30YearWeather
Cozumel in August
Cozumel weather in August - Mexico
☀️Hot & Sunny

Cozumel Weather in August

Plan your August trip to Cozumel, Mexico. Based on 30 years of NASA data, expect temperatures of 30°C (high) to 27°C (low), with 31% rain probability and 8 hours of daily sunshine. The Coastal Waters averages 30°C in August. Pack rain gear for around 24 rainy days.

Avg High
30°C

Hottest around day 2

Avg Low
27°C

Coolest around day 26

Rainy Days
24days

31% avg rain chance

Sunshine
8hrs/day

Summer season

Sea Temperature in August

Coastal Waters(Ocean)

30.1°C

Monthly Average

Water Feel
🌴Tropical

Perfect for swimming and water sports

Swim Rating
Excellent for swimming

Based on average sea surface temperature

Body of Water
Coastal Waters

Ocean

Cozumel coastline

Cozumel August Weather Calendar

Click any day to see detailed weather information

Currency

MXN

$ Mexican peso

Language

Spanish

Driving

Right side

Safety

Travel Precautions

GPI: 2.612

Travel Intelligence

Exclusive flight analytics & health data for Cozumel

Smart Flight Estimator

Airport-to-Airport Logistics

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Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Remote
4/ 100
Traffic Index

Off the beaten path

Peak Daily Arrivals

0

slots per day

Peak

Jun

Low

Oct

Monthly Traffic Distribution

8
Jan
7
Feb
7
Mar
5
Apr
5
May
10
Jun
9
Jul
8
Aug
8
Sep
3
Oct
9
Nov
6
Dec
Traffic Level
Low Season

Key Connections

Dallas-Fort Worth (DFW)
Mexico City Licenciado Benito Juarez (MEX)
Atlanta Hartsfield Jackson (ATL)
Houston George Bush (IAH)
Miami (MIA)

Health & Safety Advisory

CDC travel health recommendations

9 Recommendations
COVID-19

All eligible travelers should be up to date with their COVID-19 vaccines. Please seeYour COVID-19 Vaccinationfor more information.

Chikungunya

There iselevated chikungunya riskin Mexico.Chikungunya vaccinationmay be considered for people traveling or moving to this location if they are planning to stay for an extended period of time (for example, 6 months or more).

Hepatitis A

Recommended for unvaccinated travelers one year old or older going to Mexico.Infants 6 to 11 months old should also be vaccinated against Hepatitis A. The dose does not count toward the routine 2-dose series.Travelers allergic to a vaccine component should receive a single dose of immune globulin, which provides effective protection for up to 2 months depending on dosage given.Unvaccinated travelers who are over 40 years old, are immunocompromised, or have chronic medical conditions planning to depart to a risk area in less than 2 weeks should get the initial dose of vaccine and at the same appointment receive immune globulin.

Hepatitis B

Recommended for unvaccinated travelers younger than 60 years old traveling to Mexico. Unvaccinated travelers 60 years and older may get vaccinated before traveling to Mexico.

Malaria

CDC recommends that travelers going to certain areas of Mexico take prescription medicine to prevent malaria. Depending on the medicine you take, you will need to start taking this medicine multiple days before your trip, as well as during and after your trip. Talk to your doctor about which malaria medication you should take.Transmission areasCampeche, Chiapas, and the southern part of Chihuahua stateRare in the states of Oaxaca, Sinaloa, Sonora, and TabascoNo malaria transmission along the U.S.–Mexico borderDrug resistanceNoneSpeciesP. vivax(100%)Recommended chemoprophylaxisCampeche, Chiapas, and the southern part of Chihuahua state: Atovaquone-proguanil, chloroquine, doxycycline, mefloquine, primaquine5, tafenoquine2All other areas with malaria transmission: No chemoprophylaxis recommended (insect bite precautions and mosquito avoidance only)4Updated April 23, 2025See footnotes

Measles

Cases of measles are on the rise worldwide. Travelers are at risk of measles if they have not been fully vaccinated at least two weeks prior to departure, or have not had measles in the past, and travel internationally to areas where measles is spreading.All international travelers should be fully vaccinated against measles with the measles-mumps-rubella (MMR) vaccine, including an early dose for infants 6–11 months, according toCDC’s measles vaccination recommendations for international travel.

+3 more

Source: CDC Travelers' Health

View Complete Health Guide

Is August a Good Time to Visit Cozumel?

👌Decent conditions for most activities
Short Answer

⚠️ August falls in Cozumel's typhoon season. While daily weather averages 30°C with 31% rain, tropical storms can disrupt travel. Flexible bookings recommended.

Decision Factors

Atlantic Hurricane season active

Atlantic zone - expect potential atlantic hurricane activity

Oppressive heat and humidity

30.2°C with 79% humidity - challenging conditions

Vaccinations required

Yellow Fever

Feels significantly hotter than 30.2°C

Heat index: 38°C due to 79% humidity

Warm tropical seas

30.1°C sea temperature - Hot Soup

Health precautions needed

Be aware of: Leptospirosis, Melioidosis, Chagas disease (American Trypanosomiasis)

Good For

  • 🏖️
    Beach lovers

    30.1°C warm seas and 31% rain probability

  • 💼
    Business travelers

    Climate-controlled meetings unaffected by weather

Who Should Avoid

  • 👴
    Elderly travelers

    Heat index of 38°C poses health risks

  • 💼
    Business travelers

    Storm season may cause flight disruptions

  • 🌡️
    Heat-sensitive visitors

    38°C feels-like temperature creates discomfort

930 observations30-year historical data
Confidence: 99%

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Cozumel in August averages 30°C with 31% precipitation probability."

📊 Source: 30YearWeather.com🛰️ Data: NASA POWER (1991-2021)View Methodology →

Frequently Asked Questions: Cozumel in August

What are the temperatures in Cozumel in August?

Daytime highs average 30°C, nights drop to 27°C. Temperatures remain fairly consistent.

How many rainy days in Cozumel in August?

Expect around 24 days with measurable rainfall. An umbrella is advisable.

What to wear in Cozumel in August?

Light, breathable fabrics. Don't forget sunglasses and a hat.

Is August peak season in Cozumel?

This is shoulder season—moderate prices and manageable crowds.