Climate averages 1991–2020

Cozumel weather
in October.

A warm, very wet month: the 6th warmest and the wettest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 27.9°C Daytime mean, October
Average low 25.9°C Night-time mean, October
Rainfall 215 mm 20 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in Cozumel · average highYear overview

October is a warm month in Cozumel: daytime highs average 27.9°C and nights cool to about 25.9°C. By daytime temperature it is the 6th warmest of the 12 months.

Expect about 215 mm of rain on roughly 20 days, which makes October a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 11 h 41 min on an average October day.

The nearest other city in this atlas is Playa del Carmen (20 km away). In October its highs average 28.4°C, 0.5°C warmer than Cozumel, with 188 mm of rain.

Among the 153 cities listed in Mexico, Cozumel ranks 54th of 153 for the warmest October highs and 144th of 153 for the driest October (rainfall, lowest first). The mean October high of those 153 cities is 25.7°C; Cozumel is 2.2°C warmer than that mean.

From October to November, average highs fall by 1.2°C to 26.7°C, and monthly rainfall falls from 215 mm to 103 mm.

The annual picture

October in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. 20253035 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly rainfall

Average total · mm
Average monthly rainfall totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 2500

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Cozumel climate table

1991–2020
Monthly climate averages for Cozumel, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 25.3°C23.4°C23.4°C6411.611.011 h
February 25.7°C23.8°C23.8°C286.911.511 h
March 26.3°C24.3°C24.3°C265.712.012 h
April 27.3°C25.3°C25.3°C295.712.613 h
May 28.1°C26.1°C26.1°C8411.113.113 h
June 28.5°C26.6°C26.6°C16817.413.413 h
July 28.9°C27.0°C27.0°C8214.113.213 h
August 29.1°C27.0°C27.0°C10716.212.813 h
September 28.8°C26.6°C26.6°C17921.112.312 h
October, selected 27.9°C25.9°C25.9°C21519.711.712 h
November 26.7°C24.9°C24.9°C10312.911.211 h
December 25.9°C24.1°C24.1°C6611.710.911 h

Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

October in nearby cities

Distance from Cozumel

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Cozumel) is explained once on the Cozumel year overview and on the Sources, method and limits page.