Key Largo climate

Key Largo Weather in May

NOAA 1991-2020 normals for Tavernier, 11.6 km from Key Largo

Average highs run from 84°F on May 1 to 87°F on May 31, and lows from 74°F to 76°F. Normal precipitation for the month is 3.81 in over about 6 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 Key Largo, in °F, with the record for each date.60708090100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
86°F
Average low
75°F
Precipitation
3.81 in
Record high
94°FMay 20, 2024
Record low
60°FMay 8, 2016
Chance of a freeze
0%
Days of 90°F or more
0.6
Daylight
13 h 06 min to 13 h 35 min
Cloud cover
54%
Humidity
74%
Dew point
71°F
Wind
11.0 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°F74°F88°F 202166°F 200616%
May 284°F74°F90°F 202165°F 202016%
May 384°F74°F89°F 202666°F 200616%
May 485°F74°F89°F 201464°F 200617%
May 585°F74°F89°F 202165°F 200617%
May 685°F74°F89°F 202066°F 201317%
May 785°F74°F89°F 202064°F 201617%
May 885°F74°F93°F 202160°F 201617%
May 985°F75°F93°F 202162°F 200718%
May 1085°F75°F88°F 201962°F 200718%
May 1185°F75°F90°F 202466°F 201718%
May 1285°F75°F91°F 202467°F 201719%
May 1385°F75°F90°F 202164°F 200619%
May 1485°F75°F90°F 201967°F 200620%
May 1585°F75°F91°F 201970°F 200520%
May 1686°F75°F93°F 202468°F 201121%
May 1786°F75°F93°F 202469°F 200621%
May 1886°F75°F91°F 202066°F 200622%
May 1986°F75°F92°F 202467°F 200622%
May 2086°F75°F94°F 202465°F 202223%
May 2186°F76°F90°F 201568°F 202223%
May 2286°F76°F90°F 201569°F 200724%
May 2386°F76°F91°F 202569°F 200724%
May 2486°F76°F91°F 201369°F 200725%
May 2586°F76°F91°F 202569°F 200725%
May 2686°F76°F91°F 202467°F 202326%
May 2787°F76°F91°F 202470°F 201026%
May 2887°F76°F91°F 202471°F 200627%
May 2987°F76°F92°F 201770°F 200627%
May 3087°F76°F92°F 202472°F 200928%
May 3187°F76°F92°F 202472°F 200928%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Key Largo, in percent.01020301102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (EDT).

May 1
sunrise 6:46 AM, sunset 7:52 PM
May 31
sunrise 6:32 AM, sunset 8:07 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00088841 (Tavernier), public domain. Records: NOAA GHCN-Daily, station USC00084412, 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.