


Climatological Report (Monthly)
Issued by NWS
Issued by NWS
202 CXUS52 KKEY 011542 CLMMTH CLIMATE REPORT NATIONAL WEATHER SERVICE KEY WEST FL 1142 AM EDT FRI AUG 1 2025 ................................... ...THE MARATHON CLIMATE SUMMARY FOR THE MONTH OF JULY 2025... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1950 TO 2025 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 99 07/24/2023 07/13/2023 07/15/1987 LOW 65 07/26/1953 HIGHEST 93 07/13 91 07/29 07/30 07/31 LOWEST 75 07/14 76 07/01 AVG. MAXIMUM 89.1 90.9 -1.8 90.1 AVG. MINIMUM 80.8 79.4 1.4 83.0 MEAN 85.0 85.2 -0.2 86.5 DAYS MAX >= 90 14 25.5 -11.5 26 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 10.59 2020 MINIMUM 0.31 1961 TOTALS 2.05 3.77 -1.72 1.04 DAILY AVG. 0.07 0.12 -0.05 0.03 DAYS >= .01 13 12.5 0.5 8 DAYS >= .10 5 7.6 -2.6 3 DAYS >= .50 1 2.7 -1.7 1 DAYS >= 1.00 0 1.0 -1.0 0 GREATEST 24 HR. TOTAL 0.76 07/22 TO 07/23 DEGREE DAYS HEATING TOTAL 0 0 0 0 SINCE 7/1 0 0 0 0 COOLING TOTAL 628 625 3 677 SINCE 1/1 2891 2830 61 3021 ................................................................ WIND (MPH) AVERAGE WIND SPEED 7.2 HIGHEST WIND SPEED/DIRECTION 22/180 DATE 07/05 HIGHEST GUST SPEED/DIRECTION 37/190 DATE 07/05 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.19 NUMBER OF DAYS FAIR 31 NUMBER OF DAYS PC 0 NUMBER OF DAYS CLOUDY 0 AVERAGE RH (PERCENT) 75 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 13 MIXED PRECIP 0 HEAVY RAIN 6 RAIN 4 LIGHT RAIN 16 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 7 FOG W/VIS <= 1/4 MILE 0 HAZE 5 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$ MARATHON DAILY RECORDS, JULY 2025 AND 2025-TO-DATE RECORD JUL 2025 2025 ====== ======== ======== MAXIMUM TEMPERATURE 0 0 COOL MAXIMUM TEMPERATURE 1 1 WARM MINIMUM TEMPERATURE 1 12 MINIMUM TEMPERATURE 0 0 RAINFALL 0 2 ROSS