Measurements:
°C
°F
CURRENT WEATHER
11:44
Kailua Kona
84°F
E 5 mph
Feels like: 88°F
Precip: 11%
World Resorts USA Kailua Kona Weather

7 Day Weather Forecast

08.25
tue
DAY
84°F
E 5 mph
precip
11%
NIGHT
80°F
SW 3 mph
precip
36%
08.26
wed
DAY
78°F
N 6 mph
precip
40%
NIGHT
76°F
SW 4 mph
precip
23%
08.27
thu
DAY
80°F
NE 6 mph
precip
36%
NIGHT
76°F
SW 3 mph
precip
23%
08.28
fri
DAY
82°F
NE 7 mph
precip
13%
NIGHT
76°F
E 2 mph
precip
21%
08.29
sat
DAY
82°F
NE 9 mph
precip
17%
NIGHT
78°F
NW 1 mph
precip
9%
08.30
sun
DAY
82°F
NE 8 mph
precip
23%
NIGHT
78°F
SE 4 mph
precip
14%
08.31
mon
DAY
84°F
E 5 mph
precip
4%
NIGHT
80°F
N 3 mph
precip
19%

Kailua Kona Sea Water Temperature in August, °F

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Kailua Kona was 27.6°F. The maximum and minimum values were 27.2°F and 28.2°F respectively.

Kailua Kona on the Weather Map

Best Time to Visit Kailua Kona
The most sunny months:
January 22 days
December 20 days
February 19 days
The most warm months:
September 86.0 °F
August 85.7 °F
October 85.5 °F
Warmest sea temperature:
September 84.8 °F
October 84.6 °F
August 84.4 °F
The most cold months:
January 79.9 °F
February 80.2 °F
March 81.0 °F
The most rainy months:
September 2 days
July 2 days
August 2 days
The most windy months:
May 6 mph
April 6 mph
June 6 mph
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