Climatological Report (Monthly)
Issued by NWS Key West, FL
Issued by NWS Key West, FL
881
CXUS52 KKEY 012020
CLMEYW
CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
320 PM EST THU JAN 1 2026
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...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
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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
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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
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MAXIMUM TEMPERATURE 0 3
COOL MAXIMUM TEMPERATURE 0 0
WARM MINIMUM TEMPERATURE 0 16
MINIMUM TEMPERATURE 0 0
RAINFALL 0 2
ROSS