711
CDGM40 PGUM 090707
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
507 PM CHST TUE DEC 09 2025
...............................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR DECEMBER 9 2025...
VALID TODAY AS OF 0500 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 87 12:57 PM 90 2018 87 0 86
MINIMUM 77 1:12 AM 61 1980 77 0 76
AVERAGE 82 82 0 81
PRECIPITATION (IN)
TODAY 0.00 1.61 1972 0.18 -0.18 0.00
MONTH TO DATE 1.21 1.77 -0.56 1.75
SINCE DEC 1 1.21 1.77 -0.56 1.75
SINCE JAN 1 90.76 94.59 -3.83 97.40
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
TODAY 17 17 0 16
MONTH TO DATE 152 153 -1 154
SINCE DEC 1 152 153 -1 154
SINCE JAN 1 5803 5837 -34 5790
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION E (70)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NE (50)
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED 9.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 85 12:00 AM
LOWEST 61 12:00 PM
AVERAGE 73
......................................................
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 88 2015
2017
2018
MINIMUM TEMPERATURE (F) 77 65 1983
SUNRISE AND SUNSET
DECEMBER 9 2025......SUNRISE 6:32 AM CHST SUNSET 5:54 PM CHST
DECEMBER 10 2025......SUNRISE 6:33 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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