601
CDHW40 PHFO 181245
CLIHNL
CLIMATE REPORT
NATIONAL WEATHER SERVICE HONOLULU HI
245 AM HST MON MAY 18 2026
...............................
..THE HONOLULU CLIMATE SUMMARY FOR MAY 17 2026
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1940 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 88 306 PM 89 1988 85 3 87
2019
MINIMUM 71 533 AM 65 2006 72 -1 73
AVERAGE 80 78 2 80
PRECIPITATION (IN)
YESTERDAY 0.00 1.25 2024 0.03 -0.03 0.00
MONTH TO DATE 0.46 0.47 -0.01 0.30
SINCE MAR 1 17.00 3.60 13.40 2.43
SINCE JAN 1 20.71 7.38 13.33 8.45
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 15 13 2 15
MONTH TO DATE 239 215 24 272
SINCE MAR 1 903 862 41 1092
SINCE JAN 1 1451 1376 75 1702
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 8.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 200 AM
LOWEST 55 200 PM
AVERAGE 71
......................................................
THE HONOLULU CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 90 1988
2008
MINIMUM TEMPERATURE (F) 72 64 1985
SUNRISE AND SUNSET
MAY 18 2026...........SUNRISE 552 AM HST SUNSET 704 PM HST
MAY 19 2026...........SUNRISE 552 AM HST SUNSET 705 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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