Zihuatanejo Weather in August
August in Zihuatanejo brings very high temperatures, with highs of 30°C (86°F) and nights dropping to 25°C (77°F). The rainy season is in full swing this month, so frequent downpours are part of the picture.
Rainfall in Zihuatanejo in August
As part of the rainy season, Zihuatanejo sees around 11 days of rain in August, with an average of 229 mm (9 in). The rain this month falls heavily when it arrives. Late afternoons in particular can see strong showers, so waterproofs are worth keeping handy.
Temperature in Zihuatanejo in August
If you're visiting Zihuatanejo in August, expect highs of 30°C (86°F) and overnight lows around 25°C (77°F). Mornings and evenings are often more comfortable than the peak afternoon hours. At 25°C (77°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.
Average water temperature in August
The water is 29°C (84°F) — very warm by most standards. Comfortable to swim in, but not particularly refreshing if you're looking to cool off.August in Zihuatanejo can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Mexico, check out our Zihuatanejo's climate page.
Zihuatanejo Temperature in August
Min Temperature
25°C (77°F)
Max Temperature
30°C (86°F)
Water Temperature
29°C (84°F)
Chance of Rain
37%
Precipitation
229 mm (9 in)
Rainy days
11 days
Daily Historical Temperatures
48-year average (1976-2025)
Based on our historical records, temperatures in Zihuatanejo typically stay consistent throughout August, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in August
Historical weather for Zihuatanejo in August
Browse day-by-day weather records for Zihuatanejo spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Zihuatanejo historical weather extremes in August
Based on 27 years of weather observations in Zihuatanejo between 1998 and 2025, these are the recorded extremes.
- The hottest August day on record in Zihuatanejo reached 36°C (97°F) (August 8, 2013).
- Zihuatanejo experienced its chilliest August day on August 28, 2021, reaching only 25°C (77°F).
- Nighttime temperatures dropped to 22°C (72°F) on August 1, 2008, marking the coldest August night on record.
Best Places in Mexico in August
Find out more about the weather in Mexico and which places have the best travel conditions in this month. See all of Mexico in August →
perfect weather
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tolerable
unpleasant
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What to Wear in Zihuatanejo in August
Warm weather calls for comfortable, breathable clothing in August. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. The water temperature sits at about 29°C (84°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear.What To Do in Zihuatanejo in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Mexico, check out our Zihuatanejo's climate page.
Temperature Rainfall Water Temp
See the full Zihuatanejo climate overview or explore weather in Mexico.
