948
CXGM50 PGUM 020813
CLMGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
613 PM CHST THU JUL 02 2026
...............................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR THE MONTH OF JUNE 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 95 06/30/1969
LOW 70 06/22/1966
06/14/1958
06/12/1949
HIGHEST 89 06/11 90 06/16
06/14 06/07
06/15
LOWEST 75 06/19 73 06/06
AVG. MAXIMUM 87.2 88.7 -1.5 86.7
AVG. MINIMUM 77.6 78.1 -0.5 76.8
MEAN 82.4
DAYS MAX >= 90 0 10.5 -10.5 2
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 38.03 2004 (18.48" DURING TY TINGTING)
MINIMUM 0.83 1983
TOTALS 5.33 6.51 -1.18 13.50
DAILY AVG. 0.18 0.22 -0.04 0.45
DAYS >= .01 22 23.2 -1.2 23
DAYS >= .10 8 14.0 -6.0 15
DAYS >= .50 4 4.0 0.0 7
DAYS >= 1.00 2 1.2 0.8 3
DAYS >= 3.00 0 1
GREATEST
24 HR. TOTAL 1.25 06/19 5.37 06/26
DEGREE DAYS
COOLING TOTAL 529 552 -23 509
SINCE 1/1 2921 3064 -143 3073
FREEZE DATES
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WIND (MPH)
AVERAGE WIND SPEED 8.3
RESULTANT WIND SPEED/DIRECTION 7/090
HIGHEST WIND SPEED/DIRECTION 33/110 DATE 06/19
HIGHEST GUST SPEED/DIRECTION 55/090 DATE 06/19
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.30
NUMBER OF DAYS FAIR 21
NUMBER OF DAYS PC 9
NUMBER OF DAYS CLOUDY 0
AVERAGE RH (PERCENT) 78
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 HEAVY RAIN 6
RAIN 8 LIGHT RAIN 27
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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