861
CXGM50 PGUM 031229
CLMGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
1029 PM CHST FRI APR 03 2026
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...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR THE MONTH OF MARCH 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 93 03/29/1964
LOW 66 03/14/1965
HIGHEST 88 03/28 88 03/10
LOWEST 68 03/18 74 03/05
03/19 03/08
AVG. MAXIMUM 84.4 86.9 -2.5 86.1
AVG. MINIMUM 73.6 75.6 -2.0 76.3
MEAN 79.0 81.2
DAYS MAX >= 90 0 1.2 -1.2 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 14.90 2026
MINIMUM 0.40 1978
TOTALS 14.90R 2.77 12.13 3.08
DAILY AVG. 0.48 0.09 0.39 0.10
DAYS >= .01 23 18.3 4.7 19
DAYS >= .10 15 7.6 7.4 6
DAYS >= .50 10 1.3 8.7 2
DAYS >= 1.00 4 0.2 3.8 1
DAYS >= 3.00 1 0
GREATEST
24 HR. TOTAL 3.81 03/02 TO 03/02 1.15 03/01 TO 03/02
DEGREE DAYS
COOLING TOTAL 443 504 -61 509
SINCE 1/1 1355 1423 -68 1469
FREEZE DATES
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WIND (MPH)
AVERAGE WIND SPEED 9.1
RESULTANT WIND SPEED/DIRECTION 6/050
HIGHEST WIND SPEED/DIRECTION 24/080 DATE 03/06
HIGHEST GUST SPEED/DIRECTION 43/080 DATE 03/06
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.47
NUMBER OF DAYS FAIR 9
NUMBER OF DAYS PC 20
NUMBER OF DAYS CLOUDY 2
AVERAGE RH (PERCENT) 80
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 1 HEAVY RAIN 13
RAIN 14 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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