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CXGM50 PGUM 081233
CLMGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
1033 PM CHST SUN FEB 08 2026
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...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR THE MONTH OF JANUARY 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1945 TO 2026
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 94 01/09/1989
LOW 66 01/18/2000
HIGHEST 87 01/10 88 01/14
01/29 01/30
LOWEST 72 01/29 73 01/19
01/22
AVG. MAXIMUM 84.9 85.9 -1.0 85.8
AVG. MINIMUM 75.5 75.4 0.1 76.5
MEAN 80.2
DAYS MAX >= 90 0 0.2 -0.2 0
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 0.0 0.0 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 18.09 1976 (TY KATHY 9.52")
MINIMUM 0.89 2018
TOTALS 5.40 5.34 0.06 5.35
DAILY AVG. 0.17 0.17 -0.00 0.17
DAYS >= .01 25 20.1 4.9 17
DAYS >= .10 13 11.0 2.0 9
DAYS >= .50 3 2.7 0.3 2
DAYS >= 1.00 1 1.1 -0.1 1
DAYS >= 3.00 0
GREATEST
24 HR. TOTAL 1.24 01/21 TO 01/21 3.32 01/07
DEGREE DAYS
COOLING TOTAL 481 485 -4 507
SINCE 1/1 481 485 -4 507
FREEZE DATES
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WIND (MPH)
AVERAGE WIND SPEED 8.7
RESULTANT WIND SPEED/DIRECTION 7/080
HIGHEST WIND SPEED/DIRECTION 27/050 DATE 01/10
HIGHEST GUST SPEED/DIRECTION 36/050 DATE 01/10
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.40
NUMBER OF DAYS FAIR 16
NUMBER OF DAYS PC 12
NUMBER OF DAYS CLOUDY 3
AVERAGE RH (PERCENT) 81
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 2 HEAVY RAIN 5
RAIN 11 LIGHT RAIN 28
FOG 0 HAZE 0
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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