648
CDGM40 PGUM 300725
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
525 PM CHST TUE JUN 30 2026
...............................
..THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR JUNE 30 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 89 MM 91 2001 89 0 88
2016
2020
MINIMUM 79 MM 70 1975 78 1 76
1986
1989
AVERAGE 84 83 1 82
PRECIPITATION (IN)
TODAY 0.02 1.32 2002 0.29 -0.27 0.34
MONTH TO DATE 5.32 6.51 -1.19 13.50
SINCE JUN 1 5.32 6.51 -1.19 13.50
SINCE JAN 1 57.05 26.72 30.33 29.23
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 19 18 1 17
MONTH TO DATE 530 552 -22 509
SINCE JUN 1 530 552 -22 509
SINCE JAN 1 2922 3064 -142 3073
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION E (100)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION E (110)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 4.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 4:00 AM
LOWEST 66 1:00 PM
AVERAGE 78
......................................................
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 93 2018
MINIMUM TEMPERATURE (F) 78 68 1975
SUNRISE AND SUNSET
JUNE 30 2026..........SUNRISE 5:57 AM CHST SUNSET 6:52 PM CHST
JULY 1 2026..........SUNRISE 5:57 AM CHST SUNSET 6:52 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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