Cozumel Weather in October
Cozumel in October sees high temperatures, with highs around 29°C (84°F) and overnight lows of 26°C (79°F). Rainfall is at its peak this month, around 225 mm (8.9 in) on average, so waterproofs are essential.
Rainfall in Cozumel in October
Known for its heavy rain, this month often brings intense downpours. Carrying a poncho is recommended to keep dry. This month experiences about 14 days of rain according to historical data, averaging 225 mm (8.9 in). Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Cozumel in October
Cozumel in October gets highs of 29°C (84°F) during the day and drops to 26°C (79°F) at night. Conditions stay fairly consistent through the month, making it easier to plan what to wear. At 26°C (79°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 October
The city usually sees around 235 hours of sunlight, indicating many sunny days — a great month for sightseeing.
Average water temperature in October
The water is 28°C (82°F) this month — warm enough that getting in requires no effort at all. Good conditions for swimming, snorkeling, or just floating around.If you prefer enjoying temperate temperatures and rain-free days, January, February, March, April, May and December typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
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 October
Min Temperature
26°C (79°F)
Max Temperature
29°C (84°F)
Water Temperature
28°C (82°F) *
Chance of Rain
46%
Precipitation
225 mm (8.9 in)
Rainy days
14 days
Sunshine
235 hours *
Percentage Sunshine
*
Daily Historical Temperatures
48-year average (1976-2025)
Based on our historical records, temperatures in Cozumel typically stay consistent throughout October, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 23°C (73°F).
Average temperatures in October
Historical weather for Cozumel in October
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 October
Based on 19 years of weather observations (2006-2025), these are the most extreme conditions recorded in Cozumel.
- Cozumel recorded its highest October temperature of 36°C (97°F) on October 5, 2013.
- The lowest daytime temperature in October was 26°C (79°F), recorded on October 19, 2009.
- The lowest overnight temperature recorded in October was 14°C (57°F) (October 31, 2012).
- The wettest day in October Cozumel was on October 3, 2020 with 124 mm (4.9 in) of precipitation.
Best Places in Mexico in October
Find out more about the weather in Mexico and which places have the best travel conditions in this month. See all of Mexico in October →
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What to Wear in Cozumel in October
Warm but pleasant conditions in Cozumel in October. 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. It's going to pour! Pack a good poncho and prepare for very wet conditions. The water temperature sits at about 28°C (82°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Cozumel in October
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.
