027
CDGM40 PGUM 150650
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
450 PM CHST MON DEC 15 2025
...............................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR DECEMBER 15 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 87 1:33 PM 91 2014 87 0 87
MINIMUM 76 12:22 AM 66 1977 77 -1 75
AVERAGE 82 82 0 81
PRECIPITATION (IN)
TODAY 0.16 2.29 1956 0.16 0.00 0.01
MONTH TO DATE 2.58 2.77 -0.19 2.05
SINCE DEC 1 2.58 2.77 -0.19 2.05
SINCE JAN 1 92.13 95.59 -3.46 97.70
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 250 255 -5 252
SINCE DEC 1 250 255 -5 252
SINCE JAN 1 5901 5939 -38 5888
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 13 RESULTANT WIND DIRECTION E (90)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 12.9
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 1:00 AM
LOWEST 70 1:00 PM
AVERAGE 82
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THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 90 2016
MINIMUM TEMPERATURE (F) 77 67 1963
SUNRISE AND SUNSET
DECEMBER 15 2025......SUNRISE 6:36 AM CHST SUNSET 5:56 PM CHST
DECEMBER 16 2025......SUNRISE 6:36 AM CHST SUNSET 5:56 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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