457
CDGM40 PGUM 310711
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
511 PM CHST FRI JUL 31 2026
...............................
..THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR JULY 31 2026
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1945 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 87 2:03 PM 91 2013 87 0 86
2020
MINIMUM 76 6:15 AM 68 1970 77 -1 77
AVERAGE 82 82 0 82
PRECIPITATION (IN)
TODAY 0.05 2.50 1962 0.47 -0.42 0.02
MONTH TO DATE 21.01 12.25 8.76 12.99
SINCE JUN 1 26.34 18.76 7.58 26.49
SINCE JAN 1 78.07 38.97 39.10 42.22
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
TODAY 17 17 0 17
MONTH TO DATE 539 542 -3 525
SINCE JUN 1 1068 1094 -26 1034
SINCE JAN 1 3460 3606 -146 3598
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (270)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED 5.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 6:00 AM
LOWEST 75 3:00 PM
AVERAGE 84
......................................................
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 91 2013
MINIMUM TEMPERATURE (F) 77 68 1961
SUNRISE AND SUNSET
JULY 31 2026..........SUNRISE 6:05 AM CHST SUNSET 6:49 PM CHST
AUGUST 1 2026........SUNRISE 6:06 AM CHST SUNSET 6:49 PM CHST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page