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Ko Olina CDP, Hawaii

Official LSAD Designation: Ko Olina CDP • Census GEOID: 1539400 • Honolulu County

Climate Normals & Weather Observations

30-year climate normals (1991–2020) and weather observations for Ko Olina CDP.

Reference Weather Station: EWA KALAELOA AP, HI US (ID: USW00022551) • Located 3.6 miles from community center • Elevation: 16.5 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 80.9° 64.7° 72.8° 1.36"
February 80.9° 65.1° 73.0° 1.79"
March 81.6° 66.0° 73.8° 1.95"
April 83.6° 67.7° 75.7° 0.63"
May 84.9° 69.0° 76.9° 0.97"
June 87.3° 71.3° 79.3° 0.27"
July 88.0° 72.5° 80.3° 0.29"
August 89.1° 73.1° 81.1° 0.62"
September 88.9° 72.4° 80.7° 0.67"
October 87.3° 71.7° 79.5° 1.30"
November 84.1° 69.4° 76.8° 1.77"
December 82.1° 66.9° 74.5° 2.29"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station EWA KALAELOA AP, HI US (ID: USW00022551) • 3.6 miles from community center .

This is the same reference station used for monthly normals.

Annual mean Annual mean of daily highs Annual mean of daily lows
Annual temperature history at EWA KALAELOA AP, HI US Year is the horizontal axis. Annual mean temperature in degrees Fahrenheit is the vertical axis. Dots show recorded years; lines connect consecutive available years only. Missing years are gaps, with no interpolation. Optional dashed lines show annual mean of daily highs and lows. Exact values appear in the data table below. 65.0 71.0 77.0 83.0 89.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2012: Annual mean 75.5°F 2013: Annual mean 75.0°F 2015: Annual mean 76.9°F 2016: Annual mean 77.7°F 2022: Annual mean 78.5°F 2023: Annual mean 77.6°F 2024: Annual mean 77.0°F 2012: Annual mean of daily highs 83.2°F 2013: Annual mean of daily highs 82.9°F 2014: Annual mean of daily highs 84.6°F 2015: Annual mean of daily highs 84.7°F 2016: Annual mean of daily highs 85.8°F 2022: Annual mean of daily highs 86.7°F 2023: Annual mean of daily highs 85.4°F 2024: Annual mean of daily highs 85.1°F 2012: Annual mean of daily lows 67.7°F 2013: Annual mean of daily lows 67.1°F 2015: Annual mean of daily lows 69.1°F 2016: Annual mean of daily lows 69.6°F 2022: Annual mean of daily lows 70.3°F 2023: Annual mean of daily lows 69.7°F 2024: Annual mean of daily lows 68.8°F

Source: NOAA NCEI Global Summary of the Year.

Annual temperature data table (°F)
Annual station temperatures, 2010–2025. Unavailable means no reported value.
Year Annual mean (°F) Annual mean of daily highs (°F) Annual mean of daily lows (°F)
2010 Unavailable Unavailable Unavailable
2011 Unavailable Unavailable Unavailable
2012 75.5 83.2 67.7
2013 75.0 82.9 67.1
2014 Unavailable 84.6 Unavailable
2015 76.9 84.7 69.1
2016 77.7 85.8 69.6
2017 Unavailable Unavailable Unavailable
2018 Unavailable Unavailable Unavailable
2019 Unavailable Unavailable Unavailable
2020 Unavailable Unavailable Unavailable
2021 Unavailable Unavailable Unavailable
2022 78.5 86.7 70.3
2023 77.6 85.4 69.7
2024 77.0 85.1 68.8
2025 Unavailable Unavailable Unavailable
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.