Click on a day for an hourly weather forecast
The weather in Monterrey in August is very hot. The average temperatures are between 24°C and 34°C, drinking water regularly is advisable.
You can expect about 3 to 8 days of rain in Monterrey during the month of August. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Monterrey in August 2025.
If you’re planning to visit Monterrey in the near future, we highly recommend that you review the 14 day weather forecast for Monterrey before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 16° / 8° | 2 | 29 | 0 | 28 mm | Good | Monterrey in January |
| February | 20° / 11° | 2 | 26 | 0 | 34 mm | Good | Monterrey in February |
| March | 24° / 15° | 5 | 26 | 0 | 77 mm | Perfect | Monterrey in March |
| April | 30° / 19° | 6 | 24 | 0 | 92 mm | Good | Monterrey in April |
| May | 33° / 22° | 11 | 20 | 0 | 221 mm | Ok | Monterrey in May |
| June | 33° / 23° | 8 | 22 | 0 | 183 mm | Ok | Monterrey in June |
| July | 33° / 23° | 7 | 24 | 0 | 194 mm | Ok | Monterrey in July |
| August | 34° / 24° | 7 | 24 | 0 | 148 mm | Bad | Monterrey in August |
| September | 30° / 22° | 10 | 20 | 0 | 251 mm | Ok | Monterrey in September |
| October | 25° / 17° | 4 | 27 | 0 | 87 mm | Perfect | Monterrey in October |
| November | 19° / 11° | 2 | 28 | 0 | 54 mm | Good | Monterrey in November |
| December | 17° / 9° | 1 | 30 | 0 | 35 mm | Good | Monterrey in December |