Monthly weather forecast and climate
Cozumel, Mexico

A small blue boat, palm trees, and clear blue waters on Chen Rio white sandy beach in Cozumel, Mexico, with a small island in view
A small blue boat, palm trees, and clear blue waters on Chen Rio white sandy beach in Cozumel, Mexico, with a small island in view

What is the coldest month in Cozumel?

January and December, with an average high-temperature of 28.6°C (83.5°F), are the coldest months in Cozumel.

How much does it rain in Cozumel?

Throughout the year, in Cozumel, there are 119.9 rainfall days, and 1489.9mm (58.7") of precipitation is accumulated.

What months are the sea coldest in Cozumel?

February and March, with an average sea temperature of 26°C (78.8°F), are months with the coldest seawater. For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

What is the driest month in Cozumel?

March is the month with the least rainfall in Cozumel. Rain falls for 4 days and accumulates 32.2mm (1.3") of precipitation.

When is the sea warmest in Cozumel?

July through October, with an average sea temperature of 29°C (84.2°F), are months with the warmest seawater in Cozumel, Mexico. For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

What is the warmest month in Cozumel?

August is the warmest month, with an average high-temperature of 33°C (91.4°F) and an average low-temperature of 23.5°C (74.3°F).

What is the rainiest month in Cozumel?

The month with the most rainfall is October when the rain falls for 15.7 days and typically aggregates up to 242.5mm (9.5") of precipitation.
Average temperature - Cozumel, Mexico

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

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

Average humidity - Cozumel, Mexico
Average rainfall - Cozumel, Mexico

The wettest month (with the highest rainfall) is October (242.5mm).
The driest month (with the lowest rainfall) is March (32.2mm).

Average rainfall days - Cozumel, Mexico

The month with the highest number of rainy days is October (15.7 days).
The month with the lowest number of rainy days is April (3.7 days).

Average sea temperature - Cozumel, Mexico

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

Average daylight / Average sunshine - Cozumel, Mexico

The month with the longest days is June (Average daylight: 13.4h).
The month with shortest days is December (Average daylight: 10.9h).

The month with most sunshine is April (Average sunshine: 8.6h).
Months with least sunshine are September and November (Average sunshine: 6.1).

Average UV index - Cozumel, Mexico
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