Mexico
Mexico in August
Where it is warm, dry and good for swimming in Mexico in August — compared across the country’s main destinations.
Quick answers
- Where is it warmest in Mexico in August?
- Mexicali is the warmest of the 16 destinations compared, with highs of 42°C (107°F) in August; San Cristóbal de las Casas is the coolest at 23°C (74°F).
- Can you swim in the sea in Mexico in August?
- Yes, in places: the warmest water is at Campeche (30°C (86°F)), and 3 of the coastal destinations have a sea of 21 °C or more.
Warmest
42°
Mexicali
Coolest
23°
San Cristóbal de las Casas
Driest
2 mm
Tijuana
Warmest sea
30°
Campeche
August in Mexico ranges from 23°C (74°F) in San Cristóbal de las Casas to 42°C (107°F) in Mexicali — a spread of 19 degrees across the country. On average it is about as warm as July. Rain is frequent in most destinations. Best bets this month: Tijuana, Ensenada, and San Luis Potosí City.
Best places in Mexico in August
99 
Tijuana
Baja California · Mexico
28° / 18° 2 mm Aug
100
Ensenada
Baja California · Mexico
30° / 16° 2 mm Aug
90
San Luis Potosí City
San Luis Potosí City · Mexico
26° / 13° 57 mm Aug
97
Guerrero Negro
Baja California Sur · Mexico
31° / 19° 3 mm Aug
79
Guanajuato City
Guanajuato · Mexico
26° / 14° 142 mm Aug
80
San Miguel de Allende
Guanajuato · Mexico
25° / 13° 111 mm Aug
75
Cabo San Lucas
Baja California Sur · Mexico
34° / 24° 60 mm Aug
80
Zacatecas City
Zacatecas · Mexico
24° / 11° 90 mm Aug
Weather in August by city
| Place | Day | Night | Rain | Sea | Score |
|---|---|---|---|---|---|
| Tijuana | 28° | 18° | 2 mm | — | 99 |
| San Luis Potosí City | 26° | 13° | 57 mm | — | 90 |
| Guanajuato City | 26° | 14° | 142 mm | — | 79 |
| Cabo San Lucas | 34° | 24° | 60 mm | 28° | 75 |
| Puebla City | 26° | 10° | 141 mm | — | 70 |
| San Cristóbal de las Casas | 23° | 11° | 163 mm | — | 68 |
| Mexico City | 25° | 12° | 129 mm | — | 65 |
| Playa del Carmen | 33° | 23° | 141 mm | 29° | 63 |
| Cancún | 33° | 23° | 135 mm | — | 62 |
| Oaxaca City | 29° | 15° | 106 mm | — | 60 |
| Campeche | 34° | 22° | 201 mm | 30° | 56 |
| Guadalajara | 29° | 16° | 211 mm | — | 53 |
| Puerto Vallarta | 34° | 23° | 289 mm | — | 50 |
| Mexicali | 42° | 26° | 9 mm | — | 40 |
| Mérida | 34° | 21° | 149 mm | — | 38 |
| Monterrey | 35° | 22° | 96 mm | — | 38 |
Frequently asked questions
What is the weather like in Mexico in August?
Average daytime highs range from 23° in San Cristóbal de las Casas to 42° in Mexicali.
Can you swim in Mexico in August?
Yes — the sea is warmest around Campeche at about 30°.