840
CDGM40 PGUM 301645
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
245 AM CHST FRI OCT 31 2025
...............................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR OCTOBER 30 2025...
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)
YESTERDAY
MAXIMUM 85 12:41 PM 90 2008 88 -3 89
MINIMUM 76 3:40 AM 65 1985 77 -1 77
AVERAGE 81 82 -1 83
PRECIPITATION (IN)
YESTERDAY 0.15 1.67 2009 0.32 -0.17 0.05
MONTH TO DATE 15.29 12.41 2.88 17.80
SINCE SEP 1 27.63 27.58 0.05 42.18
SINCE JAN 1 82.91 84.21 -1.30 89.40
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 16 17 -1 18
MONTH TO DATE 492 510 -18 492
SINCE SEP 1 981 1012 -31 1006
SINCE JAN 1 5110 5140 -30 5104
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WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION E (80)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 7.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 2:00 AM
LOWEST 70 12:00 PM
AVERAGE 83
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THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 90 2013
2018
2019
MINIMUM TEMPERATURE (F) 77 67 1963
SUNRISE AND SUNSET
OCTOBER 31 2025.......SUNRISE 6:15 AM CHST SUNSET 5:54 PM CHST
NOVEMBER 1 2025......SUNRISE 6:15 AM CHST SUNSET 5:54 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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