Isla Mujeres Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Isla Mujeres.

Climate overview of Isla Mujeres

Isla Mujeres, in Quintana Roo, Mexico, stays warm year-round with little change in temperature. Rainfall is high, especially during the wettest months, when tropical downpours are common. The island is famous for its beaches, reef snorkeling, and relaxed pace. It is just a short ferry ride from Cancún. Now, let’s explore all the climate details to give you a complete picture on when to visit.

Isla Mujeres Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Isla Mujeres - and find the best time to visit.

Monthly Temperature in Isla Mujeres

The temperature in Isla Mujeres remains steady throughout the year, providing a consistently very warm climate. Typically, average maximum daytime temperatures range from a very warm 30°C (86°F) in August to a comfortable 27°C (81°F) in the coolest month, January.

Nights vary from 27°C (81°F) in August to around 24°C (75°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Isla Mujeres

Isla Mujeres has a relatively rainy climate with high precipitation levels, averaging 1146 mm (45 in) of rainfall annually. The climate in Isla Mujeres shows significant variation throughout the year. Expect heavy rainfall in October, the wettest month, with an average of 204 mm (8 in) of precipitation over 13 rainy days.

In contrast, the driest month March offers drier and sunnier days, with around 32 mm (1.3 in) of rainfall over 3 rainy days. For more details, please visit our Isla Mujeres Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Sunshine Hours in Isla Mujeres

Isla Mujeres offers a pleasant mix of sunny and slightly overcast days. The difference in sunshine hours between May (8.8 hours daily) and September (6.5 hours daily) provides a bit of variety for visitors and residents.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Cancún, Mexico (12 KM, 8 Miles).

Daily hours of sunshine

Data from: Cancún, Mexico (12 KM, 8 Miles).

Water Temperature in Isla Mujeres

The mean water temperature over the year ranges from 26°C (79°F) in January to 29°C (84°F) in June.

Water temperature over the year

Data from: Cancún, Mexico (12 KM, 8 Miles).

Best Time to Visit Isla Mujeres

Conditions in Isla Mujeres are generally most comfortable in January, February, March, April, May and December. They are typically least comfortable in September and October.

Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.

  • Best overall: January, February, March, April, May and December
  • Warmest weather: May, June, July, August, September and October
  • Most sunshine: April and May
  • Fewest rainy days: February, March and April
  • Best for swimming: Any time of year. The sea stays pleasantly warm year-round.
  • Wettest months: August, September, October and November, when rainfall is highest.
  • Seasonal pattern: A distinct dry season from March to April

Frequently asked questions about the climate in Isla Mujeres

What is the best time to visit Isla Mujeres?

January, February, March, April, May and December typically offer the most optimal weather in Isla Mujeres. In contrast, September and October tend to have less optimal conditions. Isla Mujeres has a distinct dry season from March to April.

What temperatures can I expect in Isla Mujeres?

Daytime highs range from 27°C (81°F) in January to 30°C (86°F) in August. Nighttime lows range from 24°C (75°F) to 27°C (81°F). Temperatures stay relatively stable year-round.

How much rain does Isla Mujeres get?

Annual rainfall is around 1146 mm (45 in). October is the wettest month with 204 mm (8 in), while March is the driest with 32 mm (1.3 in).

How sunny is Isla Mujeres?

Isla Mujeres receives around 2,723 hours of sunshine per year. May is the sunniest month with 264 hours, while September is the cloudiest with just 195 hours. Overall, Isla Mujeres enjoys abundant sunshine.

Isla Mujeres 3-Day Forecast

Isla Mujeres on the map

Isla Mujeres is highlighted - select any city to see its climate.

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