280
CDHW40 PHFO 311245
CLIHNL
CLIMATE REPORT
NATIONAL WEATHER SERVICE HONOLULU HI
245 AM HST SUN AUG 31 2025
...............................
..THE HONOLULU CLIMATE SUMMARY FOR AUGUST 30 2025
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)
YESTERDAY
MAXIMUM 87 1042 AM 93 1997 89 -2 89
MINIMUM 74 554 AM 68 1987 75 -1 77
AVERAGE 81 82 -1 83
PRECIPITATION (IN)
YESTERDAY 0.00 0.28 1956 0.04 -0.04 0.01
MONTH TO DATE T 0.80 -0.80 0.14
SINCE JUN 1 0.15 1.82 -1.67 0.22
SINCE JAN 1 8.88 9.55 -0.67 9.70
DEGREE DAYS
HEATING
YESTERDAY 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
YESTERDAY 16 17 -1 18
MONTH TO DATE 545 510 35 523
SINCE JUN 1 1560 1485 75 1499
SINCE JAN 1 3469 3054 415 3089
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WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SE (130)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 6.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 76 600 AM
LOWEST 45 1100 AM
AVERAGE 61
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THE HONOLULU CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 95 2019
MINIMUM TEMPERATURE (F) 75 69 1987
SUNRISE AND SUNSET
AUGUST 31 2025........SUNRISE 1012 AM HDT SUNSET 1045 PM HDT
SEPTEMBER 1 2025.....SUNRISE 1012 AM HDT SUNSET 1044 PM HDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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