278
CXGM50 PGUM 101332
CLMGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
1132 PM CHST SUN MAY 10 2026
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...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR THE MONTH OF APRIL 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 96 04/18/1971
04/01/1990
LOW 68 04/06/1965
HIGHEST 89 04/09 89 04/10
04/21
04/23
LOWEST 72 04/20 74 04/05
AVG. MAXIMUM 86.5 88.1 -1.6 87.5
AVG. MINIMUM 76.3 76.9 -0.6 76.6
MEAN 81.4
DAYS MAX >= 90 0 4.4 -4.4 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 15.28 1963 (TY OLIVE 10.53" 2 DAY TOTAL)
MINIMUM 0.51 1966
TOTALS 14.17 3.50 10.67 2.41
DAILY AVG. 0.47 0.12 0.35 0.08
DAYS >= .01 17 18.9 -1.9 17
DAYS >= .10 9 8.3 0.7 10
DAYS >= .50 3 1.3 1.7 0
DAYS >= 1.00 3 0.5 2.5 0
DAYS >= 3.00 2
GREATEST
24 HR. TOTAL 6.58 04/14 TO 04/14 0.47
DEGREE DAYS
COOLING TOTAL 498 525 -27 519
SINCE 1/1 1853 1948 -95 1988
FREEZE DATES
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WIND (MPH)
AVERAGE WIND SPEED 14.9
RESULTANT WIND SPEED/DIRECTION 6/050
HIGHEST WIND SPEED/DIRECTION 54/280 DATE 04/14
54/250 04/15
HIGHEST GUST SPEED/DIRECTION 88/300 DATE 04/14
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.39
NUMBER OF DAYS FAIR 18
NUMBER OF DAYS PC 9
NUMBER OF DAYS CLOUDY 3
AVERAGE RH (PERCENT) 77
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 HEAVY RAIN 4
RAIN 7 LIGHT RAIN 24
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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