679
CDGM40 PGUM 130628
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
428 PM CHST SAT DEC 13 2025
...............................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR DECEMBER 13 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 1:06 PM 90 2014 87 0 86
2018
MINIMUM 79 4:32 AM 61 1966 77 2 76
AVERAGE 83 82 1 81
PRECIPITATION (IN)
TODAY 0.01 1.33 1970 0.16 -0.15 0.20
MONTH TO DATE 1.45 2.45 -1.00 2.04
SINCE DEC 1 1.45 2.45 -1.00 2.04
SINCE JAN 1 91.00 95.27 -4.27 97.69
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 18 17 1 16
MONTH TO DATE 218 221 -3 218
SINCE DEC 1 218 221 -3 218
SINCE JAN 1 5869 5905 -36 5854
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION E (80)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION E (90)
AVERAGE WIND SPEED 12.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88 1:00 AM
LOWEST 68 11:00 AM
AVERAGE 78
......................................................
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 90 2012
2014
2018
MINIMUM TEMPERATURE (F) 77 68 1966
1976
SUNRISE AND SUNSET
DECEMBER 13 2025......SUNRISE 6:35 AM CHST SUNSET 5:55 PM CHST
DECEMBER 14 2025......SUNRISE 6:35 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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