516
CDHW40 PHFO 211245
CLIHNL
CLIMATE REPORT
NATIONAL WEATHER SERVICE HONOLULU HI
245 AM HST THU AUG 21 2025
...............................
..THE HONOLULU HI CLIMATE SUMMARY FOR AUGUST 20 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 88 349 PM 93 1986 89 -1 90
MINIMUM 78 700 AM 66 2009 76 2 78
AVERAGE 83 82 1 84
PRECIPITATION (IN)
YESTERDAY T 0.19 2000 0.03 -0.03 T
MONTH TO DATE T 0.47 -0.47 0.03
SINCE JUN 1 0.15 1.49 -1.34 0.11
SINCE JAN 1 8.88 9.22 -0.34 9.59
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 18 17 1 19
MONTH TO DATE 363 340 23 351
SINCE JUN 1 1378 1315 63 1327
SINCE JAN 1 3287 2884 403 2917
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 13.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 67 900 AM
LOWEST 47 300 PM
AVERAGE 57
......................................................
THE HONOLULU HI CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 93 1987
MINIMUM TEMPERATURE (F) 76 70 1965
1984
SUNRISE AND SUNSET
AUGUST 21 2025........SUNRISE 612 AM HST SUNSET 657 PM HST
AUGUST 22 2025........SUNRISE 613 AM HST SUNSET 656 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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