★ January30° · ☂ 1 February 33° · ☂ 1 March 35° · ☂ 2 April 37° · ☂ 5 May 35° · ☂ 12 June 33° · ☂ 11 July 32° · ☂ 15 August 32° · ☂ 17 September 32° · ☂ 14 October 32° · ☂ 10 November 31° · ☂ 4 ★ December29° · ☂ 1 Chiang Mai in July:seriously hot, rain every other day Chiang Mai, Thailand · Records from 2006 to 2025. Not a forecast.
Mean high 32° Hottest day 39.9° (2019)
Mean low 24° Coldest night 22.1° (2019)
Rain days 15 days 9-21 by year
Rainfall 162mm Daylight 13.2 → 13.0 h
Chiang Mai's 12 months i Best: December and January
1 2 3 4 5 6 7 8 9 10 11 12
Trip types Sightseeing on foot Poorhot, frequent rain and muggy
Humidity 77% 31 muggy days
Clear days 0 days 27 overcast days
Mean wind 5 km/h Rarely windy
Sunrise / sunset (15th) 05:55 / 19:05 Daylight 13.2 → 13.0 h
Chiang Mai in July Mid rainy season, with many wet days. When rain runs long, mountain trekking can be slippery. Bring a rain jacket and insect repellent, and decide on hill plans by the day's weather.
July brought serious heat to Chiang Mai, 32°C on a typical afternoon and 24°C overnight. Early mornings were the best time to be outside. Rain fell on 15 days of the month on average. Averages hide a lot here: one year saw 9, another 21.
With 25 days above 30°C on average, most of the month felt like high summer. The warmest year was 2023, with highs averaging 34.6°C, 2.4°C above normal.
Typhoons i Typhoons: May
Date by date i Sun
Mon
Tue
Wed
Thu
Fri
Sat
Week
July 1 Thursday 1 rain in 10 of 20 yrs 10/20 32° 24° July 2 Friday 2 rain in 8 of 20 yrs 8/20 32° 24° July 3 Saturday 3 rain in 6 of 20 yrs 6/20 32° 24° 1-3 rain on 40% of days 32° 24°
July 4 Sunday 4 rain in 6 of 20 yrs 6/20 33° 24° July 5 Monday 5 rain in 6 of 20 yrs 6/20 32° 24° July 6 Tuesday 6 rain in 7 of 20 yrs 7/20 33° 24° July 7 Wednesday 7 rain in 11 of 20 yrs 11/20 33° 24° July 8 Thursday 8 rain in 9 of 20 yrs 9/20 33° 25° July 9 Friday 9 rain in 12 of 20 yrs 12/20 33° 24° July 10 Saturday 10 rain in 7 of 20 yrs 7/20 33° 24° 4-10 rain on 41% of days 33° 24°
July 11 Sunday 11 rain in 6 of 20 yrs 6/20 33° 24° July 12 Monday 12 rain in 4 of 20 yrs 4/20 33° 24° July 13 Tuesday 13 rain in 7 of 20 yrs 7/20 33° 25° July 14 Wednesday 14 rain in 8 of 20 yrs 8/20 33° 25° July 15 Thursday 15 rain in 9 of 20 yrs 9/20 33° 25° July 16 Friday 16 rain in 9 of 20 yrs 9/20 33° 25° July 17 Saturday 17 rain in 10 of 20 yrs 10/20 33° 25° 11-17 rain on 38% of days 33° 25°
July 18 Sunday 18 rain in 11 of 20 yrs 11/20 32° 24° July 19 Monday 19 rain in 13 of 20 yrs 13/20 32° 24° July 20 Tuesday 20 rain in 12 of 20 yrs 12/20 31° 24° July 21 Wednesday 21 rain in 10 of 20 yrs 10/20 31° 24° July 22 Thursday 22 rain in 14 of 20 yrs 14/20 32° 24° July 23 Friday 23 rain in 12 of 20 yrs 12/20 32° 24° July 24 Saturday 24 rain in 14 of 20 yrs 14/20 31° 24° 18-24 rain on 61% of days 32° 24°
July 25 Sunday 25 rain in 13 of 20 yrs 13/20 32° 24° July 26 Monday 26 rain in 13 of 20 yrs 13/20 32° 24° July 27 Tuesday 27 rain in 12 of 20 yrs 12/20 31° 24° July 28 Wednesday 28 rain in 13 of 20 yrs 13/20 31° 24° July 29 Thursday 29 rain in 10 of 20 yrs 10/20 31° 24° July 30 Friday 30 rain in 11 of 20 yrs 11/20 31° 24° July 31 Saturday 31 rain in 16 of 20 yrs 16/20 31° 24° 25-31 rain on 63% of days 31° 24°
1-3 rain on 40% of days 32° 24° 4-10 rain on 41% of days 33° 24° 11-17 rain on 38% of days 33° 25° 18-24 rain on 61% of days 32° 24° 25-31 rain on 63% of days 31° 24°
Sun
Mon
Tue
Wed
Thu
Fri
Sat
Week
July 1 Saturday 1 rain in 10 of 20 yrs 10/20 32° 24° July 1 rain on 50% of days 32° 24°
July 2 Sunday 2 rain in 8 of 20 yrs 8/20 32° 24° July 3 Monday 3 rain in 6 of 20 yrs 6/20 32° 24° July 4 Tuesday 4 rain in 6 of 20 yrs 6/20 33° 24° July 5 Wednesday 5 rain in 6 of 20 yrs 6/20 32° 24° July 6 Thursday 6 rain in 7 of 20 yrs 7/20 33° 24° July 7 Friday 7 rain in 11 of 20 yrs 11/20 33° 24° July 8 Saturday 8 rain in 9 of 20 yrs 9/20 33° 25° 2-8 rain on 38% of days 33° 24°
July 9 Sunday 9 rain in 12 of 20 yrs 12/20 33° 24° July 10 Monday 10 rain in 7 of 20 yrs 7/20 33° 24° July 11 Tuesday 11 rain in 6 of 20 yrs 6/20 33° 24° July 12 Wednesday 12 rain in 4 of 20 yrs 4/20 33° 24° July 13 Thursday 13 rain in 7 of 20 yrs 7/20 33° 25° July 14 Friday 14 rain in 8 of 20 yrs 8/20 33° 25° July 15 Saturday 15 rain in 9 of 20 yrs 9/20 33° 25° 9-15 rain on 38% of days 33° 25°
July 16 Sunday 16 rain in 9 of 20 yrs 9/20 33° 25° July 17 Monday 17 rain in 10 of 20 yrs 10/20 33° 25° July 18 Tuesday 18 rain in 11 of 20 yrs 11/20 32° 24° July 19 Wednesday 19 rain in 13 of 20 yrs 13/20 32° 24° July 20 Thursday 20 rain in 12 of 20 yrs 12/20 31° 24° July 21 Friday 21 rain in 10 of 20 yrs 10/20 31° 24° July 22 Saturday 22 rain in 14 of 20 yrs 14/20 32° 24° 16-22 rain on 56% of days 32° 24°
July 23 Sunday 23 rain in 12 of 20 yrs 12/20 32° 24° July 24 Monday 24 rain in 14 of 20 yrs 14/20 31° 24° July 25 Tuesday 25 rain in 13 of 20 yrs 13/20 32° 24° July 26 Wednesday 26 rain in 13 of 20 yrs 13/20 32° 24° July 27 Thursday 27 rain in 12 of 20 yrs 12/20 31° 24° July 28 Friday 28 rain in 13 of 20 yrs 13/20 31° 24° July 29 Saturday 29 rain in 10 of 20 yrs 10/20 31° 24° 23-29 rain on 62% of days 31° 24°
July 30 Sunday 30 rain in 11 of 20 yrs 11/20 31° 24° July 31 Monday 31 rain in 16 of 20 yrs 16/20 31° 24°
30-31 rain on 68% of days 31° 24°
July 1 rain on 50% of days 32° 24° 2-8 rain on 38% of days 33° 24° 9-15 rain on 38% of days 33° 25° 16-22 rain on 56% of days 32° 24° 23-29 rain on 62% of days 31° 24° 30-31 rain on 68% of days 31° 24°
Tap another date to change
2006 41mm
2007 4mm
2008 2mm
2009 5mm
2010 1mm
2011 29mm
2012 5mm
2013 2mm
2014 none
2015 none
2016 3mm
2017 none
2018 11mm
2019 7mm
2020 3mm
2021 3mm
2022 2mm
2023 5mm
2024 24mm
2025 none
Holidays in July (2027) July 17 to July 19 Asalha Bucha long weekendJuly 19 Substitute for Asalha Bucha Day (18 Jul)July 28 King Maha Vajiralongkorn's BirthdayJuly 3 to July 5 Independence Day weekend 1 Local public holiday or break (busier, pricier)1 US holidays (flights fill up)
Your trip dates, the past 20 years Trip dates July 1 (Thu) 2 (Fri) 3 (Sat) 4 (Sun) 5 (Mon) 6 (Tue) 7 (Wed) 8 (Thu) 9 (Fri) 10 (Sat) 11 (Sun) 12 (Mon) 13 (Tue) 14 (Wed) 15 (Thu) 16 (Fri) 17 (Sat) 18 (Sun) 19 (Mon) 20 (Tue) 21 (Wed) 22 (Thu) 23 (Fri) 24 (Sat) 25 (Sun) 26 (Mon) 27 (Tue) 28 (Wed) 29 (Thu) 30 (Fri) 31 (Sat) ~ July 1 (Thu) 2 (Fri) 3 (Sat) 4 (Sun) 5 (Mon) 6 (Tue) 7 (Wed) 8 (Thu) 9 (Fri) 10 (Sat) 11 (Sun) 12 (Mon) 13 (Tue) 14 (Wed) 15 (Thu) 16 (Fri) 17 (Sat) 18 (Sun) 19 (Mon) 20 (Tue) 21 (Wed) 22 (Thu) 23 (Fri) 24 (Sat) 25 (Sun) 26 (Mon) 27 (Tue) 28 (Wed) 29 (Thu) 30 (Fri) 31 (Sat) 1-7 8-14 15-21 22-end Whole month
You can also click two dates on the axis. Hover a cell to see that day's rain. By year Driest trips first
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Trip rain days Month rain days Tap a date to start, tap another to end. Each cell is that date in one year. '06 '07 '08 '09 '10 '11 '12 '13 '14 '15 '16 '17 '18 '19 '20 '21 '22 '23 '24 '25
of 20 Dates outside your trip are dimmed.
One row per year, one cell per day. 2023 had 9 rain days, 2013 had 21.
Chiang Mai through the year What to pack At 32°C by day and 24°C at night with humid air, sweat hardly dried. Quick-dry fabrics beat heavy cotton, and a spare top saved the evening.
Rainy days were mixed in often enough that shoes you cannot get wet are a bad bet.
Common questions Does it rain a lot in Chiang Mai in July? Over the past 20 years July averaged 15 rain days (1 mm or more) out of 31. Individual years ran from 9 in the driest to 21 in the wettest.
What should I wear in Chiang Mai in July? Days averaged 32°C and nights 24°C. Pack an umbrella, sandals that can get wet, T-shirts, sunscreen plus a hat, and insect repellent.
Is July a good time to visit Chiang Mai? On warmth and rain days alone, Chiang Mai's easiest months were December and January. July ranked 11 of 12.
Is Chiang Mai humid in July? Mean relative humidity was 77%, with about 31 muggy days (dew point of 20°C or more) in the month.
Previous month Chiang Mai in June Next month Chiang Mai in August Whole year Chiang Mai weather by month Where to go July By country Thailand: all cities this month Compare Compare with Bangkok