417
CDGM40 PGUM 220626
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
426 PM CHST MON DEC 22 2025
...............................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR DECEMBER 22 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 81 12:02 AM 89 2014 87 -6 86
2015
2018
MINIMUM 74 11:27 AM 62 1986 77 -3 77
AVERAGE 78 82 -4 82
PRECIPITATION (IN)
TODAY 1.41R 1.40 1947 0.15 1.26 0.60
MONTH TO DATE 5.03 3.84 1.19 4.28
SINCE DEC 1 5.03 3.84 1.19 4.28
SINCE JAN 1 94.58 96.66 -2.08 99.93
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 13 17 -4 17
MONTH TO DATE 363 374 -11 367
SINCE DEC 1 363 374 -11 367
SINCE JAN 1 6014 6058 -44 6003
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION E (70)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 10.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HEAVY RAIN
RAIN
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 1:00 PM
LOWEST 79 3:00 AM
AVERAGE 88
......................................................
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 90 2014
MINIMUM TEMPERATURE (F) 77 68 1981
1986
1990
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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