Annual Weather Averages Near Kailua
Averages are for Kahului Airport, which is 5 miles from Kailua.
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Kailua
High Temp: 89 °F
Low Temp: 63 °F
Mean Temp: 76 °F
Precipitation: 1.44"
Humidity: 70%
Dew Point: 65 °F
Wind: 22 mph
Pressure: 30.02 "Hg
Visibility: 11 mi
January Climate & Weather Averages in Kailua
High Temp: 81 °F
Low Temp: 63 °F
Mean Temp: 72 °F
Precipitation: 2.44"
Humidity: 73%
Dew Point: 63 °F
Wind: 17 mph
Pressure: 30.01 "Hg
Visibility: 11 mi
February Climate & Weather Averages in Kailua
High Temp: 81 °F
Low Temp: 64 °F
Mean Temp: 72 °F
Precipitation: 1.97"
Humidity: 72%
Dew Point: 62 °F
Wind: 18 mph
Pressure: 30.03 "Hg
Visibility: 11 mi
March Climate & Weather Averages in Kailua
High Temp: 82 °F
Low Temp: 65 °F
Mean Temp: 73 °F
Precipitation: 2.92"
Humidity: 72%
Dew Point: 63 °F
Wind: 20 mph
Pressure: 30.06 "Hg
Visibility: 11 mi
April Climate & Weather Averages in Kailua
High Temp: 83 °F
Low Temp: 66 °F
Mean Temp: 75 °F
Precipitation: 1.38"
Humidity: 70%
Dew Point: 64 °F
Wind: 22 mph
Pressure: 30.07 "Hg
Visibility: 11 mi
May Climate & Weather Averages in Kailua
High Temp: 85 °F
Low Temp: 67 °F
Mean Temp: 76 °F
Precipitation: 0.79"
Humidity: 69%
Dew Point: 65 °F
Wind: 21 mph
Pressure: 30.05 "Hg
Visibility: 11 mi
June Climate & Weather Averages in Kailua
High Temp: 87 °F
Low Temp: 70 °F
Mean Temp: 78 °F
Precipitation: 0.24"
Humidity: 67%
Dew Point: 66 °F
Wind: 26 mph
Pressure: 30.04 "Hg
Visibility: 11 mi
July Climate & Weather Averages in Kailua
High Temp: 88 °F
Low Temp: 72 °F
Mean Temp: 80 °F
Precipitation: 0.63"
Humidity: 67%
Dew Point: 67 °F
Wind: 27 mph
Pressure: 30.02 "Hg
Visibility: 11 mi
August Climate & Weather Averages in Kailua
High Temp: 88 °F
Low Temp: 72 °F
Mean Temp: 80 °F
Precipitation: 0.61"
Humidity: 67%
Dew Point: 68 °F
Wind: 26 mph
Pressure: 30.01 "Hg
Visibility: 11 mi
September Climate & Weather Averages in Kailua
High Temp: 89 °F
Low Temp: 71 °F
Mean Temp: 80 °F
Precipitation: 0.44"
Humidity: 67%
Dew Point: 68 °F
Wind: 23 mph
Pressure: 29.99 "Hg
Visibility: 11 mi
October Climate & Weather Averages in Kailua
High Temp: 87 °F
Low Temp: 70 °F
Mean Temp: 79 °F
Precipitation: 0.88"
Humidity: 69%
Dew Point: 67 °F
Wind: 20 mph
Pressure: 29.99 "Hg
Visibility: 11 mi
November Climate & Weather Averages in Kailua
High Temp: 84 °F
Low Temp: 68 °F
Mean Temp: 76 °F
Precipitation: 1.77"
Humidity: 72%
Dew Point: 66 °F
Wind: 20 mph
Pressure: 30.01 "Hg
Visibility: 11 mi
December Climate & Weather Averages in Kailua
High Temp: 82 °F
Low Temp: 65 °F
Mean Temp: 74 °F
Precipitation: 3.17"
Humidity: 73%
Dew Point: 64 °F
Wind: 18 mph
Pressure: 30.02 "Hg
Visibility: 11 mi