Click on a day for an hourly weather forecast
The weather in Cozumel in August is hot. The average temperatures are between 22°C and 34°C.
You can expect about 3 to 8 days of rain in Cozumel during the month of August. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Cozumel in August 2025.
If you’re planning to visit Cozumel in the near future, we highly recommend that you review the 14 day weather forecast for Cozumel before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 24° / 14° | 3 | 28 | 0 | 43 mm | Perfect | Cozumel in January |
| February | 26° / 15° | 3 | 25 | 0 | 41 mm | Perfect | Cozumel in February |
| March | 30° / 17° | 3 | 29 | 0 | 38 mm | Good | Cozumel in March |
| April | 34° / 20° | 2 | 28 | 0 | 38 mm | Ok | Cozumel in April |
| May | 36° / 22° | 3 | 28 | 0 | 78 mm | Ok | Cozumel in May |
| June | 35° / 23° | 7 | 23 | 0 | 179 mm | Bad | Cozumel in June |
| July | 33° / 22° | 8 | 23 | 0 | 171 mm | Ok | Cozumel in July |
| August | 34° / 22° | 6 | 25 | 0 | 160 mm | Ok | Cozumel in August |
| September | 32° / 22° | 10 | 20 | 0 | 240 mm | Ok | Cozumel in September |
| October | 30° / 19° | 5 | 26 | 0 | 160 mm | Good | Cozumel in October |
| November | 26° / 16° | 3 | 27 | 0 | 63 mm | Perfect | Cozumel in November |
| December | 25° / 15° | 2 | 29 | 0 | 30 mm | Perfect | Cozumel in December |