Climatological Report (Monthly)
Issued by NWS Key West, FL
Issued by NWS Key West, FL
886
CXUS52 KKEY 020328
CLMEYW
CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
1128 PM EDT MON JUN 1 2026
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...THE KEY WEST CLIMATE SUMMARY FOR THE MONTH OF MAY 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 94 05/14/2019
LOW 63 05/08/2016
05/02/1877
HIGHEST 92 05/08 92 05/23
LOWEST 76 05/06 73 05/12
05/14
AVG. MAXIMUM 88.5 85.9 2.6 86.5
AVG. MINIMUM 80.9 76.4 4.5 79.3
MEAN 84.7 81.1 3.6 82.9
DAYS MAX >= 90 7 0.5 6.5 3
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 14.17 2018
MINIMUM T 1927
TOTALS 1.81 3.12 -1.31 1.40
DAILY AVG. 0.06 0.10 -0.04 0.05
DAYS >= .01 16 7.5 8.5 4
DAYS >= .10 6 4.1 1.9 2
DAYS >= .50 0 1.7 -1.7 1
DAYS >= 1.00 0 0.9 -0.9 1
GREATEST
24 HR. TOTAL 0.43 05/19 TO 05/20
DEGREE DAYS
HEATING TOTAL 0 0 0 0
SINCE 7/1 77 46 31 19
COOLING TOTAL 620 501 119 562
SINCE 1/1 1787 1595 192 1668
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WIND (MPH)
AVERAGE WIND SPEED 9.7
HIGHEST WIND SPEED/DIRECTION 28/150 DATE 05/20
HIGHEST GUST SPEED/DIRECTION 42/140 DATE 05/26
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.30
NUMBER OF DAYS FAIR 21
NUMBER OF DAYS PC 9
NUMBER OF DAYS CLOUDY 0
AVERAGE RH (PERCENT) 72
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 4 MIXED PRECIP 0
HEAVY RAIN 4 RAIN 7
LIGHT RAIN 13 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 2 FOG W/VIS <= 1/4 MILE 0
HAZE 1
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$
KEY WEST DAILY RECORDS, MAY 2026 AND 2026
RECORD MAY 2026 2026
====== ======== ========
MAXIMUM TEMPERATURE 4 5
COOL MAXIMUM TEMPERATURE 0 3
WARM MINIMUM TEMPERATURE 13 17
MINIMUM TEMPERATURE 0 3
RAINFALL 0 1
TOP 10 WARMEST MAYS ON RECORD FOR KEY WEST
RANKING YEAR AVERAGE (DEG F)
======= ==== ===============
1 2026 84.7 <---
2024 84.7
3 1995 83.5
4 2025 82.9
1873 82.9
6 1967 82.8
7 2019 82.5
8 1975 82.4
9 1991 82.2
1953 82.2
TOP 10 WARMEST SPRINGS (MARCH-APRIL-MAY) ON RECORD FOR KEY WEST
RANKING YEAR AVERAGE (DEG F)
======= ==== ===============
1 2026 80.5 <---
2 2024 80.0
3 2023 79.7
2020 79.7
5 2015 79.6
6 1991 79.5
1975 79.5
8 1965 79.4
9 2019 79.3
1982 79.3
ROSS