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Island in Quintana Roo, Mexico

Isla Mujeres weather by month and the best time to visit

Updated October 2026Sources
Nov–AprBest time to visit

When to go to Isla Mujeres

Nov–Apr is dry and cooler; Dec–Mar is busiest. May–Oct is hot, humid and stormy; whale shark season Jun–Sep; hurricanes Aug–Oct.

Isla Mujeres weather by month

Average daily high, rainfall and conditions.

PleasantHotRainyCool or coldBest months
20°25°30°JFMAMJJASOND
Average highAverage lowRainfall

Monthly averages

MonthHighLowRainHumidityConditions
January26°C78°F23°C73°F59 mm75%Pleasant
February26°C79°F23°C73°F49 mm76%Pleasant
March27°C80°F23°C74°F33 mm74%Pleasant
April28°C83°F24°C76°F39 mm75%Pleasant
May29°C84°F26°C78°F89 mm77%Pleasant
June29°C84°F27°C80°F176 mm82%Rainy
July30°C85°F27°C81°F82 mm80%Pleasant
August30°C86°F27°C81°F103 mm80%Pleasant
September30°C85°F27°C81°F155 mm81%Pleasant
October28°C83°F26°C79°F200 mm80%Rainy
November27°C80°F25°C76°F105 mm77%Pleasant
December26°C79°F24°C74°F63 mm77%Pleasant

Best months across Mexico

PlaceBest monthsWarmest month
Mexico CityMar–Apr, Oct–NovApr (28°C)
CancúnNov–AprAug (30°C)
TulumNov–MarMay (31°C)
Playa del CarmenNov–AprAug (30°C)
Puerto VallartaNov–AprMay (38°C)
Cabo San LucasNov–AprAug (31°C)
OaxacaOct–MarApr (31°C)
GuadalajaraOct–AprMay (33°C)
MéridaNov–MarMay (35°C)
San Miguel de AllendeMar–Apr, Oct–DecMay (30°C)
Puerto EscondidoNov–AprApr (36°C)
CozumelNov–AprAug (30°C)
Isla MujeresNov–AprAug (30°C)
SayulitaNov–AprAug (30°C)
HolboxNov–MarMay (31°C)
BacalarNov–AprMay (31°C)
San Cristóbal de las CasasNov–AprApr (25°C)
MazatlánNov–AprJun (31°C)
GuanajuatoFeb–Apr, Oct–NovMay (30°C)
MonterreyMar–Apr, Oct–NovJun (37°C)
ValladolidNov–MarMay (34°C)
La PazFeb–Apr, Nov–DecAug (35°C)
PueblaNov–AprApr (28°C)
AcapulcoDec–AprApr (34°C)
QuerétaroNov–MarMay (31°C)
TijuanaApr–May, Sep–NovAug (31°C)
Puerto MorelosDec–AprAug (30°C)
MazunteNov–AprMay (31°C)
Todos SantosMar–May, Nov–DecJul (35°C)
AjijicNov–MarMay (33°C)

Quick answers

What is the best month to visit Isla Mujeres?

Nov–Apr. Nov–Apr is dry and cooler; Dec–Mar is busiest. May–Oct is hot, humid and stormy; whale shark season Jun–Sep; hurricanes Aug–Oct.

When is the rainy season in Isla Mujeres?

Rain peaks in October with about 200 mm. Months with 150 mm or more: Jun, Sep–Oct.

What is the hottest month in Isla Mujeres?

August, with average highs of 30°C (86°F).

How cold does Isla Mujeres get?

The coolest nights are in January, averaging 23°C (73°F).

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Sources

Climate averages are modelled from NASA POWER (MERRA-2) for 2001–2020 at about 50 km resolution, so coasts and valleys can differ a little. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.