Climatological Report (Monthly)
Issued by NWS Key West, FL

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881
CXUS52 KKEY 012020
CLMEYW

CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
320 PM EST THU JAN 1 2026

...................................

...THE KEY WEST CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1871 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             88   12/24/1876
                       12/23/1876
 LOW              44   12/24/1989
                       12/27/1985
                       12/29/1894
HIGHEST           83   12/01                          82  12/18
                       12/07
LOWEST            58   12/31                          58  12/12
AVG. MAXIMUM    78.8               77.7     1.1     76.2
AVG. MINIMUM    69.7               68.3     1.4     67.3
MEAN            74.2               73.0     1.2     71.7
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                0.0     0.0        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       11.18   1986
 MINIMUM        0.05   2005
TOTALS          0.97               2.16   -1.19     3.31
DAILY AVG.      0.03               0.07   -0.04     0.11
DAYS >= .01        3                6.4    -3.4        9
DAYS >= .10        2                3.1    -1.1        3
DAYS >= .50        0                1.0    -1.0        2
DAYS >= 1.00       0                0.7    -0.7        2
GREATEST
 24 HR. TOTAL   0.51   12/13 TO 12/14


DEGREE DAYS
HEATING TOTAL      4                 10      -6        0
 SINCE 7/1         5                 10      -5        0
COOLING TOTAL    297                258      39      219
 SINCE 1/1      5235               5120     115     5496
................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.1
HIGHEST WIND SPEED/DIRECTION    23/260    DATE  12/08
                                23/340          12/30
HIGHEST GUST SPEED/DIRECTION    36/250    DATE  12/08

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.21
NUMBER OF DAYS FAIR           26
NUMBER OF DAYS PC              4
NUMBER OF DAYS CLOUDY          1

AVERAGE RH (PERCENT)     85

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              2     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       3
LIGHT RAIN                5     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       4     FOG W/VIS <= 1/4 MILE      0
HAZE                      2

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$

KEY WEST DAILY RECORDS, DECEMBER 2025 AND 2025

RECORD                    DEC 2025     2025
======                    ========   ========
MAXIMUM TEMPERATURE           0          3
COOL MAXIMUM TEMPERATURE      0          0
WARM MINIMUM TEMPERATURE      0         16
MINIMUM TEMPERATURE           0          0
RAINFALL                      0          2

ROSS