Monterrey weather in August
August in Monterrey: sweltering, dry — a great time to visit.
#10 of 12 months in Monterrey · #339 of 604 destinations to visit in August · comfort 77/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Monterrey climate normals — August
| Daytime high | 34°C / 93°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 24°C / 74°F | |
| Feels like (high) | 36°C / 97°F | |
| Rainfall | 10 mm / 0.4 in | ☀️ dry |
| Rainy days | 3 days | |
| Humidity | 53% | 🍃 comfortable |
| Dew point | 18°C / 64°F | |
| Sunshine | 11.9 h/day | |
| Daylight | 13 h | |
| Wind | 15 km/h / 9 mph | |
| Air quality (US AQI) | 52 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Monterrey?
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Monterrey in August — FAQ
- Is August a good time to visit Monterrey?
- August in Monterrey: sweltering, dry — a great time to visit. It ranks #10 of 12 months for Monterrey on SeasonMap's comfort score (77/100).
- What is the weather like in Monterrey in August?
- In August, Monterrey averages a daily high of 33.9°C and a low of 23.6°C, with about 10.2 mm of rain over roughly 3.4 rainy days.
- What is the air quality in Monterrey in August?
- Monterrey has a mean US Air Quality Index of about 52 in August.