879
CXGM50 PGUM 030244
CLMGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
1244 PM CHST THU JUL 03 2025
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...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR THE MONTH OF JUNE 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1945 TO 2025
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 90 06/16 90 06/10
06/07
LOWEST 73 06/06 73 06/14
AVG. MAXIMUM 86.7 88.7 -2.0 87.2
AVG. MINIMUM 76.8 78.1 -1.3 77.6
MEAN 81.7
DAYS MAX >= 90 2 10.5 -8.5 1
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 13.50 6.51 6.99 8.00
DAILY AVG. 0.45 0.22 0.23 0.27
DAYS >= .01 23 23.2 -0.2 28
DAYS >= .10 15 14.0 1.0 17
DAYS >= .50 7 4.0 3.0 5
DAYS >= 1.00 3 1.2 1.8 3
DAYS >= 3.00 1 0
GREATEST
24 HR. TOTAL 5.37 06/26 TO 06/26 1.38 06/12
DEGREE DAYS
COOLING TOTAL 509 552 -43 531
SINCE 1/1 3073 3064 9 3012
FREEZE DATES
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WIND (MPH)
AVERAGE WIND SPEED 7.5
RESULTANT WIND SPEED/DIRECTION 6/100
HIGHEST WIND SPEED/DIRECTION 27/110 DATE 06/25
HIGHEST GUST SPEED/DIRECTION 38/100 DATE 06/25
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.35
NUMBER OF DAYS FAIR 17
NUMBER OF DAYS PC 10
NUMBER OF DAYS CLOUDY 1
AVERAGE RH (PERCENT) 81
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 1 HEAVY RAIN 9
RAIN 11 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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