Cancún climate

Cancún Weather in May

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 May 1 to 30°C on May 31, and lows from 25°C to 26°C. Normal precipitation for the month is 90 mm over about 12 wet days.

May 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.20253035151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

May at a glance

Average high
30°C
Average low
25°C
Precipitation
90 mm
Reanalysis high
34°CMay 11, 1998
Reanalysis low
20°CMay 5, 2013
Daylight
12 h 56 min to 13 h 20 min
Cloud cover
44%
Humidity
74%
Dew point
22°C
Wind
11.9 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
May 130°C25°C32°C 199421°C 199219%
May 230°C25°C32°C 199522°C 199220%
May 330°C25°C32°C 202022°C 199220%
May 430°C25°C32°C 201622°C 201321%
May 530°C25°C32°C 199520°C 201320%
May 630°C25°C32°C 202021°C 201721%
May 730°C25°C32°C 199422°C 199222%
May 830°C25°C32°C 199421°C 199223%
May 930°C25°C32°C 199422°C 199224%
May 1030°C25°C32°C 199822°C 200725%
May 1130°C25°C34°C 199823°C 200728%
May 1230°C25°C33°C 199824°C 199629%
May 1330°C25°C32°C 201924°C 200731%
May 1430°C25°C32°C 201123°C 199233%
May 1531°C25°C33°C 201124°C 199336%
May 1631°C26°C32°C 200624°C 201438%
May 1731°C26°C32°C 200823°C 200640%
May 1831°C26°C32°C 201122°C 200642%
May 1931°C26°C33°C 199323°C 200644%
May 2030°C26°C33°C 199523°C 200646%
May 2130°C26°C33°C 199522°C 200947%
May 2230°C26°C33°C 199523°C 200948%
May 2330°C26°C32°C 200324°C 199649%
May 2430°C26°C32°C 199523°C 199251%
May 2530°C26°C32°C 200523°C 199253%
May 2630°C26°C32°C 200523°C 199254%
May 2730°C26°C32°C 201124°C 201855%
May 2830°C26°C32°C 199924°C 201056%
May 2930°C26°C33°C 199924°C 199357%
May 3030°C26°C32°C 199925°C 199657%
May 3130°C26°C31°C 201624°C 200657%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Cancún, in percent.02040601102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (EST).

May 1
sunrise 6:17 AM, sunset 7:13 PM
May 31
sunrise 6:05 AM, sunset 7:25 PM

Every day of May: 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.