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Chiang Mai

Weather in Чиангмай by month: what to expect

Photo: Lerdsuwa, CC BY-SA 3.0

Weather overview

Чиангмай enjoys a tropical climate with distinct dry and rainy seasons. From November to February, the weather is cooler and dry, making it the most comfortable time to explore the city. March and April bring rising temperatures, often reaching 36–37 °C, while the air remains dry until the first rains arrive in May.

The rainy season in Чиангмай spans from May to October, with the heaviest downpours typically occurring in August and September. Despite frequent showers, the rain usually doesn’t last all day, leaving plenty of time to enjoy the city’s lush landscapes. By November, the weather in Чиангмай returns to its dry and mild state, ideal for outdoor activities.

Temperature

Temperatures in Чиангмай vary throughout the year, with the coolest months being December and January, when averages hover around 22–23 °C. Nighttime lows can drop to 17–18 °C, offering a refreshing break from the daytime warmth. By March, the heat intensifies, with daytime highs often exceeding 36 °C and little relief at night.

From May to October, temperatures in Чиангмай stabilize around 27–30 °C, though the humidity makes it feel warmer. The hottest period, April, can see peaks of 37.6 °C, so staying hydrated and seeking shade is essential. Even during the rainy season, the mercury rarely dips below 24 °C, ensuring warm conditions year-round.

Average air temperature °C
Average air temperature
Month Minimum Maximum
January 17.3 30.5
February 18.2 33.6
March 21.7 36.7
April 24.3 37.6
May 25.2 36.3
June 25.2 34.4
July 25 33.4
August 24.5 32.7
September 24.3 33.1
October 23.5 32.8
November 21.6 32.3
December 18.4 30.3

Precipitation

Чиангмай experiences minimal rainfall from November to April, with monthly totals often below 50 mm. The driest months, February and March, see just 9–13 mm of rain, making them perfect for exploring without weather disruptions. However, the pattern shifts dramatically in May, when rainfall jumps to 156 mm and continues to rise.

The wettest months in Чиангмай are August and September, with precipitation exceeding 240 mm and 340 mm, respectively. While rain is frequent, it typically arrives in short, intense bursts rather than all-day showers. By November, the rains taper off, and Чиангмай returns to its dry season, offering clear skies and comfortable conditions.

Precipitation amount mm
Precipitation amount
Month Precipitation
January 14.2
February 9
March 12.9
April 46.6
May 156.2
June 124.7
July 174.6
August 244.3
September 340
October 174.4
November 34.9
December 24.7

What to pack

For a trip to Чиангмай between November and February, pack lightweight clothing for daytime warmth, along with a light jacket or shawl for cooler evenings. A hat and sunscreen are essential year-round, but especially in March and April, when the sun is strongest. Comfortable walking shoes will help you explore the city’s temples and markets without discomfort.

During the rainy season, from May to October, waterproof footwear and a compact umbrella are must-haves for Чиангмай. Quick-dry clothing and a light rain jacket will keep you comfortable during sudden downpours. Even in the wetter months, temperatures remain warm, so breathable fabrics are ideal. Don’t forget insect repellent, as humidity can attract mosquitoes.

Average monthly wind m/s
Average monthly wind
Month Wind speed
January 1.2
February 1.3
March 1.5
April 1.8
May 1.9
June 1.8
July 1.7
August 1.6
September 1.5
October 1.5
November 1.2
December 1.1