Cancún in August
August in Cancún brings highs around 94°F (34°C), lows near 76°F and about 10 rainy days. The sun sets around 7:18 pm. The sea is about 85°F (29°C). It's off season for sightseeing: hot and quieter.
Photo: Luka Peternel, CC BY-SA 4.0
What August is good for in Cancún
Each activity rated for August's weather and sea.
Great now SnorkelingGreat in August
Great now Scuba divingGreat in August
Cooking classesAny month
Boat toursFair in August
Catamaran toursFair in August
Sunset cruisesFair in August
Helicopter toursOff season in August
Zipline toursOff season in August
Day tripsOff season in August
ATV toursOff season in August
Food toursOff season in August
Private toursOff season in August
August next to July and September
| Month | July | August | September |
|---|---|---|---|
| High | 93°F (34°C) | 94°F (34°C) | 92°F (33°C) |
| Low | 76°F (25°C) | 76°F (25°C) | 75°F (24°C) |
| Rainy days | 10 | 10 | 14 |
| Sea | 84°F | 85°F | 85°F |
| Sunset | 7:32 pm | 7:18 pm | 6:51 pm |
| Daylight | 13 h 18 min | 12 h 52 min | 12 h 17 min |
Averages for Cancún, 1991–2020; sunrise and sunset on the 15th. Cancún water temperature by month.
Tours in Cancún
Guided tour to Chichén Itzá from CANCÚN.From $24View 
Waverunner in Cancun without TransportationFrom $80View 
Cancun speedboat and snorkel tour: shared speedboatFrom $56View
Tours from Viator. Good Outing may earn a commission when you book, at no cost to you.
Questions
Is August a good time to visit Cancún?
It's off season for sightseeing: hot and quieter. The most comfortable months overall are January, February, March and December.
How hot is Cancún in August?
Average highs are about 94°F (34°C) and lows about 76°F (25°C).
Does it rain much in Cancún in August?
August averages 10 rainy days, against 15 in the wettest month.
How warm is the sea in Cancún in August?
About 85°F (29°C). Warm enough for long swims and snorkeling.
