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Kailua (Hawaii County), HI Weather


Kailua (Hawaii County), HI climate is warm during summer when temperatures tend to be in the 70's and warm during winter when temperatures tend to be in the 70's.

The warmest month of the year is August with an average maximum temperature of 86.60 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 66.20 degrees Fahrenheit.

Temperature variations between night and day tend to be fairly limited during summer with a difference that can reach 13 degrees Fahrenheit, and fairly limited during winter with an average difference of 15 degrees Fahrenheit.

The annual average precipitation at Kailua (Hawaii County) is 57.53 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is June with an average rainfall of 6.78 Inches.

Normal Climate

Normal Temperatures

(KE-AHOLE POINT 68.13 Weather station, 7.85 miles from Kailua (Hawaii County))
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Max °F 80.7 81.1 82.0 82.9 84.2 84.8 85.9 86.6 86.4 85.5 83.9 81.7 83.8
Mean °F 73.5 73.7 74.6 75.8 77.3 78.2 79.3 79.9 79.7 78.9 77.2 74.8 76.9
Min °F 66.2 66.2 67.2 68.7 70.3 71.5 72.7 73.2 73.0 72.2 70.4 67.9 70.0

Normal Precipitation

(LANIHAU 68.2 Weather station, 2.63 miles from Kailua (Hawaii County))
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Inch 4.20 3.03 4.33 5.07 5.75 6.78 6.22 5.21 6.25 4.94 2.80 2.95 57.53