Chiang Mai
Weather by month
Current – 10-day forecastForecast

Chiang Mai Weather in October

October in Chiang Mai brings very high temperatures, with daytime highs of 32°C (90°F) and nights around 22°C (72°F). Quite a bit of rainfall is expected, around 123 mm (4.8 in), so pack an umbrella.

Rainfall in Chiang Mai in October

Historically, approximately 12 days this month are expected to have rain, averaging 123 mm (4.8 in). When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Chiang Mai in October

October in Chiang Mai sees highs of 32°C (90°F) and lows of 22°C (72°F) overnight. Mornings and evenings are often more comfortable than the peak afternoon hours. At 22°C (72°F) overnight, nights are warm enough to sit outside comfortably in light clothing.

Sunshine in Chiang Mai in October

Expect sunny days throughout the month, with an estimated 202 hours of sunshine. This makes it a pleasant time to visit Chiang Mai.

Wind Speed in Chiang Mai in October

Wind speeds average 1 m/s (2 knots) during October. At this speed, you'll experience mostly light air movement that's just barely noticeable. As an average, some days will be completely calm while others have gentle breezes you can feel on your skin.

For Chiang Mai itself, January, November and December generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

Chiang Mai Temperature in October

Min Temperature
22°C (72°F)
Max Temperature
32°C (90°F)
Chance of Rain
40%
Precipitation
123 mm (4.8 in)
Rainy days
12 days
Humidity
79%
Windspeed
1 m/s (2 knots)
Sunshine
202 hours
Percentage Sunshine

Chiang Mai Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Chiang Mai - and find the best time to visit.

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Chiang Mai typically stay consistent throughout October, with daily highs averaging around 32°C (90°F). Nights are warm, with lows typically ranging from 22°C (72°F) to 24°C (75°F).

Average temperatures in October

Daily Historical Precipitation

50-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in October

Historical weather records for Chiang Mai in October

Browse day-by-day weather records for Chiang Mai spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Chiang Mai historical weather extremes in October

According to our 49 years of weather records for Chiang Mai, the following extremes were recorded between 1976 and 2025.

  • The warmest day in October was on October 13, 1979, with a maximum of 38°C (100°F).
  • Chiang Mai experienced its chilliest October day on October 16, 1992, reaching only 20°C (68°F).
  • The lowest overnight temperature recorded in October was 14°C (57°F) (October 26, 1994).

Best Places in Thailand in October

Find out more about the weather in Thailand and which places have the best travel conditions in this month. See all of Thailand in October →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Chiang Mai in October

Warm temperatures in October make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Chiang Mai in October

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    9/10
  • Cycling
    7/10
  • Walking
    7/10
  • Camping
    6/10
  • Outdoor sports
    7/10

Chiang Mai 3-Day Forecast

More climate data for Chiang Mai

Popular in October

Where to go in October - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.