Ko Olina climate

Ko Olina Weather in July

NOAA 1991-2020 normals for Ewa Kalaeloa AP, 6.7 km from Ko Olina

Average highs run from 88°F on July 1 to 89°F on July 31, and lows from 72°F to 73°F. Normal precipitation for the month is 0.29 in over about 4 wet days.

July day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Ko Olina, in °F, with the record for each date.60708090100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

July at a glance

Average high
88°F
Average low
73°F
Precipitation
0.29 in
Record high
93°FJul 10, 2004
Record low
64°FJul 6, 2024
Chance of a freeze
0%
Days of 90°F or more
7.3
Daylight
13 h 25 min to 13 h 06 min
Cloud cover
46%
Humidity
74%
Dew point
69°F
Wind
16.6 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation.

DateNormal highNormal lowRecord highRecord lowChance wet
Jul 188°F72°F91°F 200466°F 200912%
Jul 288°F72°F92°F 201866°F 201512%
Jul 388°F72°F91°F 200467°F 201112%
Jul 488°F72°F91°F 201766°F 202412%
Jul 588°F72°F91°F 201566°F 202412%
Jul 688°F72°F90°F 200464°F 202412%
Jul 788°F72°F90°F 200764°F 202412%
Jul 888°F72°F90°F 201465°F 202412%
Jul 988°F72°F91°F 200469°F 201212%
Jul 1088°F72°F93°F 200468°F 201112%
Jul 1188°F72°F91°F 201768°F 201112%
Jul 1288°F72°F93°F 200466°F 201112%
Jul 1388°F72°F92°F 200468°F 201012%
Jul 1488°F72°F92°F 200465°F 200811%
Jul 1588°F72°F92°F 200466°F 200811%
Jul 1688°F73°F92°F 200468°F 200811%
Jul 1788°F73°F92°F 200469°F 202411%
Jul 1888°F73°F93°F 200465°F 202411%
Jul 1988°F73°F91°F 201465°F 202411%
Jul 2088°F73°F92°F 201665°F 202411%
Jul 2188°F73°F92°F 202666°F 201211%
Jul 2288°F73°F91°F 200966°F 201211%
Jul 2388°F73°F92°F 201069°F 200211%
Jul 2488°F73°F92°F 202169°F 201211%
Jul 2588°F73°F92°F 202167°F 201111%
Jul 2688°F73°F92°F 202167°F 201211%
Jul 2788°F73°F92°F 202164°F 202411%
Jul 2888°F73°F92°F 202668°F 202411%
Jul 2988°F73°F92°F 200968°F 202411%
Jul 3089°F73°F92°F 201569°F 200012%
Jul 3189°F73°F92°F 202168°F 201112%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Ko Olina, in percent.02.557.51012.51102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (HST).

July 1
sunrise 5:54 AM, sunset 7:19 PM
July 31
sunrise 6:06 AM, sunset 7:12 PM

Every day of July: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00022551 (Ewa Kalaeloa AP), public domain. Records: NOAA GHCN-Daily, station USW00022551, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.