534
CDGM40 PGUM 211604
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
204 AM CHST MON DEC 22 2025
...............................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR DECEMBER 21 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 86 12:12 PM 89 2014 87 -1 86
MINIMUM 79 6:15 AM 61 1967 77 2 79
AVERAGE 83 82 1 83
PRECIPITATION (IN)
YESTERDAY T 1.90 1990 0.16 -0.16 T
MONTH TO DATE 3.62 3.69 -0.07 3.68
SINCE DEC 1 3.62 3.69 -0.07 3.68
SINCE JAN 1 93.17 96.51 -3.34 99.33
DEGREE DAYS
HEATING
YESTERDAY 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
YESTERDAY 18 17 1 18
MONTH TO DATE 350 357 -7 350
SINCE DEC 1 350 357 -7 350
SINCE JAN 1 6001 6041 -40 5986
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WIND (MPH)
RESULTANT WIND SPEED 15 RESULTANT WIND DIRECTION NE (60)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NE (50)
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 15.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 85 1:00 AM
LOWEST 59 3:00 PM
AVERAGE 72
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THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 89 2014
2015
2018
MINIMUM TEMPERATURE (F) 77 62 1986
SUNRISE AND SUNSET
DECEMBER 22 2025......SUNRISE 6:39 AM CHST SUNSET 5:59 PM CHST
DECEMBER 23 2025......SUNRISE 6:40 AM CHST SUNSET 6:00 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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