Cancún climate

Cancún Weather in August

NASA POWER reanalysis for the half-degree grid cell around Cancún, 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 27°C to 27°C. Normal precipitation for the month is 118 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 Cancún, in °C, with the record for each date.24262830323436151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

August at a glance

Average high
30°C
Average low
27°C
Precipitation
118 mm
Reanalysis high
34°CAug 26, 2014
Reanalysis low
25°CAug 27, 2000
Daylight
13 h 05 min to 12 h 33 min
Cloud cover
50%
Humidity
80%
Dew point
24°C
Wind
9.7 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°C27°C33°C 201925°C 199364%
Aug 230°C27°C33°C 201425°C 199364%
Aug 330°C27°C33°C 201926°C 199365%
Aug 430°C27°C32°C 201725°C 199965%
Aug 530°C27°C32°C 201725°C 199164%
Aug 631°C27°C33°C 201925°C 199164%
Aug 731°C27°C33°C 201426°C 199664%
Aug 830°C27°C32°C 201526°C 201365%
Aug 930°C27°C32°C 200726°C 199666%
Aug 1030°C27°C32°C 200425°C 200066%
Aug 1130°C27°C33°C 201925°C 199264%
Aug 1230°C27°C33°C 201925°C 199464%
Aug 1330°C27°C33°C 200425°C 199365%
Aug 1430°C27°C33°C 201925°C 199966%
Aug 1530°C27°C32°C 200926°C 199966%
Aug 1630°C27°C32°C 199525°C 200667%
Aug 1730°C27°C33°C 201425°C 199967%
Aug 1830°C27°C32°C 201425°C 199968%
Aug 1930°C27°C33°C 200826°C 199668%
Aug 2030°C27°C33°C 199526°C 200070%
Aug 2130°C27°C33°C 200826°C 199271%
Aug 2230°C27°C33°C 199726°C 199972%
Aug 2330°C27°C33°C 201526°C 199372%
Aug 2430°C27°C33°C 201425°C 199172%
Aug 2530°C27°C33°C 201426°C 199773%
Aug 2630°C27°C34°C 201425°C 200074%
Aug 2730°C27°C34°C 201425°C 200074%
Aug 2830°C27°C33°C 200925°C 199374%
Aug 2930°C27°C33°C 199526°C 199375%
Aug 3030°C27°C33°C 199525°C 199676%
Aug 3130°C27°C34°C 200825°C 199176%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Cancún, in percent.0204060801102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (EST).

August 1
sunrise 6:21 AM, sunset 7:26 PM
August 31
sunrise 6:31 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 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.