Chiang Mai in July

In July, Chiang Mai averages 32°C (90°F) during the day and 23°C (73°F) at night, with frequent rain — about 15 days of the month see precipitation (165 mm total).

High season

Conditions are warm and beach-friendly. Plan for unsettled weather and bring rain gear.

July is one of the wetter and less comfortable months in Chiang Mai. If your dates are flexible, consider a different time of year.

32°C
Avg high
23°C
Avg low
15
Rain days
165 mm
Rainfall

How July compares to the rest of the year in Chiang Mai

6th
warmest month of the 12
3rd
wettest month of the 12
13%
of yearly rainfall falls in July
13 h 10 min
daylight on the 15th

July is in the middle of the year for warmth in Chiang Mai (6th of 12) and one of the wettest months (3rd of 12). Daytime temperature matches the city's annual average. July runs 1°C cooler than June (33°C) and cools 1°C in August (31°C).

July sunrise & sunset in Chiang Mai

🌅
Sunrise (15th)
5:54 AM
🌇
Sunset (15th)
7:04 PM
Day length
13 h 10 min

Times shown for Chiang Mai local time (Asia/Bangkok), calculated for the 15th of July. They shift by a few minutes day to day across the month.

Photography light in Chiang Mai — July

Golden-hour and blue-hour windows for the 15th of July, in Chiang Mai's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).

🌅 Blue hour (AM)
4:54 AM – 5:34 AM
🌄 Golden hour (AM)
5:34 AM – 6:34 AM
🌇 Golden hour (PM)
6:24 PM – 7:24 PM
🌆 Blue hour (PM)
7:24 PM – 8:04 PM
Milky Way galactic core
Good
Galactic core is up but lower on the horizon; head well outside city limits for a clean view.

📅 When to book — Chiang Mai in July

Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on July's tier (High season) and Chiang Mai's popularity.

✈ Flights — lead time
2-3 months
Prices are above off-season but not the absolute peak. Tuesday/Wednesday departures are usually cheaper than weekend ones.
🏨 Lodging — lead time
2-3 months
Wide selection still available at this lead time. Premium properties book first; consider 'last-minute deal' availability at 2-week mark if your dates are flexible.

Crowds & pricing — July in Chiang Mai

High season

This is a busy month in Chiang Mai — not the absolute peak, but tourist numbers are clearly elevated. You'll feel it at headline attractions on weekends and in the historic centre, though side streets and lesser-known sights stay manageable. Prices are above off-season but not at their summit. A good week for first-time visitors who want everything open without the worst of the crush.

Why this tier: Northern Hemisphere summer holidays

Sun & mosquito risk — July in Chiang Mai

☀️ UV Index (noon, 15th)
13
Extreme
Stay indoors during midday hours; SPF 50+ even briefly outside, UPF clothing, wide-brim hat, sunglasses essential.
🦟 Mosquito risk
●●●●●
Severe
Severe mosquito season with active disease transmission risk. DEET 30%+, picaridin 20%, long sleeves day and night, treated nets, and check CDC/WHO travel advisories before going.

UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.

Chiang Mai in other months

MonthAvg highAvg lowRainfallRain daysSnow days
January 29°C / 84°F 14°C / 57°F 5 mm 1 0
February 32°C / 90°F 15°C / 59°F 10 mm 1 0
March 34°C / 93°F 18°C / 64°F 30 mm 3 0
April 36°C / 97°F 22°C / 72°F 55 mm 5 0
May 34°C / 93°F 23°C / 73°F 165 mm 12 0
June 33°C / 91°F 23°C / 73°F 150 mm 12 0
July 32°C / 90°F 23°C / 73°F 165 mm 15 0
August 31°C / 88°F 23°C / 73°F 205 mm 17 0
September 31°C / 88°F 23°C / 73°F 250 mm 18 0
October 31°C / 88°F 22°C / 72°F 140 mm 10 0
November 30°C / 86°F 19°C / 66°F 50 mm 5 0
December 28°C / 82°F 16°C / 61°F 15 mm 2 0

Other cities with similar July weather

🌍 See the full ranked list of climate twins for Chiang Mai in July →

Frequently asked questions

How hot is Chiang Mai in July?

In July, Chiang Mai averages a high of 32°C (90°F) and a low of 23°C (73°F) — generally hot.

Does it rain a lot in Chiang Mai in July?

July is quite rainy in Chiang Mai, with about 15 rainy days on average.

Is July a good time to visit Chiang Mai?

July is hot but on the rainy side. It suits travelers who are comfortable with hot weather; check the month-by-month ranking to compare it against the rest of the year.

What should I pack for Chiang Mai in July?

Pack lightweight, breathable clothing, sunglasses and sunscreen, plus a compact umbrella or rain jacket. See the full July packing list for Chiang Mai for a complete, climate-based checklist.

Open Chiang Mai on the interactive map

Check the live 10-day forecast and sunrise/sunset.