25.08
tue
tue
Day
88°F
W 9 mph
Precip.
4%
4%
Night
82°F
W 8 mph
Precip.
9%
9%
26.08
wed
wed
Day
86°F
W 8 mph
Precip.
19%
19%
Night
82°F
W 7 mph
Precip.
9%
9%
27.08
thu
thu
Day
88°F
W 6 mph
Precip.
14%
14%
Night
81°F
NW 6 mph
Precip.
31%
31%
28.08
fri
fri
Day
88°F
NW 4 mph
Precip.
4%
4%
Night
82°F
W 6 mph
Precip.
7%
7%
29.08
sat
sat
Day
86°F
SW 6 mph
Precip.
63%
63%
Night
82°F
W 8 mph
Precip.
24%
24%
30.08
sun
sun
Day
88°F
W 6 mph
Precip.
58%
58%
Night
82°F
W 8 mph
Precip.
24%
24%
31.08
mon
mon
Day
88°F
W 5 mph
Precip.
13%
13%
Night
82°F
W 7 mph
Precip.
10%
10%
01.09
tue
tue
Day
88°F
W 6 mph
Precip.
19%
19%
Night
82°F
W 7 mph
Precip.
9%
9%
02.09
wed
wed
Day
86°F
N 3 mph
Precip.
4%
4%
Night
82°F
NW 5 mph
Precip.
8%
8%
03.09
thu
thu
Day
86°F
N 7 mph
Precip.
9%
9%
Night
84°F
NW 10 mph
Precip.
9%
9%
04.09
fri
fri
Day
86°F
NW 9 mph
Precip.
25%
25%
Night
84°F
NW 9 mph
Precip.
22%
22%
05.09
sat
sat
Day
88°F
NW 7 mph
Precip.
4%
4%
Night
82°F
W 8 mph
Precip.
10%
10%
06.09
sun
sun
Day
88°F
W 6 mph
Precip.
4%
4%
Night
82°F
W 8 mph
Precip.
10%
10%
07.09
mon
mon
Day
88°F
W 7 mph
Precip.
10%
10%
Night
82°F
W 9 mph
Precip.
17%
17%
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 85.3°F. The highest and lowest sea temperatures during the month were 86.0°F and 84.6°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 85.9°F. The highest and lowest sea temperatures during the month were 86.7°F and 84.9°F.
Air temperature in Cozumel, °F
Precipitation total in Cozumel, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Cozumel
Cozumel on a weather map
Places in Mexico:
Name
°F
24 Hours Forecast
Cozumel
Local time: 09:34
August 25, tuesday
1200
88°F
W
9 mph
9 mph
1500
88°F
W
8 mph
8 mph
1800
86°F
W
9 mph
9 mph
2100
82°F
W
9 mph
9 mph
August 26, wednesday
0000
82°F
W
8 mph
8 mph
0300
82°F
W
8 mph
8 mph
0600
82°F
W
8 mph
8 mph
0900
84°F
W
6 mph
6 mph
