Monthly weather forecast and climate
Cancún, Mexico

White sandy beach and the clear blue waters in Cancún, Mexico
White sandy beach and the clear blue waters in Cancún, Mexico
January, like December, in Cancún, Mexico, is another warm winter month, with temperature in the range of an average low of 22.1°C (71.8°F) and an average high of 26°C (78.8°F). The coldest month is January, with an average high-temperature of 26°C (78.8°F) and an average low-temperature of 22.1°C (71.8°F). Weather in January »

February, the last month of the winter, in Cancún, is another warm month, with average temperature fluctuating between 26.8°C (80.2°F) and 22.8°C (73°F). In Cancún, the average high-temperature in February is practically the same as in January - a still warm 26.8°C (80.2°F). Weather in February »

March, the first month of the spring, in Cancún, is also a moderately hot month, with temperature in the range of an average high of 27.3°C (81.1°F) and an average low of 23.1°C (73.6°F). In March, the average high-temperature is relatively the same as in February - a still warm 27.3°C (81.1°F). Weather in March »

April, like March, in Cancún, Mexico, is a moderately hot spring month, with average temperature ranging between max 28.8°C (83.8°F) and min 24.5°C (76.1°F). In April, the average high-temperature is relatively the same as in March - a still warm 28.8°C (83.8°F). Weather in April »

May, the last month of the spring, in Cancún, is another warm month, with average temperature ranging between max 29.8°C (85.6°F) and min 25.9°C (78.6°F). In Cancún, the average high-temperature is relatively the same as in April - a still moderately hot 29.8°C (85.6°F). Weather in May »

The first month of the summer, June, is a hot month in Cancún, Mexico, with temperature in the range of an average low of 26.6°C (79.9°F) and an average high of 30.1°C (86.2°F). In June, the average high-temperature is essentially the same as in May - a hot 30.1°C (86.2°F). Weather in June »

July, like June, is another hot summer month in Cancún, Mexico, with average temperature ranging between max 30.8°C (87.4°F) and min 26.8°C (80.2°F). In July, the average high-temperature is almost the same as in June - a still hot 30.8°C (87.4°F). Weather in July »

August, the last month of the summer, in Cancún, is another tropical month, with average temperature ranging between max 31°C (87.8°F) and min 27°C (80.6°F). August is the warmest month, with an average high-temperature of 31°C (87.8°F) and an average low-temperature of 27°C (80.6°F). The average heat index in August is appraised at a sweltering 39.5°C (103.1°F). Weather in August »

The first month of the autumn, September, is also a hot month in Cancún, Mexico, with temperature in the range of an average low of 26.7°C (80.1°F) and an average high of 30.3°C (86.5°F). In September, the average high-temperature is essentially the same as in August - a still tropical 30.3°C (86.5°F). Weather in September »

October, the same as September, is another warm autumn month in Cancún, Mexico, with temperature in the range of an average low of 25.5°C (77.9°F) and an average high of 29.4°C (84.9°F). In Cancún, the average high-temperature in October is practically the same as in September - a moderately hot 29.4°C (84.9°F). Weather in October »

November, the last month of the autumn, in Cancún, is another warm month, with average temperature varying between 23.9°C (75°F) and 27.5°C (81.5°F). In November, the average high-temperature is relatively the same as in October - a still warm 27.5°C (81.5°F). Weather in November »

The first month of the winter, December, is still a warm month in Cancún, Mexico, with temperature in the range of an average high of 26.9°C (80.4°F) and an average low of 23.5°C (74.3°F). In December, the average high-temperature is relatively the same as in November - a still moderately hot 26.9°C (80.4°F). Weather in December »

What is the coldest month in Cancún?

January is the coldest month, with an average high-temperature of 26°C (78.8°F) and an average low-temperature of 22.1°C (71.8°F).

How many days does it rain in Cancún?

Throughout the year, in Cancún, Mexico, there are 224.7 rainfall days, and 886mm (34.88") of precipitation is accumulated.

What is the month with the coldest sea water in Cancún?

January is the month with the coldest seawater in Cancún, with an average sea temperature of 25.6°C (78.1°F).

What is the month with the least sunshine in Cancún?

January has the least sunshine of the year, with an average of 7.7h of sunshine.

What are the months with the lowest UV index in Cancún?

January, February, November and December, with an average maximum UV index of 6, are months with the lowest UV index.

What is the least humid month in Cancún?

March is the least humid month in Cancún, Mexico, with an average relative humidity of 73%.

What is the driest month in Cancún?

The month with the least rainfall in Cancún is March when the rain falls for 14.3 days and typically collects 26mm (1.02") of precipitation.

What is the month with the highest UV index in Cancún?

Months with the highest UV index in Cancún, Mexico, are March through October, with an average maximum UV index of 7.

What is the most humid month in Cancún?

With an average relative humidity of 78%, June is the most humid month.

When are the longest days in Cancún?

The month with the longest days in Cancún is June, with an average of 13.4h of daylight.

What is the month with the most sunshine in Cancún?

Months with the most sunshine in Cancún, Mexico, are July and August, with an average of 9.3h of sunshine.

What is the warmest month in Cancún?

With an average high-temperature of 31°C (87.8°F) and an average low-temperature of 27°C (80.6°F), August is the warmest month in Cancún.

What month is the sea warmest in Cancún?

The month with the warmest seawater is August, with an average sea temperature of 29.4°C (84.9°F).

What is the wettest month in Cancún?

October is the month with the most rainfall. Rain falls for 23.3 days and accumulates 137mm (5.39") of precipitation.

What is the month with the shortest days in Cancún?

December has the shortest days of the year in Cancún, Mexico, with an average of 10.9h of daylight.
Average temperature - Cancún, Mexico
Average pressure - Cancún, Mexico

The month with the highest atmospheric pressure is January (1017.7mbar).
The month with the lowest atmospheric pressure is September (1012.5mbar).

Average wind speed - Cancún, Mexico

The windiest month (with the highest average wind speed) is March (18.8km/h).
The calmest month (with the lowest average wind speed) is July (13.1km/h).

Average rainfall - Cancún, Mexico
Average rainfall days - Cancún, Mexico

The month with the highest number of rainy days is October (23.3 days).
The month with the least rainy days is April (12.3 days).

Average sea temperature - Cancún, Mexico

The best month for swimming (with the highest average sea temperature) is August (29.4°C).
The coldest month (with the lowest average sea temperature) is January (25.6°C).

Average daylight / Average sunshine - Cancún, Mexico

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

Months with the most sunshine are July and August (Average sunshine: 9.3h).
The month with the least sunshine is January (Average sunshine: 7.7h).

Average sunshine days - Cancún, Mexico
Average UV index - Cancún, Mexico

Months with the highest UV index are March, April, May, June, July, August, September and October (UV index 7).
Months with the lowest UV index are January, February, November and December (UV index 6).

Average visibility - Cancún, Mexico

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).