North Key Largo climate

North Key Largo Weather in May

NOAA 1991-2020 normals for John Pennekamp SP, 8.6 km from North Key Largo

Average highs run from 84°F on May 1 to 87°F on May 31, and lows from 73°F to 76°F. Normal precipitation for the month is 4.76 in.

May day by day

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

Normal daily high and low temperature at North 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
85°F
Average low
74°F
Precipitation
4.76 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 07 min to 13 h 36 min
Cloud cover
54%
Humidity
71%
Dew point
70°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°F73°F88°F 202166°F 2006
May 284°F73°F90°F 202165°F 2020
May 384°F73°F89°F 202666°F 2006
May 484°F73°F89°F 201464°F 2006
May 584°F73°F89°F 202165°F 2006
May 684°F73°F89°F 202066°F 2013
May 784°F73°F89°F 202064°F 2016
May 885°F74°F93°F 202160°F 2016
May 985°F74°F93°F 202162°F 2007
May 1085°F74°F88°F 201962°F 2007
May 1185°F74°F90°F 202466°F 2017
May 1285°F74°F91°F 202467°F 2017
May 1385°F74°F90°F 202164°F 2006
May 1485°F74°F90°F 201967°F 2006
May 1585°F74°F91°F 201970°F 2005
May 1685°F74°F93°F 202468°F 2011
May 1785°F74°F93°F 202469°F 2006
May 1885°F74°F91°F 202066°F 2006
May 1985°F74°F92°F 202467°F 2006
May 2085°F75°F94°F 202465°F 2022
May 2185°F75°F90°F 201568°F 2022
May 2286°F75°F90°F 201569°F 2007
May 2386°F75°F91°F 202569°F 2007
May 2486°F75°F91°F 201369°F 2007
May 2586°F75°F91°F 202569°F 2007
May 2686°F75°F91°F 202467°F 2023
May 2786°F75°F91°F 202470°F 2010
May 2886°F75°F91°F 202471°F 2006
May 2986°F75°F92°F 201770°F 2006
May 3086°F76°F92°F 202472°F 2009
May 3187°F76°F92°F 202472°F 2009

Chance of rain

Sunrise and sunset

Times for 2026, local time (EDT).

May 1
sunrise 6:45 AM, sunset 7:52 PM
May 31
sunrise 6:31 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 USC00084412 (John Pennekamp SP), 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.