233
CDUS42 KKEY 182127
CLIEYW
CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
427 PM EST THU DEC 18 2025
...............................
..THE KEY WEST CLIMATE SUMMARY FOR DECEMBER 18 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1871 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 79 313 PM 87 1880 78 1 82
MINIMUM 70 509 AM 52 1882 68 2 73
AVERAGE 75 73 2 78
PRECIPITATION (IN)
TODAY 0.00 3.28 2009 0.07 -0.07 0.03
MONTH TO DATE 0.97 1.30 -0.33 0.26
SINCE DEC 1 0.97 1.30 -0.33 0.26
SINCE JAN 1 39.78 39.58 0.20 46.06
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JUL 1 1 0 1 0
COOLING
TODAY 10 8 2 13
MONTH TO DATE 185 162 23 121
SINCE DEC 1 185 162 23 121
SINCE JAN 1 5123 5024 99 5398
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SE (130)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION SE (140)
AVERAGE WIND SPEED 9.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100
LOWEST 82
AVERAGE 91
......................................................
THE KEY WEST CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 85 2016
MINIMUM TEMPERATURE (F) 68 51 1901
SUNRISE AND SUNSET
DECEMBER 18 2025......SUNRISE 705 AM EST SUNSET 542 PM EST
DECEMBER 19 2025......SUNRISE 706 AM EST SUNSET 543 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page