Monterrey weather in July
Monterrey in July averages 30°C (85°F), 98 mm of rain and 7.8 hours of sun a day.
Of the twelve months in Monterrey, July is the third warmest, the second wettest and the second sunniest.

- Average temp
- 30°C (85°F)
23–36°C · 74–96°F
- Rainfall
- 98 mm
Showers likely
- Sunshine
- 7.8 h
hours per day
What is Monterrey like in July?
Daytime
Days are hot, often above 32°C.
Rain
Some rain is likely; pack for showers.
Evening
Evenings stay warm.
What should I pack for Monterrey in July?
High-factor sun cream
With daytime highs around 36°C, burn time is short even in shade.
Sunglasses and a brimmed hat
Midday glare is the part people underpack for, not the heat itself.
Loose cotton or linen
Synthetics stop working once you are sweating through them all day.
A refillable water bottle
Daily highs this warm need roughly double the water a temperate day does.
A light rain jacket
About 98 mm falls this month — showers rather than washouts.
A layer for the evening
The day swings about 12°C between its low and its high.
July compared with June and August
July in Monterrey is about the same temperature as June and 43 mm wetter than it, which averages 30°C (85°F).
July in Monterrey is 0.5°C cooler than August and 17 mm wetter than it, which averages 30°C (86°F).
Daylight in Monterrey in July
On 15 July the sun is up for 13 hours 35 minutes in Monterrey, rising about 05:59 and setting about 19:34 local time.
July ends 23 minutes shorter than it begins, so the last week of the month is a different length of day from the first.
Where to stay in Monterrey
Dates are a starting point for July.

Travel guides for Monterrey
What to read before you book.
Monterrey weather by month
TemperatureRainfall
How July compares with the rest of the year
July is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | 16°C / 61°F | 18 mm |
| February | 18°C / 65°F | 16 mm |
| March | 22°C / 71°F | 23 mm |
| April | 25°C / 77°F | 32 mm |
| May | 28°C / 82°F | 46 mm |
| June | 30°C / 85°F | 55 mm |
| July | 30°C / 85°F | 98 mm |
| August | 30°C / 86°F | 81 mm |
| September | 27°C / 81°F | 215 mm |
| October | 24°C / 75°F | 61 mm |
| November | 19°C / 67°F | 28 mm |
| December | 16°C / 61°F | 24 mm |
Check another month
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FAQs about Monterrey in July
July climate averages for Monterrey, 1991–2020.
Monterrey averages 30°C (85°F) in July, ranging from about 23°C (74°F) at night to 36°C (96°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Some. About 98 mm falls across July, enough to need a light jacket but not enough to reshape a trip.
No. July averages 30°C (85°F) against 30°C (86°F) in August — 0.5°C cooler.
July is about as warm as June, and 43 mm wetter.
It is outside the easiest window. The most comfortable stretch here is February to May; July sits outside it, which usually means more heat, more rain, or both — worth it if you would rather have the place to yourself.
About 7.8 hours of sun a day on the 1991–2020 average.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what July is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 13 hours 35 minutes of daylight in mid-July, against 13 hours 44 minutes in June and 10 hours 33 minutes in December.
On 15 July, sunrise is about 05:59 and sunset about 19:34 local time. Both shift across the month — the month ends 23 minutes shorter than it starts.

