Cozumel
Mexico
Long-term weather forecast
Long-term weather forecast

August 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
  • Average high temperature in August: 33°C

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).

  • Average low temperature in August: 23.5°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 in August: 84%

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

  • Average rainfall in August: 141.7mm

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 in August: 13.4 days

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 in August: 29°C

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 in August: 13.6h

The month with the longest days is June (Average daylight: 14.2h).
The month with shortest days is December (Average daylight: 11.7h).

  • Average sunshine in August: 7.2h

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 in August: 12

Months with the highest UV index are April, May, June, July and August (UV index 12).
Months with the lowest UV index are January and December (UV index 7).

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