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Cancún, Mexico · Temperate oceanic

Cancún in May: go or not?

Mixed period. Cancún in May: 5.5/10.

📅 Updated August 2026 🛰️ ERA5 · 10 years 📍 21.16°N · 86.85°W
⚡ This month's verdict
Why not
Cancún · May
5.5
25–30°
Temperature
44%
Rain
10h
Sun
🌊 Seaside☀️ Bright🍴 Gastronomy
Photo : Hongbin via Unsplash
The month in detail

What to expect in May

Spring marks the start of the good season in Cancún. Temperatures rise (30.0°F) and tourists have not yet arrived en masse. Expect rain on 44.0% of days — a light raincoat in the bag is recommended. Not the best window, but acceptable if dates are constrained. March (8.7/10) is significantly better if possible.

May ranks 7 out of 12 months in Cancún. Compared to April: +2°F daytime, 19 pts more rainy days.

This month's conditions

What it's like in May

UV index
9 · very high
protection essential
Feels like
very humid
23°
Sea
27°C
warm, ideal
Daylight
13.0h of daylight
Air quality
good
AQI 31
Compare

Is May the right month?

The best month in Cancún is March (8.7/10), 3.2 pts higher than May.

See March →See all 12 months →
Context

Our verdict

Cancun is the all-inclusive Mexican beach resort par excellence: Hotel Zone built on a 16 miles sand-bar island, 30 million visitors/year. March-April are my favorite months (8.7-8.8/10): 73-84°F, 25-30% rain, turquoise sea at 77°F, end of the American high season.

Read Gilles' full review →

Book

Plan your trip

Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.

🎟️ Activities & tours · Cancún

GetYourGuide selection · free cancellation

See all →
Affiliate link · GetYourGuide
Practical info

What you need to know before you go

Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a beach trip.

Country · Mexico

🗣️LanguageSpanish
💶CurrencyMexican Peso ($)
🚗DrivingRight-hand
🛡️Safety Very safe · 1/5
💰Cost of living Cheap · 2/5

🌡️ Climate

🌍Climate typeTemperate oceanic
📈Climate trend Stable
🔥Hottest monthJuly · 88°F
❄️Coolest monthJanuary · 79°F
🌧️Rainiest month September · 75%

🏖️ Beach trip

📅Peak seasonJuin → Sept
🏖️Swell (Sept–Mar) Modérée
Location

Where is Cancún ?

Global position + regional geographic context.

🌍 World
🔍 Geographic context
Mexico
Temperate oceanic climate with a 8.7 → 4.8 gap between best and worst month. 10 years of ERA5 data to choose by project.
21.16°N · 86.85°W
Questions

Frequently asked questions

What is the best time to visit Cancún?
April is the best month with 84°F highs, 75°F lows, 9.7h of sunshine and 25.0% rainy days. The months of April & March offer comparable conditions.
How many hours of sunshine does Cancún get in April?
Cancún averages 9.7 sunshine hours per day in April. It is the sunniest month with a climate score of 8.3/10.
What is the rainiest month in Cancún?
September is the most unfavourable month with September has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in Cancún in April?
In April, overnight lows reach 75°F, while afternoon highs average 84°F.
Is Cancún good in winter?
In winter (December-February), Cancún scores 7.5/10 on average — Acceptable conditions for cultural visits.. The best month overall remains April with a score of 8.3/10.
When should you avoid Cancún?
September is the most difficult month to visit Cancún, with September has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.
Can you swim in Cancún in May?
In May, the sea averages 81°F in Cancún: warm, ideal. Ideal conditions for swimming and snorkeling.
Do you need sun protection in Cancún in May?
The average UV index reaches 9 in May in Cancún (very high), with about 13.0h of daylight. Protection essential.