525
CDHW40 PHFO 220245
CLIHNL
CLIMATE REPORT
NATIONAL WEATHER SERVICE HONOLULU HI
445 PM HST MON JUL 21 2025
...............................
..THE HONOLULU HI CLIMATE SUMMARY FOR JULY 21 2025
VALID TODAY AS OF 0425 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1940 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 90 MM 91 1986 88 2 88
2004
2015
MINIMUM 78 MM 69 1958 75 3 77
1974
AVERAGE 84 82 2 83
PRECIPITATION (IN)
TODAY 0.00 0.26 1993 0.02 -0.02 0.00
MONTH TO DATE 0.08 0.34 -0.26 0.01
SINCE JUN 1 0.15 0.84 -0.69 0.07
SINCE JAN 1 8.88 8.57 0.31 9.55
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
TODAY 19 17 2 18
MONTH TO DATE 355 343 12 343
SINCE JUN 1 841 803 38 812
SINCE JAN 1 2750 2372 378 2402
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 12.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 74 400 AM
LOWEST 45 200 PM
AVERAGE 60
......................................................
THE HONOLULU HI CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 91 1986
1988
MINIMUM TEMPERATURE (F) 75 67 1955
SUNRISE AND SUNSET
JULY 21 2025..........SUNRISE 601 AM HST SUNSET 715 PM HST
JULY 22 2025..........SUNRISE 601 AM HST SUNSET 715 PM HST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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