Guayaquil weather in May

May in Guayaquil: sweltering, soaked, with clean air — a gamble, with 25 rainy days.

Updated September 2026 · climate normals from ERA5 reanalysis

Guayaquil🇪🇨 Ecuador · Ecuador's Coast & Galápagos · City58
  1. 54Jan
  2. 43Feb
  3. 41Mar
  4. 45Apr
  5. 58May
  6. 69Jun
  7. 76Jul
  8. 81Aug
  9. 75Sep
  10. 73Oct
  11. 79Nov
  12. 67Dec

#8 of 12 months in Guayaquil · #1192 of 1413 destinations to visit in May · comfort 58/100 (tier D)

Days
32°C
Nights
24°C
Wet days
25
Sun
8.4 h
Humidity
86%
Daylight
12 h
Guayaquil, Ecuador
Photo: Marx Ramirez · Pexels

Traveller notes on Guayaquil in May

Other months in Guayaquil

Forum posters describe February as squarely within Guayaquil's hot, humid rainy season, part of the January-through-April coastal window locals call the 'temporada' - posters are direct that when it rains here, it genuinely pours rather than drizzling, though showers tend to be quick rather than sustained all day. Posters consistently describe this same period as beach season, with warm, sunny stretches between showers drawing visitors to coastal spots about an hour from the city. Posters generally describe Guayaquil as pleasantly warm and tropical-feeling year-round for those who enjoy that climate, with February specifically running hot and very humid. Posters generally rate February as a good beach-season month for the Guayaquil area, provided visitors accept intense, quick-hitting rain as part of the deal.
Tripadvisor community · February · 1 month ago · Read more on Tripadvisor ↗
Forum posters describe August as part of Ecuador's coastal 'garua' season - noticeably cooler and greyer than the January-April beach-weather peak, with cool air and water that posters call genuinely too cold for casual pool or ocean swimming; one visitor mentioned their kids skipped the hotel pool entirely because of it. The clear upside for August specifically: it's prime humpback whale season, with operators in nearby Puerto Lopez running day trips to Isla de la Plata to see them. Posters are candid that Guayaquil itself only holds about a day or two of sightseeing, so it functions more as a gateway - to the Galapagos, or to coastal whale-watching towns - than a standalone destination.
Tripadvisor community · August · 1 month ago · Read more on Tripadvisor ↗

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Guayaquil climate normals — May

Daytime high32°C / 89°F🔥 sweltering
Nighttime low24°C / 75°F
Feels like (high)36°C / 97°F
Rainfall180 mm / 7.1 in⛈ soaked
Rainy days25 days
Humidity86%💦 very humid
Dew point22°C / 72°F
Sunshine8.4 h/day
Daylight12 h
Wind10 km/h / 6 mph
Air quality (US AQI)46🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Guayaquil in May

How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.

Shoulder seasonan ordinary month(estimated)

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Peak crowdsBusyShoulder seasonQuiet

Best months for Guayaquil's weather

Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).

Fair weatherGuayaquil's best weather comes in July, August and November — separate windows, not one continuous season.

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Best weatherFair weatherToughest weather

Nearby, and something's on

Within 300 km of Guayaquil — a day trip or a short hop — with something on this month. Never part of the comfort score.

Where is Guayaquil?

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Guayaquil in May — FAQ

Is May a good time to visit Guayaquil?
May in Guayaquil: sweltering, soaked, with clean air — a gamble, with 25 rainy days. It ranks #8 of 12 months for Guayaquil on SeasonMap's comfort score (58/100).
What is the weather like in Guayaquil in May?
In May, Guayaquil averages a daily high of 31.7°C and a low of 23.7°C, with about 179.8 mm of rain over roughly 24.5 rainy days.
What is the air quality in Guayaquil in May?
Guayaquil has a mean US Air Quality Index of about 46 in May.

Within 300 km: Quito's Andean rainy season around 1 Oct – 31 May.