Cozumel, Mexico - Detailed climate information and monthly weather forecast

Warmest month (with highest average high temperature) is August (33°C).
Months with lowest average high temperature are January and December (28.6°C).

Average low temperature in January:
19.4°C
Average low temperature in February:
19.4°C
Average low temperature in March:
20.7°C
Average low temperature in April:
21.8°C
Average low temperature in May:
22.9°C
Average low temperature in June:
23.8°C

Average low temperature in July:
23.5°C
Average low temperature in August:
23.5°C
Average low temperature in September:
23.6°C
Average low temperature in October:
23.1°C
Average low temperature in November:
21.7°C
Average low temperature in December:
20.3°C

Month with highest average low temperature is June (23.8°C).
Coldest months (with lowest average low temperature) are January and February (19.4°C).

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Month with highest relative humidity is September (87%).
Months with lowest relative humidity are March and April (79%).

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Wettest month (with highest rainfall) is October (242.5mm).
Driest month (with lowest rainfall) is March (32.2mm).

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Average rainfall days in January:
8.7 days
Average rainfall days in February:
6.5 days
Average rainfall days in March:
4 days
Average rainfall days in April:
3.7 days
Average rainfall days in May:
7.2 days
Average rainfall days in June:
12.6 days

Average rainfall days in July:
11.8 days
Average rainfall days in August:
13.4 days
Average rainfall days in September:
15.4 days
Average rainfall days in October:
15.7 days
Average rainfall days in November:
11.1 days
Average rainfall days in December:
9.8 days

Month with highest number of rainy days is October (15.7 days).
Month with lowest number of rainy days is April (3.7 days).

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Average sea temperature in January:
27°C
Average sea temperature in February:
26°C
Average sea temperature in March:
26°C
Average sea temperature in April:
27°C
Average sea temperature in May:
28°C
Average sea temperature in June:
28°C

Average sea temperature in July:
29°C
Average sea temperature in August:
29°C
Average sea temperature in September:
29°C
Average sea temperature in October:
29°C
Average sea temperature in November:
28°C
Average sea temperature in December:
27°C

Best months for swimming (with highest average sea temperature) are July, August, September and October (29°C).
Coldest months (with lowest average sea temperature) are February and March (26°C).

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Months with longest days are April, May, June, July and August (Average daylight: 13h).
Months with shortest days are January, February, November and December (Average daylight: 11h).