782
CXGM50 PGUM 040701
CLMGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
501 PM CHST WED JUN 04 2025
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...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR THE MONTH OF MAY 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1945 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 94 05/30/1971
LOW 70 05/23/1951
05/03/1993
HIGHEST 91 05/24 90 05/17
LOWEST 75 05/11 75 05/03
05/24
AVG. MAXIMUM 88.7 88.6 0.1 87.4
AVG. MINIMUM 77.9 77.8 0.1 77.8
MEAN 83.3
DAYS MAX >= 90 3 8.7 -5.7 1
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 31.15 2023 (02W TYPHOON MAWAR 24.71")
MINIMUM 0.40 1987
TOTALS 1.98 4.45 -2.47 3.82
DAILY AVG. 0.06 0.14 -0.08 0.12
DAYS >= .01 21 19.7 1.3 21
DAYS >= .10 9 9.4 -0.4 8
DAYS >= .50 0 2.3 -2.3 1
DAYS >= 1.00 0 0.7 -0.7 1
DAYS >= 3.00 0
GREATEST
24 HR. TOTAL 0.24 05/27 TO 05/27 1.93 05/23
DEGREE DAYS
COOLING TOTAL 576 564 12 555
SINCE 1/1 2564 2512 52 2482
FREEZE DATES
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WIND (MPH)
AVERAGE WIND SPEED 10.3
RESULTANT WIND SPEED/DIRECTION 10/090
HIGHEST WIND SPEED/DIRECTION 24/070 DATE 05/18
HIGHEST GUST SPEED/DIRECTION 38/070 DATE 05/14
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.27
NUMBER OF DAYS FAIR 27
NUMBER OF DAYS PC 4
NUMBER OF DAYS CLOUDY 0
AVERAGE RH (PERCENT) 73
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 HEAVY RAIN 3
RAIN 4 LIGHT RAIN 25
FOG 0 HAZE 0
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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