Monterrey Weather in August
August in Monterrey sees daytime temperatures around 33°C (91°F) and lows of 21°C (70°F) at night. Pack a rain jacket because some rainfall is likely.
Rainfall in Monterrey in August
Looking at the last 30 years, the data shows about 6 days with rain, averaging 52 mm (2 in) for the month. Rainfall tends to arrive in short, intense showers this month. Rain days are few, but the showers can be surprisingly heavy.
Temperature in Monterrey in August
In August, Monterrey gets very high temperatures, with highs of 33°C (91°F). Nights cool to around 21°C (70°F). It's usually most comfortable outside during the morning and later in the day. Nights are mild at around 21°C (70°F), which is comfortable for most people. Remember, these are typical temperatures, and there can be hotter days. Dress appropriately and stay hydrated to remain comfortable.
Sunshine in Monterrey in August
Expect a lot of sunshine this month, with about 243 hours of sun. These sunny conditions add to the overall experience.Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, February, March, April, October, November and December typically offer the best weather for Monterrey.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Mexico, check out our Monterrey's climate page.
Monterrey Temperature in August
Min Temperature
21°C (70°F)
Max Temperature
33°C (91°F)
Chance of Rain
19%
Precipitation
52 mm (2 in)
Rainy days
6 days
Humidity
64%
Sunshine
243 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Monterrey typically stay consistent throughout August, with daily highs averaging around 33°C (91°F). Nights are warm, with lows around 22°C (72°F).
Average temperatures in August
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather for Monterrey in August
Browse day-by-day weather records for Monterrey spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Monterrey historical weather extremes in August
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Monterrey.
- Monterrey recorded its highest August temperature of 42°C (108°F) on August 3, 1996.
- Monterrey experienced its chilliest August day on August 15, 2000, reaching only 24°C (75°F).
- Monterrey registered its coldest August night on August 26, 2023, with temperatures dropping to 14°C (57°F).
Best Places in Mexico in August
Find out more about the weather in Mexico and which places have the best travel conditions in this month. See all of Mexico in August →
perfect weather
pleasant
tolerable
unpleasant
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What to Wear in Monterrey in August
Warm but pleasant conditions in Monterrey in August. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Wet weather is likely, so pack waterproof gear for multiple rainy days. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Monterrey in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Mexico, check out our Monterrey's climate page.
Temperature Rainfall Sunshine Humidity
See the full Monterrey climate overview or explore weather in Mexico.
