Climatological Report (Daily)
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
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CDGM40 PGUM 010626
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
426 PM CHST MON DEC 01 2025
...................................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR DECEMBER 1 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 86 1:14 PM 90 2014 87 -1 87
MINIMUM 76 1:44 AM 65 1979 77 -1 76
AVERAGE 81 82 -1 82
PRECIPITATION (IN)
TODAY 0.20 2.66 2021 0.21 -0.01 0.03
MONTH TO DATE 0.20 0.21 -0.01 0.03
SINCE DEC 1 0.20 0.21 -0.01 0.03
SINCE JAN 1 89.75 93.03 -3.28 95.68
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 16 17 -1 17
MONTH TO DATE 16 17 -1 17
SINCE DEC 1 16 17 -1 17
SINCE JAN 1 5667 5701 -34 5653
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION E (110)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION MM
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 12:00 AM
LOWEST 74 2:00 PM
AVERAGE 84
..........................................................
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 90 2010
2015
2018
MINIMUM TEMPERATURE (F) 77 65 1979
SUNRISE AND SUNSET
DECEMBER 1 2025......SUNRISE 6:28 AM CHST SUNSET 5:51 PM CHST
DECEMBER 2 2025......SUNRISE 6:28 AM CHST SUNSET 5:52 PM CHST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$