139
CDGM40 PGUM 200635
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
435 PM CHST MON JUL 20 2026
...............................
..THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR JULY 20 2026
VALID TODAY AS OF 0400 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 86 3:18 PM 91 2020 88 -2 83
MINIMUM 78 1:57 AM 68 1975 77 1 76
AVERAGE 82 82 0 80
PRECIPITATION (IN)
TODAY 0.10 4.39 1971 0.42 -0.32 2.04
MONTH TO DATE 20.50 7.13 13.37 8.15
SINCE JUN 1 25.83 13.64 12.19 21.65
SINCE JAN 1 77.56 33.85 43.71 37.38
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 15
MONTH TO DATE 341 356 -15 347
SINCE JUN 1 870 908 -38 856
SINCE JAN 1 3262 3420 -158 3420
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION SE (140)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SE (150)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (160)
AVERAGE WIND SPEED 9.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
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) 88 91 2013
MINIMUM TEMPERATURE (F) 77 67 1986
SUNRISE AND SUNSET
JULY 20 2026..........SUNRISE 6:03 AM CHST SUNSET 6:52 PM CHST
JULY 21 2026..........SUNRISE 6:03 AM CHST SUNSET 6:51 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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