Climatological Report (Monthly)
Issued by NWS Honolulu, HI

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660
CXHW50 PHFO 011625
CLMHNL

CLIMATE REPORT
NATIONAL WEATHER SERVICE HONOLULU HI
625 AM HST SUN JUN 01 2025

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

...THE HONOLULU HI CLIMATE SUMMARY FOR THE MONTH OF MAY 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1940 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             93   05/31/1988
 LOW              60   05/02/2006
                       05/03/1989
                       05/02/1989
HIGHEST           88   05/19         85       3       86  05/01
                       05/29
                       05/30
                                                          05/20
                                                          05/22
LOWEST            70   05/28         70       0       68  05/11
                       05/29
                                                          05/12
AVG. MAXIMUM    86.9               84.8     2.1     83.5
AVG. MINIMUM    73.5               71.5     2.0     71.7
MEAN            80.2               78.2     2.0     77.6
DAYS MAX >= 93     0                                   0
DAYS MAX >= 90     0                                   0
DAYS MAX <= 80     0                                   2
DAYS MIN >= 72    27                                  18
DAYS MIN <= 60     0                                   0
DAYS MIN <= 55     0                                   0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        7.23   1965
 MINIMUM        0.03   2021
TOTALS          0.58               0.82   -0.24     4.90
DAILY AVG.      0.02               0.03   -0.01     0.16
DAYS >= .01        3                6.0    -3.0       11
DAYS >= .10        2                1.6     0.4        7
DAYS >= .50        0                0.5    -0.5        3
DAYS >= 1.00       0                0.1    -0.1        2
GREATEST
 24 HR. TOTAL   0.28   05/19 TO 05/20               2.37


DEGREE DAYS
HEATING TOTAL      0                  0       0        0
 SINCE 7/1         0                  0       0       MM
COOLING TOTAL    479                408      71      399
 SINCE 1/1      1909               1569     340       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              12.2
HIGHEST WIND SPEED/DIRECTION    26/070    DATE  05/10
HIGHEST GUST SPEED/DIRECTION    41/070    DATE  05/06

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.37
NUMBER OF DAYS FAIR           16
NUMBER OF DAYS PC             15
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     62

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             MM     MIXED PRECIP              MM
HEAVY RAIN                2     RAIN                       1
LIGHT RAIN               11     FREEZING RAIN             MM
LT FREEZING RAIN         MM     HAIL                      MM
HEAVY SNOW               MM     SNOW                      MM
LIGHT SNOW               MM     SLEET                     MM
FOG                       2     FOG W/VIS <= 1/4 MILE     MM
HAZE                      2

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$