Chiang Mai Weather in July
July in Chiang Mai brings very high temperatures around 33°C (91°F) during the day, dropping to 25°C (77°F) at night, and as part of the rainy season, heavy rainfall is common.
Rainfall in Chiang Mai in July
Chiang Mai is in the rainy season in July, with rain on around 19 days and an average of 201 mm (7.9 in). With rain on many days and solid totals, showers are frequent and often moderately heavy. Waterproof gear is a sensible idea.
Temperature in Chiang Mai in July
Chiang Mai in July gets highs of 33°C (91°F) during the day and drops to 25°C (77°F) at night. If you're spending a lot of time outdoors, it helps to plan around the warmer part of the day. Nights are warm at 25°C (77°F). It's worth making sure your accommodation has decent ventilation or air conditioning.
Sunshine in Chiang Mai in July
The month brings about 121 hours of sunlight, offering a comfortable mix of sun and rainy moments.
Wind Speed in Chiang Mai in July
Average wind conditions reach 1 m/s (2 knots) in July. This creates generally peaceful weather with subtle air movement. Remember this is an average: some days are windless while others have noticeable or very gentle breezes.July in Chiang Mai can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Thailand, check out our Chiang Mai's climate page.
Chiang Mai Temperature in July
Min Temperature
25°C (77°F)
Max Temperature
33°C (91°F)
Chance of Rain
62%
Precipitation
201 mm (7.9 in)
Rainy days
19 days
Humidity
78%
Windspeed
1 m/s (2 knots)
Sunshine
121 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Chiang Mai typically stay consistent throughout July, with daily highs averaging around 33°C (91°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in July
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 July
Historical weather for Chiang Mai in July
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 July
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Chiang Mai.
- Chiang Mai recorded its highest July temperature of 39°C (102°F) on July 6, 2005.
- The lowest daytime temperature in July was 23°C (73°F), recorded on July 30, 1977.
- The coldest night in July in Chiang Mai was on July 9, 2021, with a minimum of 20°C (68°F).
Best Places in Thailand in July
Find out more about the weather in Thailand and which places have the best travel conditions in this month. See all of Thailand in July →
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What to Wear in Chiang Mai in July
Pack for serious heat in Chiang Mai in July. Prioritize clothing that breathes and doesn't cling or stick. Lightweight cotton, linen, and moisture-wicking fabrics are ideal. A wide hat provides welcome shade. It's going to pour! Pack a good poncho and prepare for very wet conditions. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Chiang Mai in July
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Thailand, check out our Chiang Mai's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Chiang Mai climate overview or explore weather in Thailand.
