May weather forecast and climate
Isla Mujeres, Mexico

A bird
A bird's eye view on Isla Mujeres, Mexico, with a view of the glorious Mexico Caribbean Beach Hotel
May, the last month of the spring, in Isla Mujeres, is also a hot month, with average temperature fluctuating between 32°C (89.6°F) and 22°C (71.6°F).

Temperature

In Isla Mujeres, Mexico, the average high-temperature is 32°C (89.6°F), and the average low-temperature is 22°C (71.6°F).

Rainfall

In May, in Isla Mujeres, the rain falls for 7 days. Throughout May, 108mm (4.3") of precipitation is accumulated. In Isla Mujeres, during the entire year, the rain falls for 101 days and collects up to 1339mm (52.7") of precipitation.

Sea temperature

In May, the average sea temperature is 28°C (82.4°F).
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.

Daylight

The average length of the day in May is 13.2h.

Sunshine

March through May, with an average of 8h of sunshine, are months with the most sunshine.

UV index

Months with the highest UV index are April through August, with an average maximum UV index of 12.
A UV Index reading of 11, and higher, represents an excessive health risk from unprotected exposure to the Sun's UV rays for the average person. Take all required precautions, as unprotected skin and eyes can burn in minutes.

What is the temperature in May in Isla Mujeres?

In May, in Isla Mujeres, the average high-temperature is 32°C (89.6°F), and the average low-temperature is 22°C (71.6°F).

How much does it rain in Isla Mujeres in May?

In May, in Isla Mujeres, Mexico, the rain falls for 7 days. Throughout May, 108mm (4.3") of precipitation is accumulated.

What is the water temperature in May in Isla Mujeres?

In May, the average sea temperature in Isla Mujeres is 28°C (82.4°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

How many hours of daylight does Isla Mujeres have in May?

The average length of the day in May in Isla Mujeres is 13.2h.

What are the months with the most sunshine in Isla Mujeres?

March through May, with an average of 8h of sunshine, are months with the most sunshine in Isla Mujeres.

How long on average sun shines in May in Isla Mujeres?

The average sunshine in May in Isla Mujeres, Mexico, is 8h.

When is the highest UV index in Isla Mujeres?

Months with the highest UV index are April through August, with an average maximum UV index of 12.

What is the UV index reading in May in Isla Mujeres?

In May, the average daily maximum UV index in Isla Mujeres is 12. A UV Index of 11, and more, symbolizes an ultimate hazard to health from unsafe exposure to the Sun's UV rays.
Average temperature in May - Isla Mujeres, Mexico
  • Average high temperature in May: 32°C

The warmest month (with the highest average high temperature) is August (33°C).
The month with the lowest average high temperature is January (27°C).

  • Average low temperature in May: 22°C

Months with the highest average low temperature are June, July and September (23°C).
The coldest month (with the lowest average low temperature) is February (17°C).

Average rainfall in May - Isla Mujeres, Mexico
  • Average rainfall in May: 108mm

The wettest month (with the highest rainfall) is September (224mm).
The driest month (with the lowest rainfall) is March (36mm).

Average rainfall days in May - Isla Mujeres, Mexico
  • Average rainfall days in May: 7 days

The month with the highest number of rainy days is September (14 days).
Months with the lowest number of rainy days are March and April (3 days).

Average sea temperature in May - Isla Mujeres, Mexico
  • Average sea temperature in May: 28°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 January, February and March (26°C).

Average daylight in May / Average sunshine in May - Isla Mujeres, Mexico
  • Average daylight in May: 13.2h

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

  • Average sunshine in May: 8h

Months with most sunshine are March, April and May (Average sunshine: 8h).
Months with least sunshine are January, September, November and December (Average sunshine: 6).

Average UV index in May - Isla Mujeres, Mexico
  • Average UV index in May: 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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