Duck Key climate

Duck Key Weather in May

NOAA 1991-2020 normals for Duck Key, 0.5 km from Duck Key

Average highs run from 84°F on May 1 to 86°F on May 31, and lows from 74°F to 77°F. Normal precipitation for the month is 2.74 in over about 5 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 Duck Key, 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
75°F
Precipitation
2.74 in
Record high
96°FMay 14, 2019
Record low
64°FMay 8, 2016
Chance of a freeze
0%
Days of 90°F or more
1.0
Daylight
13 h 06 min to 13 h 35 min
Cloud cover
54%
Humidity
74%
Dew point
71°F
Wind
10.5 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°F89°F 200269°F 200615%
May 284°F74°F93°F 201969°F 199915%
May 384°F74°F92°F 201969°F 199915%
May 484°F74°F92°F 201967°F 200615%
May 584°F74°F95°F 201969°F 200616%
May 684°F74°F95°F 201969°F 201616%
May 784°F74°F92°F 201968°F 201616%
May 884°F74°F93°F 201964°F 201616%
May 984°F74°F92°F 201967°F 200116%
May 1084°F74°F92°F 201967°F 202016%
May 1184°F75°F92°F 200869°F 200517%
May 1284°F75°F95°F 201972°F 202217%
May 1385°F75°F95°F 201972°F 200117%
May 1485°F75°F96°F 201970°F 200118%
May 1585°F75°F92°F 199872°F 200718%
May 1685°F75°F91°F 201170°F 200118%
May 1785°F75°F94°F 201069°F 200119%
May 1885°F75°F93°F 201669°F 200119%
May 1985°F75°F93°F 200871°F 199820%
May 2085°F76°F92°F 200869°F 200620%
May 2185°F76°F92°F 200873°F 200520%
May 2285°F76°F93°F 200872°F 202121%
May 2385°F76°F92°F 200871°F 201421%
May 2486°F76°F92°F 200872°F 201422%
May 2586°F76°F92°F 200372°F 200122%
May 2686°F76°F93°F 201772°F 200422%
May 2786°F76°F93°F 201772°F 200423%
May 2886°F77°F93°F 201773°F 200823%
May 2986°F77°F92°F 201774°F 201324%
May 3086°F77°F92°F 200571°F 199924%
May 3186°F77°F93°F 200573°F 199925%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Duck Key, in percent.05101520251102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (EDT).

May 1
sunrise 6:48 AM, sunset 7:54 PM
May 31
sunrise 6:34 AM, sunset 8:09 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00082441 (Duck Key), 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.