Cozumel Weather in July
July in Cozumel brings high temperatures, with highs of 30°C (86°F) and nights dropping to 27°C (81°F). Rainfall is on the higher side this month, averaging around 91 mm (3.6 in), so keep a rain jacket handy.
Rainfall in Cozumel in July
Records from the past 30 years suggest around 12 days of rain, with 91 mm (3.6 in) average for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.
Temperature in Cozumel in July
In July, expect high temperatures in Cozumel, with highs of 30°C (86°F) and lows of 27°C (81°F) at night. Conditions stay fairly consistent through the month, making it easier to plan what to wear. At 27°C (81°F) overnight, the heat doesn't let up much after dark. If you're staying somewhere without air conditioning, a cold shower before bed and keeping the air moving can help.
Sunshine in Cozumel in July
The city usually sees around 220 hours of sunlight, indicating many sunny days — a great month for sightseeing.
Average water temperature in July
With water at 29°C (84°F), conditions are warm and calm. Perfect for those who like tropical water temperatures, though it won't cool you down much.Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, February, March, April, May and December typically offer the best weather for Cozumel.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Mexico, check out our Cozumel's climate page.
Cozumel Temperature in July
Min Temperature
27°C (81°F)
Max Temperature
30°C (86°F)
Water Temperature
29°C (84°F) *
Chance of Rain
39%
Precipitation
91 mm (3.6 in)
Rainy days
12 days
Sunshine
220 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Cozumel typically stay consistent throughout July, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 25°C (77°F).
Average temperatures in July
Historical weather for Cozumel in July
Browse day-by-day weather records for Cozumel spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Cozumel historical weather extremes in July
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Cozumel.
- Cozumel recorded its highest July temperature of 39°C (102°F) on July 4, 2019.
- Cozumel experienced its chilliest July day on July 6, 2010, reaching only 27°C (81°F).
- Cozumel registered its coldest July night on July 21, 2015, with temperatures dropping to 19°C (66°F).
Best Places in Mexico in July
Find out more about the weather in Mexico and which places have the best travel conditions in this month. See all of Mexico in July →
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What to Wear in Cozumel in July
Warm but pleasant conditions in Cozumel in July. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags. With water temperatures around 29°C (84°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Cozumel in July
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Mexico, check out our Cozumel's climate page.
Temperature Rainfall Sunshine Water Temp
See the full Cozumel climate overview or explore weather in Mexico.
