Cancun, Mexico skyline

Cancun Weather in July

Cancun, Mexico in July: how the month usually turns out, from 2006–2025 averages.

A typical July day in Cancun peaks at 30.3°C (86.5°F) and drops to 26.2°C (79.2°F) overnight; expect about 17 rainy days (106 mm in total) and 11.8 hours of sunshine daily.

Avg high

30.3°C (86.5°F)

Avg low

26.2°C (79.2°F)

Rainfall

106 mm (4.2 in)

Rainy days

17 days

Sunshine

11.8 h / day

Humidity

80%

July vs the rest of the year

On temperature, July beats 10 of 11 other months, and it ranks as the 5th wettest month of the year.

MonthAvg highvs JulyRainRainy days
January25.7°C (78.3°F)−4.6°C (−8.3°F)70 mm12
February26.4°C (79.5°F)−3.9°C (−7°F)45 mm9
March27.3°C (81.1°F)−3°C (−5.4°F)33 mm8
April28.7°C (83.7°F)−1.6°C (−2.9°F)37 mm6
May29.5°C (85.1°F)−0.8°C (−1.4°F)83 mm13
June29.6°C (85.3°F)−0.7°C (−1.3°F)182 mm19
July30.3°C (86.5°F)—106 mm17
August30.5°C (86.9°F)+0.2°C (+0.4°F)137 mm21
September29.9°C (85.8°F)−0.4°C (−0.7°F)185 mm23
October28.7°C (83.7°F)−1.6°C (−2.9°F)179 mm20
November27.2°C (81°F)−3.1°C (−5.6°F)95 mm13
December26.5°C (79.7°F)−3.8°C (−6.8°F)68 mm13

What July feels like in Cancun

July sits between Cancun's dry and wet seasons. Expect proper heat in the afternoon — slow down between noon and four. Nights bring little relief: even the coolest hour of the night stays very warm. High humidity makes the heat feel heavier and sticky, especially on still afternoons.

Rain in Cancun in July

Dry days are the exception, with rain on about every other day. Wet days average about 6.2 mm (0.2 in), enough to soak you without an umbrella. The yearly figure is similar, around 7 mm per wet day.

Daylight and sunshine in July

In mid-July, sunrise is at about 6:14 am and sunset at about 7:32 pm (local time) — 13 h 19 min of daylight. Day length barely changes from mid-June (6 min shorter). Measured sunshine covers about 89% of the daylight — skies are mostly clear.

How July compares to the rest of the year

Ranked by average high, July comes out as the 2nd warmest month in Cancun. Against June, the average high is 0.7°C (1.3°F) higher, with 76 mm less rain. Temperatures barely move from one month to the next here. By August, typical highs are 30.5°C (86.9°F).

Who July suits

  • Sightseeing: less ideal — rain falls on more than half the days.
  • Parks & outdoor: less ideal — afternoons are too warm to linger outside.
  • Beach: less ideal — too many rainy days.
  • Museums & indoor: a good choice — with rain on most days, galleries and museums make easy plans.

Tips for visiting Cancun in July

Rain Protection

A compact umbrella and a light waterproof jacket.

Sun Protection

Protect yourself from strong sun: hat, SPF and plenty of water.

Quick questions

How warm is Cancun in July?

Expect around 30.3°C (86.5°F) in the afternoon and 26.2°C (79.2°F) at night, which most visitors would call hot.

Does it rain a lot in Cancun in July?

It does: about 17 rainy days bring roughly 106 mm, so plan some indoor options.

What should I wear in Cancun in July?

The numbers point to rain protection and sun protection. Evenings feel similar to the day, so the same clothes work from morning to night.

Is July or August better for visiting Cancun?

July, clearly: it ranks #8 of 12 among Cancun's months, against #11 for the other. August has more rainy days.

Is July a good time to visit Cancun?

Fair

Fair — warm to hot days, rain on most days (about 17), plenty of sunshine (11.8 h a day). Within Cancun's own year, July ranks #8 of 12.

July in other Mexico cities

Drier places in July

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Monthly averages from 20 years of Open-Meteo history (2006–2025), not a forecast — see all 12 months in Cancun weather by month.