30YearWeather
Chiang Mai in October
Chiang Mai weather in October - Thailand
🌧️Wet Season

Chiang Mai Weather in October

Plan your October trip to Chiang Mai, Thailand. Based on 30 years of NASA data, expect temperatures of 29°C (high) to 22°C (low), with 41% rain probability and 8 hours of daily sunshine. Pack rain gear for around 30 rainy days.

Avg High
29°C

Hottest around day 1

Avg Low
22°C

Coolest around day 31

Rainy Days
30days

41% avg rain chance

Sunshine
8hrs/day

Autumn season

Chiang Mai October Weather Calendar

Click any day to see detailed weather information

Currency

THB

฿ Thai baht

Language

Thai

Driving

Left side

Connect

Many guesthouses, hotels, cafes, bars, r...

Safety

Moderate Safety

GPI: 2.098

Travel Intelligence

Exclusive flight analytics & health data for Chiang Mai

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Airport-to-Airport Logistics

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Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Moderate
41/ 100
Traffic Index

Balanced traffic

Peak Daily Arrivals

0

slots per day

Peak

Jan

Low

Jun

Monthly Traffic Distribution

106
Jan
103
Feb
97
Mar
90
Apr
89
May
25
Jun
81
Jul
82
Aug
70
Sep
84
Oct
69
Nov
97
Dec
Traffic Level
Low Season

Key Connections

Bangkok Don Mueang (DMK)
Bangkok Suvarnabhumi (BKK)
Phuket (HKT)
Seoul Incheon (ICN)
Krabi (KBV)

Health & Safety Advisory

CDC travel health recommendations

11 Recommendations
COVID-19

All eligible travelers should be up to date with their COVID-19 vaccines. Please seeYour COVID-19 Vaccinationfor more information.

Chikungunya

There iselevated chikungunya riskin Thailand.Chikungunya vaccinationmay be considered for people traveling or moving to this location if they are planning to stay for an extended period of time (for example, 6 months or more).

Cholera

There is no longer active cholera transmission and vaccine is not recommended.

Hepatitis A

Recommended for unvaccinated travelers one year old or older going to Thailand.Infants 6 to 11 months old should also be vaccinated against Hepatitis A. The dose does not count toward the routine 2-dose series.Travelers allergic to a vaccine component should receive a single dose of immune globulin, which provides effective protection for up to 2 months depending on dosage given.Unvaccinated travelers who are over 40 years old, are immunocompromised, or have chronic medical conditions planning to depart to a risk area in less than 2 weeks should get the initial dose of vaccine and at the same appointment receive immune globulin.

Hepatitis B

Recommended for unvaccinated travelers younger than 60 years old traveling to Thailand. Unvaccinated travelers 60 years and older may get vaccinated before traveling to Thailand.

Japanese Encephalitis

Recommended for travelers whoAre moving to an area with Japanese encephalitis to liveSpend long periods of time, such as a month or more, in areas with Japanese encephalitisFrequently travel to areas with Japanese encephalitisConsider vaccination for travelersSpending less than a month in areas with Japanese encephalitis but will be doing activities that increase risk of infection, such as visiting rural areas, hiking or camping, or staying in places without air conditioning, screens, or bed netsGoing to areas with Japanese encephalitis who are uncertain of their activities or how long they will be thereNot recommended for travelers planning short-term travel to urban areas or travel to areas with no clear Japanese encephalitis season.

+5 more

Source: CDC Travelers' Health

View Complete Health Guide

Is October a Good Time to Visit Chiang Mai?

👌Good option with minor considerations
Short Answer

Chiang Mai during October means embracing the rain (41%, 3mm typical). Some activities may be affected, but the lush landscapes and fewer tourists can be rewarding.

Decision Factors

Oppressive heat and humidity

29.2°C with 84% humidity - challenging conditions

Vaccinations required

Yellow Fever

Feels significantly hotter than 29.2°C

Heat index: 36°C due to 84% humidity

Health precautions needed

Be aware of: Leptospirosis, Melioidosis, Dengue

Plenty of sunshine

9.4h of sunshine daily

Shoulder season - balanced conditions

79% of peak - good value with moderate crowds

Good For

  • 💼
    Business travelers

    Climate-controlled meetings unaffected by weather

Who Should Avoid

  • 👴
    Elderly travelers

    Heat index of 36°C poses health risks

  • 🌡️
    Heat-sensitive visitors

    36°C feels-like temperature creates discomfort

930 observations30-year historical data
Confidence: 95%

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Chiang Mai in October averages 29°C with 41% precipitation probability."

📊 Source: 30YearWeather.com🛰️ Data: NASA POWER (1991-2021)View Methodology →

Frequently Asked Questions: Chiang Mai in October

What are the temperatures in Chiang Mai in October?

Daytime highs average 29°C, nights drop to 22°C. Temperatures remain fairly consistent.

How many rainy days in Chiang Mai in October?

Expect around 30 days with measurable rainfall. An umbrella is advisable.

What to wear in Chiang Mai in October?

Light, breathable fabrics. Don't forget sunglasses and a hat.

Is October peak season in Chiang Mai?

This is shoulder season—moderate prices and manageable crowds.