421
CDGM40 PGUM 120625
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
425 PM CHST FRI DEC 12 2025
...............................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR DECEMBER 12 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 88 11:09 AM 89 2014 87 1 87
2018
MINIMUM 76 2:24 AM 61 1962 77 -1 75
AVERAGE 82 82 0 81
PRECIPITATION (IN)
TODAY 0.02 4.47 2016 0.16 -0.14 0.00
MONTH TO DATE 1.44 2.29 -0.85 1.84
SINCE DEC 1 1.44 2.29 -0.85 1.84
SINCE JAN 1 90.99 95.11 -4.12 97.49
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 200 204 -4 202
SINCE DEC 1 200 204 -4 202
SINCE JAN 1 5851 5888 -37 5838
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION NE (60)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NE (50)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 10.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94 3:00 AM
LOWEST 61 3:00 PM
AVERAGE 78
......................................................
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 90 2014
2018
MINIMUM TEMPERATURE (F) 77 61 1966
SUNRISE AND SUNSET
DECEMBER 12 2025......SUNRISE 6:34 AM CHST SUNSET 5:55 PM CHST
DECEMBER 13 2025......SUNRISE 6:35 AM CHST SUNSET 5:55 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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