30YearWeather
Guayaquil in May
Guayaquil weather in May - Ecuador
🌧️Wet Season

Guayaquil Weather in May

Plan your May trip to Guayaquil, Ecuador. Based on 30 years of NASA data, expect temperatures of 29°C (high) to 23°C (low), with 42% rain probability and 8 hours of daily sunshine. Pack rain gear for around 31 rainy days.

Avg High
29°C

Hottest around day 1

Avg Low
23°C

Coolest around day 31

Rainy Days
31days

42% avg rain chance

Sunshine
8hrs/day

Spring season

Guayaquil May Weather Calendar

Click any day to see detailed weather information

Currency

USD

$ United States dollar

Language

Spanish

Driving

Right side

Connect

There are cyber cafes around to communic...

Safety

High Safety

GPI: 1.988

Travel Intelligence

Exclusive flight analytics & health data for Guayaquil

Smart Flight Estimator

Airport-to-Airport Logistics

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Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Low Traffic
22/ 100
Traffic Index

Quieter airport

Peak Daily Arrivals

0

slots per day

Peak

Apr

Low

Jul

Monthly Traffic Distribution

48
Jan
46
Feb
48
Mar
56
Apr
51
May
50
Jun
45
Jul
53
Aug
51
Sep
50
Oct
47
Nov
49
Dec
Traffic Level
Low Season

Key Connections

Quito Mariscal Sucre (UIO)
Tocumen (PTY)
Bogotá El Dorado (BOG)
Baltra Seymour (GPS)
San Cristóbal (SCY)

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

All travelers should take steps to prevent mosquito bites. Chikungunya vaccination is generally not recommended. Travelers who wish to consider vaccination can visit “What to consider before traveling” on thechikungunya vaccinespage to learn more.

Hepatitis A

Recommended for unvaccinated travelers one year old or older going to Ecuador.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 Ecuador. Unvaccinated travelers 60 years and older may get vaccinated before traveling to Ecuador.

Malaria

CDC recommends that travelers going to certain areas of Ecuador 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 areasAreas <1,500 m (<5,000 ft) elevation in the provinces of Cotopaxi, Esmeraldas, Morona-Santiago, Orellana, Pastaza, and SucumbíosRare cases <1,500 m (<5,000 ft) in all other provincesNo malaria transmission in the cities of Guayaquil or Quito (the capital)No malaria transmission on the Galápagos IslandsDrug resistanceChloroquineSpeciesP. vivax(85%)P. falciparum(15%)Recommended chemoprophylaxisTransmission areas in the provinces of Cotopaxi, Esmeraldas, Morona-Santiago, Orellana, Pastaza, and Sucumbíos: Atovaquone-proguanil, doxycycline, mefloquine, tafenoquine2All other areas with reported 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 May a Good Time to Visit Guayaquil?

👌A reasonable choice for your trip
Short Answer

Monsoon conditions shape Guayaquil's May: expect 42% daily rain chance. Mornings often clear before afternoon showers - early starts recommended.

Decision Factors

Oppressive heat and humidity

28.7°C with 83% humidity - challenging conditions

Vaccinations required

Yellow Fever

Feels significantly hotter than 28.7°C

Heat index: 35°C due to 83% humidity

Peak tourist season

91% of annual peak - expect crowds and peak prices

Health precautions needed

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

Plenty of sunshine

8.5h of sunshine daily

Good For

  • 💼
    Business travelers

    Climate-controlled meetings unaffected by weather

Who Should Avoid

  • 🏖️
    Beach lovers

    Sea temperature only undefined°C - too cold for comfortable swimming

  • 💰
    Budget travelers

    Peak season means premium prices everywhere

  • 👴
    Elderly travelers

    83% humidity creates difficult conditions

  • 📸
    Photographers

    80% cloud cover limits natural light opportunities

930 observations30-year historical data
Confidence: 95%

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Guayaquil in May averages 29°C with 42% precipitation probability."

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

Frequently Asked Questions: Guayaquil in May

What are the temperatures in Guayaquil in May?

Daytime highs average 29°C, nights drop to 23°C. Temperatures remain fairly consistent.

How many rainy days in Guayaquil in May?

Expect around 31 days with measurable rainfall. An umbrella is advisable.

What to wear in Guayaquil in May?

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

Is May peak season in Guayaquil?

This is shoulder season—moderate prices and manageable crowds.