Cozumel weather

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Usually in July
- 32
- 23
- 7
Weather by month
Now Today
- 31
- 6
5-day forecast

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The weather guide for Cozumel, Mexico's Caribbean Coast shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by MeteoBlue. Find out more about our data sources.

Which is the hottest month in Cozumel?

The hottest time of year in Cozumel is normally August. Expect maximum daytime temperatures to reach 33°C with very high heat and humidity.

Which month has the most rain in Cozumel?

In terms of rainfall, September is usually the wettest month in Cozumel with 237mm on average. There are normally 15 days in September with some rain.

When is it sunniest in Cozumel?

The sunniest time of year in Cozumel is normally April with bright sunshine on average for 63% of daylight hours; that's 8 hours of sunshine per day.

When is the sea warmest in Cozumel?

The sea is usually at its warmest in Cozumel in September when the water temperature reaches 29°C.

Metric (°C / mm) | Imperial (°F / inches)

Compare Cozumel weather with the USA

Below the Cozumel weather chart shows average maximum daytime temperature for Cozumel, Caribbean Coast, Mexico and the USA (Washington).

Maximum daytime temperature (°C)

Cozumel, Caribbean Coast, Mexico

USA (Washington)

Jan

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Mar

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May

Jun

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Aug

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Dec

Metric (°C / mm) | Imperial (°F / inches)

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Tropical storm risk: Cozumel hurricane season

% of month affected by tropical storms

2.1%

1.3%

4.2%

2.7%

1.3%

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

The Cozumel tropical storm risk chart above shows the hurricane season. The chart was processed from data supplied by the US Meteorological Agency (NOAA). Find out more about our data sources.

More about tropical storms