Climatological Report (Monthly)
Issued by NWS Key West, FL
Issued by NWS Key West, FL
964
CXUS52 KKEY 040043
CLMEYW
CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
843 PM EDT WED SEP 03 2025
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...THE KEY WEST CLIMATE SUMMARY FOR THE MONTH OF AUGUST 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 97 08/26/1956
LOW 68 08/06/1913
08/04/1894
HIGHEST 94 08/18 96 08/15
08/20
LOWEST 75 08/08 75 08/30
08/09
08/27
AVG. MAXIMUM 90.7 90.6 0.1 91.0
AVG. MINIMUM 80.4 80.5 -0.1 81.2
MEAN 85.5 85.5 0.0 86.1
DAYS MAX >= 90 24 19.9 4.1 23
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 15.83 1926
MINIMUM 0.92 1915
TOTALS 4.59 5.37 -0.78 9.04
DAILY AVG. 0.15 0.17 -0.02 0.29
DAYS >= .01 16 14.6 1.4 20
DAYS >= .10 12 9.1 2.9 14
DAYS >= .50 3 3.1 -0.1 6
DAYS >= 1.00 0 1.4 -1.4 3
GREATEST
24 HR. TOTAL 0.73 08/08 TO 08/09
DEGREE DAYS
HEATING TOTAL 0 0 0 0
SINCE 7/1 0 0 0 0
COOLING TOTAL 644 637 7 663
SINCE 1/1 3529 3436 93 3709
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WIND (MPH)
AVERAGE WIND SPEED 6.6
HIGHEST WIND SPEED/DIRECTION 26/330 DATE 08/23
HIGHEST GUST SPEED/DIRECTION 44/100 DATE 08/26
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.22
NUMBER OF DAYS FAIR 28
NUMBER OF DAYS PC 3
NUMBER OF DAYS CLOUDY 0
AVERAGE RH (PERCENT) 79
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 19 MIXED PRECIP 0
HEAVY RAIN 11 RAIN 7
LIGHT RAIN 17 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 11 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, AUGUST 2025 AND 2025-TO-DATE
RECORD AUG 2025 2025
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MAXIMUM TEMPERATURE 1 2
COOL MAXIMUM TEMPERATURE 0 0
WARM MINIMUM TEMPERATURE 1 13
MINIMUM TEMPERATURE 0 0
RAINFALL 0 2
BT