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🇹🇭 Thailand · Chiang Mai

Chiang Mai Weather by Month

Chiang Mai is coolest and driest from November to February, very hot in March–April, and wetter from May to October. Haze and air quality can also matter in late winter and spring.

How to use this guide Choose a month to compare 10-year average high/low temperatures, rainfall, rainy days, and recent 3-year daily weather calendars.
Chiang Mai travel scenery
January–December weather
Each month has its own detailed weather page.
January weatherCool dry season

January is generally on the drier side, which can make outdoor plans easier. Still compare temperature and rainfall averages below.

February weatherDry season · Haze risk

February is generally dry, but haze or air-quality issues can affect outdoor comfort. Check local air-quality updates as well as weather.

March weatherHot dry season

March is generally on the drier side, which can make outdoor plans easier. Still compare temperature and rainfall averages below.

April weatherVery hot

April typically falls in a very hot pattern. Compare temperature, rainfall and recent-year weather below before choosing your dates.

May weatherWet season begins

May is a wetter period. Keep a rain-friendly backup plan and compare rainfall and rainy-day averages below.

June weatherWet season

June is a wetter period. Keep a rain-friendly backup plan and compare rainfall and rainy-day averages below.

July weatherWet season

July is a wetter period. Keep a rain-friendly backup plan and compare rainfall and rainy-day averages below.

August weatherPeak wet season

August is a wetter period. Keep a rain-friendly backup plan and compare rainfall and rainy-day averages below.

September weatherWet season

September is a wetter period. Keep a rain-friendly backup plan and compare rainfall and rainy-day averages below.

October weatherLate wet season

October is a wetter period. Keep a rain-friendly backup plan and compare rainfall and rainy-day averages below.

November weatherCool dry season

November is generally on the drier side, which can make outdoor plans easier. Still compare temperature and rainfall averages below.

December weatherCool dry season

December is generally on the drier side, which can make outdoor plans easier. Still compare temperature and rainfall averages below.