Cozumel climate

Cozumel Weather in August

NASA POWER reanalysis for the half-degree grid cell around Cozumel, 1991-2020; a grid cell is an area average and can differ from a thermometer in town by several degrees

Average highs run from 30°C on August 1 to 30°C on August 31, and lows from 28°C to 28°C. Normal precipitation for the month is 130 mm over about 22 wet days.

August day by day

The normal high and low for each date, in °C.

Normal daily high and low temperature at Cozumel, in °C, with the record for each date.242628303234151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

August at a glance

Average high
30°C
Average low
28°C
Precipitation
130 mm
Reanalysis high
33°CAug 26, 2014
Reanalysis low
25°CAug 27, 2000
Daylight
13 h 02 min to 12 h 32 min
Cloud cover
52%
Humidity
80%
Dew point
25°C
Wind
12.2 km/h

Every day of the month

A wet day has at least 1 mm of precipitation in the reanalysis.

DateNormal highNormal lowReanalysis highReanalysis lowChance wet
Aug 130°C28°C31°C 201926°C 199371%
Aug 230°C28°C31°C 201426°C 199371%
Aug 330°C28°C31°C 201727°C 200172%
Aug 430°C28°C31°C 201726°C 199172%
Aug 530°C28°C31°C 201726°C 199172%
Aug 630°C28°C31°C 201726°C 199172%
Aug 730°C28°C32°C 201426°C 199672%
Aug 830°C28°C31°C 200727°C 199272%
Aug 930°C28°C31°C 200727°C 200873%
Aug 1030°C28°C31°C 200426°C 200073%
Aug 1130°C28°C31°C 201926°C 199272%
Aug 1230°C28°C32°C 201926°C 199472%
Aug 1330°C28°C31°C 200426°C 199372%
Aug 1430°C28°C31°C 201926°C 199973%
Aug 1530°C28°C31°C 201926°C 199974%
Aug 1630°C28°C31°C 200827°C 199973%
Aug 1730°C28°C31°C 201426°C 200073%
Aug 1830°C28°C31°C 199426°C 199974%
Aug 1930°C28°C32°C 199526°C 199674%
Aug 2030°C28°C32°C 199526°C 199675%
Aug 2130°C28°C31°C 199527°C 199676%
Aug 2230°C28°C31°C 199526°C 199976%
Aug 2330°C28°C32°C 201527°C 199177%
Aug 2430°C28°C32°C 201426°C 199777%
Aug 2530°C28°C32°C 201426°C 199778%
Aug 2630°C28°C33°C 201426°C 200079%
Aug 2730°C28°C32°C 201425°C 200080%
Aug 2830°C28°C32°C 199927°C 199380%
Aug 2930°C28°C32°C 199527°C 200380%
Aug 3030°C28°C32°C 199527°C 199181%
Aug 3130°C28°C32°C 200826°C 199180%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Cozumel, in percent.0204060801001102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (EST).

August 1
sunrise 6:23 AM, sunset 7:25 PM
August 31
sunrise 6:32 AM, sunset 7:04 PM

Every day of August: sun and moon

Other months

Sources

Cloud, humidity, wind and sunshine, and temperature and precipitation: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.