Monterrey weather in August
Temperature, rain and sunshine in August: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in August
Good
Best time to visit: October – April
What is the weather like in Monterrey in August?
In August, Monterrey is hot: daytime highs average 33 °C, and even at night it stays warm at around 23 °C. The sun shines for around 8 hours a day. Rain is rare: about 4 days bring 27 mm in total. On about 27 days the thermometer climbs to 30 °C or more. All in all, August is a good month for a holiday in Monterrey.
August compared
How the weather changes from July to September. Tap a month to open it.
| JulyJul | AugustAug | SeptemberSep | |
|---|---|---|---|
| Score | 60 | 61 | 65 |
| Day | 32° | 33° | 29° |
| Night | 23° | 23° | 21° |
| Sun | 8 h | 8 h | 6 h |
| Rain days | 5 | 4 | 10 |
More details for August
- Daylight
- 13 h 4 min06:14 – 19:18
- UV index
- 12 · extremeclear sky, noon (estimate)All months
- Muggy days
- 14 daysdew point 18 °C or moreAll months
- Wind
- 15 km/haverage daily peakAll months
- Cloud cover
- 38 %on averageAll months
- Hot days
- 27 days30 °C or moreAll months
- Time zone
- UTC−6America/Monterrey
How the score comes together
- Temperatureweight 50 %26 %
- Sunshineweight 20 %88 %
- Few rainy daysweight 30 %99 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in August
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Water bottle – drink plenty
Monterrey in August: quick answers
Is Monterrey hot in August?
Yes. In August, Monterrey is hot: daytime highs average 33 °C and nights stay around 23 °C. On about 27 days the thermometer climbs to 30 °C or more.
Does it rain much in Monterrey in August?
Rain is rare: about 4 days bring 27 mm in total.
Monterrey month by month
The whole year in MonterreyAll destinations: MexicoWhere to go in August
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences