917
CDGM40 PGUM 270641
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
441 PM CHST SUN JUL 27 2025
...............................
..THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR JULY 27 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1945 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 83 11:33 AM 92 2013 88 -5 89
2018
MINIMUM 75 12:37 PM 72 1969 77 -2 74
1989
AVERAGE 79 82 -3 82
PRECIPITATION (IN)
TODAY 0.75 2.88 1962 0.47 0.28 0.18
MONTH TO DATE 11.92 10.36 1.56 6.54
SINCE JUN 1 25.42 16.87 8.55 14.54
SINCE JAN 1 41.15 37.08 4.07 31.41
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
TODAY 14 17 -3 17
MONTH TO DATE 453 475 -22 474
SINCE JUN 1 962 1027 -65 1005
SINCE JAN 1 3526 3539 -13 3486
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION SW (240)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED 11.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HEAVY RAIN
RAIN
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94 1:00 PM
LOWEST 77 9:00 AM
AVERAGE 86
......................................................
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 93 2013
MINIMUM TEMPERATURE (F) 77 73 1950
1952
SUNRISE AND SUNSET
JULY 27 2025..........SUNRISE 6:05 AM CHST SUNSET 6:50 PM CHST
JULY 28 2025..........SUNRISE 6:05 AM CHST SUNSET 6:50 PM CHST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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