Monterrey weather in July

July in Monterrey: sweltering, a little rain, with clean air — a great time to visit.

#12 of 12 months in Monterrey · #338 of 604 destinations to visit in July · comfort 76/100 (tier B)

Updated June 2026 · climate normals from ERA5 reanalysis

Monterrey climate normals — July

Daytime high33°C / 92°F🔥 sweltering
Nighttime low23°C / 74°F
Feels like (high)36°C / 97°F
Rainfall65 mm / 2.6 in🌦 some rain
Rainy days4 days
Humidity51%🍃 comfortable
Dew point17°C / 63°F
Sunshine11.7 h/day
Daylight13.6 h
Wind15 km/h / 9 mph
Air quality (US AQI)48🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Where is Monterrey?

Loading map…

Monterrey in July — FAQ

Is July a good time to visit Monterrey?
July in Monterrey: sweltering, a little rain, with clean air — a great time to visit. It ranks #12 of 12 months for Monterrey on SeasonMap's comfort score (76/100).
What is the weather like in Monterrey in July?
In July, Monterrey averages a daily high of 33.1°C and a low of 23.2°C, with about 64.9 mm of rain over roughly 4 rainy days.
What is the air quality in Monterrey in July?
Monterrey has a mean US Air Quality Index of about 48 in July.

Other months in Monterrey

Warmer or cooler than Monterrey in July

Similar destinations in North AmericaJuly