Climatological Report (Daily)
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
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791
CDGM40 PGUM 200628
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
428 PM CHST THU NOV 20 2025
...................................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR NOVEMBER 20 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 88 10:27 AM 90 2015 88 0 87
2018
MINIMUM 79 12:50 PM 63 1975 77 2 77
AVERAGE 84 82 2 82
PRECIPITATION (IN)
TODAY 0.03 3.28 1981 0.26 -0.23 0.09
MONTH TO DATE 5.13 5.82 -0.69 4.39
SINCE SEP 1 32.83 33.72 -0.89 46.86
SINCE JAN 1 88.11 90.35 -2.24 94.08
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
TODAY 19 18 1 17
MONTH TO DATE 348 356 -8 336
SINCE SEP 1 1345 1388 -43 1358
SINCE JAN 1 5474 5516 -42 5456
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 16 RESULTANT WIND DIRECTION E (80)
HIGHEST WIND SPEED 27 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 16.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82 1:00 AM
LOWEST 66 12:00 PM
AVERAGE 74
..........................................................
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 90 2014
MINIMUM TEMPERATURE (F) 77 63 1961
SUNRISE AND SUNSET
NOVEMBER 20 2025......SUNRISE 6:22 AM CHST SUNSET 5:50 PM CHST
NOVEMBER 21 2025......SUNRISE 6:23 AM CHST SUNSET 5:50 PM CHST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$