Weather in Monterrey in July

July in Monterrey is warm outdoor weather. Days are long enough to be useful. Shade starts to matter at midday.

In Mexico, this is how Monterrey actually wears July, not how a country centroid would. Compared with June and January, July sits in the middle of Monterrey's year.

Monterrey
Average temp
30°C

23–36°C

Rainfall
98 mm

Showers likely

Sunshine
7.8 h

hours per day

What to expect

Daytime

Warm days in Monterrey in July. A hat starts to earn its keep at midday. Evenings are the comfortable part of the clock.

You can walk at more hours than in the fierce months. Still build in a pause when the sun is high. Nights are easy.

Rain

July is the wet side of the year in Monterrey. Days can be heavy. Plans that cannot survive rain are the wrong plans.

This is not a reason to skip Monterrey if you like the place. It is a reason to pack for weather and to stop treating every grey hour as a failed holiday.

Evening

Evenings stay warm.

What to pack

  • Sun protection

  • Rain jacket

  • A layer for cooler evenings

Where to stay in Monterrey

Dates are a starting point for July.

All hotels in Monterrey

Travel guides for Monterrey

What to read before you book.

All travel guides in Monterrey

Average weather in Monterrey

TemperatureRainfall

Source: MeteostatPeriod: 1991-2020Checked: 28 Aug 2026265 places covered

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FAQs about Monterrey

Climate averages for Monterrey, 1991–2020.

The best time to visit Monterrey is between February and May, the most comfortable stretch of the year on these averages.

August is the hottest month, with an average around 30°C.

September is the wettest month, with about 215 mm of rain.

No. These are 1991–2020 climate normals from Meteostat, not a live forecast. Actual weather in any given week can differ.