What is the weather like in Chiang Mai in August?

Expect temperatures between 23°C and 29°C with 74% average rain probability and about 8 hours of sunshine daily.

What is the weather like in Chiang Mai in August?

Chiang Mai in August scores 52/100 based on 30 years of climate data. Good option with minor considerations.

Who should visit Chiang Mai in August?

August in Chiang Mai is ideal for: Business travelers.

Chiang Mai Weather in August | 30-Year Forecast

Avg High

29°C

Hottest around day 28

Avg Low

23°C

Coolest around day 18

Rainy Days

31days

74% avg rain chance

Sunshine

8hrs/day

Summer season

Essential Travel Info for Chiang Mai

🗓️ Best Time to Visit 📖 Travel Guide 🍴 Food Guide

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

Smart Flight Estimator

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

slots per day

Peak

Jan

Low

Jun

Monthly Traffic Distribution

106

Jan

103

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

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There is no longer active cholera transmission and vaccine is not recommended.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 August a Good Time to Visit Chiang Mai?

👌Good option with minor considerations(52/100)

Short Answer

Monsoon conditions shape Chiang Mai's August: expect 74% daily rain chance. Mornings often clear before afternoon showers - early starts recommended.

Decision Factors

Oppressive heat and humidity

29.4°C with 86% humidity - challenging conditions

High rainfall period

74% rain probability, 6.9mm average

Vaccinations required

Yellow Fever

Feels significantly hotter than 29.4°C

Heat index: 37°C due to 86% humidity

Health precautions needed

Be aware of: Leptospirosis, Melioidosis, Dengue

Shoulder season - balanced conditions

77% 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 37°C poses health risks
🥾
Outdoor enthusiasts
74% rain probability disrupts outdoor activities
📸
Photographers
93% cloud cover limits natural light opportunities
💑
Honeymoon couples
Wedding score only 53/100 - better months available

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Chiang Mai in August averages 29°C with 74% precipitation probability."

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

Frequently Asked Questions: Chiang Mai in August

What are the temperatures in Chiang Mai in August?

Daytime highs average 29°C, nights drop to 23°C. Temperatures remain fairly consistent.

How many rainy days in Chiang Mai in August?

Expect around 31 days with measurable rainfall. Definitely pack rain gear.

What to wear in Chiang Mai in August?

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

Is August peak season in Chiang Mai?

This is off-peak season. Expect lower prices and fewer crowds.

Chiang Mai Weather in August

Chiang Mai August Weather Calendar