Islamorada climate

Islamorada Weather in May

NOAA 1991-2020 normals for Islamorada, 1.1 km from Islamorada

Average highs run from 82°F on May 1 to 85°F on May 31, and lows from 75°F to 77°F. Normal precipitation for the month is 2.35 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 Islamorada, in °F, with the record for each date.60708090100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
84°F
Average low
76°F
Precipitation
2.35 in
Record high
96°FMay 14, 2019
Record low
64°FMay 8, 2016
Chance of a freeze
0%
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 182°F75°F89°F 200269°F 200616%
May 283°F75°F93°F 201969°F 199916%
May 383°F75°F92°F 201969°F 199916%
May 483°F75°F92°F 201967°F 200616%
May 583°F75°F95°F 201969°F 200617%
May 683°F75°F95°F 201969°F 201617%
May 783°F75°F92°F 201968°F 201617%
May 883°F76°F93°F 201964°F 201618%
May 983°F76°F92°F 201967°F 200118%
May 1083°F76°F92°F 201967°F 202018%
May 1183°F76°F92°F 200869°F 200519%
May 1283°F76°F95°F 201972°F 202219%
May 1383°F76°F95°F 201972°F 200120%
May 1483°F76°F96°F 201970°F 200120%
May 1584°F76°F92°F 199872°F 200721%
May 1684°F76°F91°F 201170°F 200122%
May 1784°F76°F94°F 201069°F 200122%
May 1884°F76°F93°F 201669°F 200123%
May 1984°F76°F93°F 200871°F 199823%
May 2084°F77°F92°F 200869°F 200624%
May 2184°F77°F92°F 200873°F 200524%
May 2284°F77°F93°F 200872°F 202125%
May 2384°F77°F92°F 200871°F 201425%
May 2484°F77°F92°F 200872°F 201425%
May 2585°F77°F92°F 200372°F 200126%
May 2685°F77°F93°F 201772°F 200426%
May 2785°F77°F93°F 201772°F 200427%
May 2885°F77°F93°F 201773°F 200827%
May 2985°F77°F92°F 201774°F 201327%
May 3085°F77°F92°F 200571°F 199928%
May 3185°F77°F93°F 200573°F 199928%

Chance of rain

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

Sunrise and sunset

Times for 2026, local time (EDT).

May 1
sunrise 6:47 AM, sunset 7:53 PM
May 31
sunrise 6:33 AM, sunset 8:08 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00084320 (Islamorada), public domain. Records: NOAA GHCN-Daily, station USW00012896, 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.