Climatological Report (Monthly)
Issued by NWS Key West, FL
Issued by NWS Key West, FL
661
CXUS52 KKEY 012004
CLMEYW
CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
404 PM EDT TUE SEP 1 2026
...................................
...THE KEY WEST CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2026...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1871 TO 2026
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
................................................................
TEMPERATURE (F)
RECORD
HIGH 97 08/26/1956
LOW 68 08/06/1913
08/04/1894
HIGHEST 93 08/03 94 08/18
08/18
08/19
08/20
LOWEST 74 08/06 75 08/08
08/09
08/27
AVG. MAXIMUM 90.4 90.6 -0.2 90.7
AVG. MINIMUM 81.6 80.5 1.1 80.4
MEAN 86.0 85.5 0.5 85.5
DAYS MAX >= 90 25 19.9 5.1 24
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 3.06 5.37 -2.31 4.59
DAILY AVG. 0.10 0.17 -0.07 0.15
DAYS >= .01 13 14.6 -1.6 16
DAYS >= .10 7 9.1 -2.1 12
DAYS >= .50 3 3.1 -0.1 3
DAYS >= 1.00 0 1.4 -1.4 0
GREATEST
24 HR. TOTAL 1.01 08/05 TO 08/06
DEGREE DAYS
HEATING TOTAL 0 0 0 0
SINCE 7/1 0 0 0 0
COOLING TOTAL 660 637 23 644
SINCE 1/1 3712 3436 276 3529
................................................................
WIND (MPH)
AVERAGE WIND SPEED 7.6
HIGHEST WIND SPEED/DIRECTION 32/140 DATE 08/06
HIGHEST GUST SPEED/DIRECTION 50/150 DATE 08/06
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.21
NUMBER OF DAYS FAIR 30
NUMBER OF DAYS PC 1
NUMBER OF DAYS CLOUDY 0
AVERAGE RH (PERCENT) 74
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 16 MIXED PRECIP 0
HEAVY RAIN 4 RAIN 5
LIGHT RAIN 11 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 5 FOG W/VIS <= 1/4 MILE 0
HAZE 0
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$
KEY WEST DAILY RECORDS, AUGUST 2026 AND 2026
RECORD AUG 2026 2026
====== ======== ========
MAXIMUM TEMPERATURE 0 6
COOL MAXIMUM TEMPERATURE 0 3
WARM MINIMUM TEMPERATURE 3 29
MINIMUM TEMPERATURE 0 3
RAINFALL 0 2
TOP 10 WARMEST AUGUSTS ON RECORD FOR KEY WEST
RANKING YEAR AVERAGE (DEG F)
======= ==== ===============
1 2007 87.5
2 2023 87.4
3 2020 87.2
4 1956 86.6
5 2014 86.4
6 2009 86.3
1951 86.3
8 2024 86.1
9 2026 86.0 <---
2019 86.0
2003 86.0
1878 86.0
TOP 10 WARMEST SUMMERS ON RECORD FOR KEY WEST
RANKING YEAR AVERAGE (DEG F)
======= ==== ===============
1 2023 86.8
2 2020 86.1
3 2024 85.8
2007 85.8
5 2026 85.7 <---
6 1881 85.6
7 2019 85.4
2014 85.4
1957 85.4
10 2018 85.2
2009 85.2
1998 85.2
1878 85.2
ROSS