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
................................................................
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
................................................................

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.

$$