
Season guide: Thailand Government
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Best months to visit Chiang Mai
Bar height shows our simple weather-comfort score, not a safety rating; colour shows temperature.
October weather by year
Daily weather in 2025
Daily high and low temperatures; blue labels show precipitation
Frequently asked questions
What is Chiang Mai weather like in October?
In October, Chiang Mai averages 26.1°C, with typical highs of 30.3°C and lows of 22.4°C. The historical average is 16 wet days and 82% humidity. Our weather-comfort rating for this month is challenging.
Does it rain a lot in Chiang Mai in October?
There are about 16 wet days in October. Pack a rain jacket and water-resistant shoes.
What should I wear in Chiang Mai in October?
Expect intense heat. Pack lightweight quick-dry clothing, sun protection and a refillable bottle. Rain is frequent at roughly 16 days in the month; pack a rain jacket and water-resistant shoes. High humidity makes quick-dry clothing and a spare top especially useful.
What are the best months to visit Chiang Mai?
Recent weather data rates January, February, March, November among the more comfortable months.
Where can I check Chiang Mai weather in October in real time?
Check local webcams for the view right now and a local weather service for today’s forecast. Monthly temperatures here are historical averages.
Is October rainy or dry season in Chiang Mai?
Thailand’s southwest monsoon generally brings rain from mid-May to mid-October. The southern east coast also receives northeast-monsoon rain, so Koh Samui and Phuket do not share one wet/dry-season calendar. The 2024–2025 average for October is 16 wet days.
Which months have fewer rainy days in Chiang Mai?
In our 2024–2025 data, February, March, December have the fewest wet days. These are recent observations, not long-term climate normals. Compare temperatures and your planned activities as well.
What time are sunrise and sunset in Chiang Mai in October?
On 2026-10-15, calculated sunrise is 06:18 and sunset is 18:02 in local time (Asia/Bangkok). Times vary by date and terrain.
Chiang Mai weather by month
More Southeast Asia destinations in October
Open-Meteo (CC BY 4.0) · 2024–2025 historical data, aggregated and rounded by this site. Not a forecast or long-term climate normal. Calculation method and limitations