Cudjoe Key climate

Cudjoe Key Weather in May

NOAA 1991-2020 normals for Key West Nas, 21.2 km from Cudjoe Key

Average highs run from 84°F on May 1 to 87°F on May 31, and lows from 75°F to 78°F. Normal precipitation for the month is 3.44 in over about 7 wet days.

May day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Cudjoe Key, in °F, with the record for each date.5060708090100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
86°F
Average low
77°F
Precipitation
3.44 in
Record high
96°FMay 10, 2026
Record low
59°FMay 20, 2021
Chance of a freeze
0%
Days of 90°F or more
2.3
Daylight
13 h 05 min to 13 h 34 min
Cloud cover
42%
Humidity
76%
Dew point
72°F
Wind
11.6 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation.

DateNormal highNormal lowRecord highRecord lowChance wet
May 184°F75°F91°F 202466°F 197917%
May 284°F76°F91°F 202268°F 196118%
May 384°F76°F90°F 202268°F 199218%
May 485°F76°F91°F 202270°F 195518%
May 585°F76°F93°F 202466°F 196818%
May 685°F76°F92°F 202566°F 197019%
May 785°F76°F94°F 202266°F 197019%
May 885°F76°F92°F 202267°F 196819%
May 985°F76°F93°F 202265°F 199220%
May 1085°F76°F96°F 202666°F 199320%
May 1185°F76°F94°F 202469°F 195821%
May 1285°F77°F92°F 200370°F 195821%
May 1385°F77°F92°F 196769°F 195422%
May 1485°F77°F93°F 202468°F 196022%
May 1585°F77°F93°F 202468°F 202123%
May 1686°F77°F94°F 202468°F 198823%
May 1786°F77°F93°F 202470°F 200124%
May 1886°F77°F95°F 202471°F 197325%
May 1986°F77°F94°F 202469°F 199425%
May 2086°F77°F93°F 202259°F 202126%
May 2186°F77°F95°F 202561°F 202126%
May 2286°F78°F96°F 202570°F 200927%
May 2386°F78°F94°F 202570°F 199227%
May 2486°F78°F93°F 202270°F 199228%
May 2586°F78°F93°F 202269°F 198528%
May 2686°F78°F94°F 202271°F 198529%
May 2787°F78°F92°F 196971°F 195929%
May 2887°F78°F93°F 202570°F 196830%
May 2987°F78°F93°F 202466°F 197030%
May 3087°F78°F93°F 196970°F 197030%
May 3187°F78°F94°F 202471°F 197031%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Cudjoe Key, in percent.0102030401102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (EDT).

May 1
sunrise 6:51 AM, sunset 7:56 PM
May 31
sunrise 6:37 AM, sunset 8:11 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00012850 (Key West Nas), public domain. Records: NOAA GHCN-Daily, station USW00012850, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: 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.