Cancun weather

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Usually in June
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- 23
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Weather by month
Now Today
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5-day forecast

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

The weather guide for Cancun, 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.

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When is it hottest in Cancun?

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

Does it ever rain in Cancun?

September is usually the wettest month in Cancun with 229mm on average. In September there are normally 14 days with some rain.

When is it sunniest in Cancun?

The sunniest time of year in Cancun 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 Cancun?

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

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

Discover more about the Caribbean Coast

Compare Cancun weather with the USA

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

Maximum daytime temperature (°C)

Cancun, Caribbean Coast, Mexico

USA (Washington)

Jan

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Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

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

Compare more Cancun weather >>

Tropical storm risk: Cancun, Mexico hurricane season

% of month affected by tropical storms

2.1%

1.3%

3.9%

2.4%

1.3%

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

The Cancun, Mexico 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

Where's hot in the Caribbean Coast right now?

Below are the temperatures expected today at popular destinations in the Caribbean Coast. Select a destination to compare today's forecast with average weather conditions.