Mexico Weather in August

Mexico Season in August: Summer

Tulum in August

Mexico weather in August is mainly rainy and hot. The monthly average temperature ranges from 20-31℃ (68-87.8℉). The whole country is experiencing its rainy season, leading to a high rainfall of 149 mm on average, but it differs because it is also influenced by the diverse topography. The northwest is much drier than the rest of the country. The hurricanes in August become active, so if you plan to travel to coastal regions along the Mexico Gulf and the Pacific Ocean, it is better to check the weather forecast to avoid the hurricane days.

 The hottest cities in Mexico in August: 

Mexicali: 26-41℃ (78.8-105.8℉); Hermosillo: 25-38℃ (77-100.4℉); Reynosa: 23-37℃ (73.4-98.6℉).

 The coolest cities in Mexico in August:

Toluca: 8-21℃ (46.4-69.8℉); Puebla: 11-25℃ (51.8-77℉); San Luis Potosi: 12-27℃ (53.6-80.6℉).

Regional Weather in Mexico in August

Northwestern Mexico Weather in August

The weather in most parts of northwestern Mexico is hot, with a continuous high temperature. For instance, Mexicali has a monthly temperature as high as 41℃ (105.8℉) on average. Northwestern Mexico is experiencing its rainy season in August, with the rainfall ranging from 0-100 mm averagely, not too much but accounting for the majority of the annual rainfall in the region.

 August Weather of Major Northwestern Mexico Cities

Temp.	Rainfall  (mm)	Rainy Days	Humi- dity (%)	Sunrise / Sunset
Hermosillo
25 - 38℃ (77 - 100.4℉)	98	8	50	05:45:29 / 19:14:38
Juarez
20 - 34℃ (68 - 93.2℉)	47	7	79	06:52:13 / 07:45:49
Tijuana
18 - 28℃ (64.4 - 82.4℉)	0	0	63	06:03:23 / 07:44:49

Central Mexico Weather in August

The temperature in central Mexico in August is moderate as in other months, with a monthly maximum temperature of 30℃ (86℉) on average. During the rainy season, the rainfall is high, particularly in eastern and western coastal cities, which is also because of the hurricanes in the Mexico Gulf and Pacific, usually 100mm higher than that in the central inland cities. It is more recommended to visit central cities in the region, rather than coastal cities.

 August Weather of Major Central Mexico Cities

Temp.	Rainfall  (mm)	Rainy Days	Humi- dity (%)	Sunrise / Sunset
Mexico City
12 - 23℃ (53.6 - 73.4℉)	169	23	77	07:13:21 / 20:12:12
Puebla
11 - 25℃ (51.8 - 77℉)	156	17	78	07:10:13 / 20:07:56
Guadalajara
17 - 27℃ (62.6 - 80.6℉)	220	19	81	07:28:25 / 20:30:52

Southeastern Mexico Weather in August

The weather stays hot and wet in southeastern Mexico at the end of summer, with an average temperature of 35℃ (95℉), rainfall of 100-150 mm and more than 10 rainy days. From August, hurricanes along the Mexico Gulf become more active. In addition to hurricanes, the weather condition is basically suitable for traveling, with nice water temperature good for water activities.

 August Weather of Major Southeastern Mexico Cities

Temp.	Rainfall  (mm)	Rainy Days	Humi- dity (%)	Sunrise / Sunset
Cancun
25 - 34℃ (77 - 93.2℉)	110	10	76	06:21:40 / 19:25:39
Mérida
21 - 35℃ (69.8 - 95℉)	139	13	74	06:33:04 / 19:36:27
Cozumel
24 - 33℃ (75.2 - 91.4℉)	142	13	84	06:23:00 / 19:25:01

What to Pack to Visit Mexico in August 2025

1. Prepare summer clothes for the hot weather, like T-shirts and light trousers.

2. In central Mexico, thin jackets for the cool nights are necessary.

3. Prepare raingears because of the frequent rain in most parts of the country.

4. Insect repellents are essential because of the hot and humid weather.

Precaution on Meteorological Disaster

There is a long coastline in Mexico, which makes it very easily influenced by some meteorological disasters, such as hurricanes and floods. In August, hurricanes become more active. It is better to avoid going to coastal cities along the Mexico Gulf and the Pacific Ocean, or to arrange your trip based on a real-time weather forecast.

Where to Go in Mexico in August

Recommendation Rate: 

Although August is not much of the best time to travel to Mexico due to high rainfall, you can still find interesting places to explore. For example, Baja California and Chiapas are destinations that are influenced little by hurricanes or floods.

1. Baja California

Baja California is a peninsula located in northwestern Mexico, and has many sunny days all year round. A little rain in August makes it an ideal vacation destination. 

Los Cabos

Los Cabos is in the south of Baja California, renowned for its special scenery combined of desert, beaches and natural outcrops. Looking across the mountain at the beach must be a novel experience. 

Cabo San Lucas

Cabo San Lucas is considered as the landmark of Los Cabos, known as the Gate of the Pacific. It is actually a huge cliff standing at the junction of the Pacific and the Sea of Cortez looking like a gate because of the long-term erosion and weathering by wind and waves.

2. Chiapas

Chiapas is located in the southeastern plain of Mexico, far from the sea and the rainfall there is moderate.

San Cristobal de las Casas

San Cristobal de las Casas in August

It is a quiet city with relatively fewer tourists and suitable for a walking visit. Some Mayans live there and keep ancient Mayan traditions. There are renovated colonial buildings with modern elements, handcrafts markets and old cathedrals, so the cityscapes are diverse.

Cañón Del Sumidero

It is a deep and narrow canyon that longs 2 kilometers (1.2 miles). The height of the cliffs on both sides of the valley ranges from 200-700 meters (660-2300 feet), and the peak can reach 1,000 meters (3281 feet). The water in the valley is very clean, but there isn’t any kayak or boat for sightseeing because there are crocodiles and pythons. Surrounding the canyon is the Sumidero Canyon National Park that covers an area of 21,789 hectares (3590 acres).

Mexico Weather by Month