Chiang Mai weather in July
Temperature, sea and sunshine in July: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in July
Poor
Best time to visit: November – January
What is the weather like in Chiang Mai in July?
In July, Chiang Mai is hot: daytime highs average 30 °C, and even at night it stays warm at around 24 °C. Expect around 4 hours of sunshine a day. It is the rainy season: rain falls on about 22 days, totalling 176 mm. On about 17 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, July is not an ideal month for a holiday in Chiang Mai.
July compared
How the weather changes from June to August. Tap a month to open it.
More details for July
- Daylight
- 13 h 10 min05:55 – 19:05
- UV index
- 13 · extremeclear sky, noon (estimate)
- Muggy days
- 31 daysdew point 18 °C or more
- Wind
- 8 km/haverage daily peak
- Cloud cover
- 92 %on average
- Hot days
- 17 days30 °C or more
- Time zone
- UTC+7Asia/Bangkok
How the score comes together
- Temperatureweight 50 %60 %
- Sunshineweight 20 %20 %
- Few rainy daysweight 30 %0 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in July
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Water bottle – drink plenty
- Insect repellent
- Rain jacket or umbrella
Chiang Mai in July: quick answers
Is Chiang Mai hot in July?
Yes. In July, Chiang Mai is hot: daytime highs average 30 °C and nights stay around 24 °C. On about 17 days the thermometer climbs to 30 °C or more.
Does it rain much in Chiang Mai in July?
It rains often – on about 22 days, adding up to 176 mm.
Chiang Mai month by month
The whole year in Chiang MaiAll destinations: Thailand
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)