Mexico in August: where is it warmest?
In August, Mexicali is the warmest place with 42 °C by day, Heroica Puebla de Zaragoza the coolest with 22 °C. 17 of 25 destinations have good holiday weather.
All destinations in August, warmest first
Long-term averages for the month: daytime high, sea, sunshine and rainy days.
| Place | Score | Air | Sea | Sun | Rain days |
|---|---|---|---|---|---|
| Mexicali | 50 | 42° | – | 10 h | 3 |
| La Paz, Mexico | 48 | 35° | 29° | 9 h | 5 |
| Mérida | 23 | 34° | – | 8 h | 18 |
| Chichen Itza | 15 | 34° | – | 7 h | 19 |
| Cabo San Lucas | 73 | 33° | 29° | 9 h | 15 |
| Monterrey | 61 | 33° | – | 8 h | 4 |
| Culiacán | 23 | 33° | – | 6 h | 19 |
| Mazatlán | 35 | 31° | 30° | 5 h | 22 |
| Cancún | 77 | 30° | 29° | 8 h | 21 |
| Isla Mujeres | 77 | 30° | 29° | 8 h | 21 |
| Playa del Carmen | 76 | 30° | 29° | 8 h | 21 |
| Tulum | 76 | 30° | 30° | 8 h | 19 |
| Puerto Vallarta | 66 | 30° | 30° | 5 h | 28 |
| Acapulco de Juárez | 46 | 30° | 31° | 8 h | 24 |
| Veracruz | 45 | 30° | 30° | 8 h | 23 |
| Zihuatanejo | 73 | 29° | 30° | 7 h | 21 |
| Guadalajara | 60 | 27° | – | 6 h | 25 |
| Tijuana | 100 | 25° | – | 11 h | 0 |
| Ensenada | 100 | 25° | 20° | 10 h | 0 |
| San Miguel de Allende | 71 | 25° | – | 7 h | 14 |
| Guanajuato | 67 | 25° | – | 7 h | 16 |
| Oaxaca de Juárez | 64 | 25° | – | 6 h | 16 |
| Mexico City | 63 | 22° | – | 6 h | 16 |
| Teotihuacan | 63 | 22° | – | 6 h | 16 |
| Heroica Puebla de Zaragoza | 62 | 22° | – | 7 h | 21 |
Mexico in August: quick answers
Mexico in August: where is it warmest?
The warmest places in August are Mexicali (42 °C), La Paz, Mexico (35 °C) and Mérida (34 °C).
Mexico in August: where is the sea warmest?
The sea is warmest at Acapulco de Juárez (31 °C), Mazatlán (30 °C) and Tulum (30 °C).
Mexico in August: where is the weather best?
The best holiday weather in August – warm, sunny and dry – is in Tijuana, Ensenada and Cancún.
Mexico month by month
Mexico: weather & best time to visit
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