Measurements:
°C
°F
CURRENT WEATHER
09:17
Kailua Kona
82°F
SE 8 mph
Feels like: 88°F
Precip: 28%
World Resorts USA Kailua Kona Weather

7 Day Weather Forecast

08.05
wed
DAY
84°F
E 6 mph
precip
30%
NIGHT
80°F
SE 6 mph
precip
61%
08.06
thu
DAY
84°F
NE 9 mph
precip
15%
NIGHT
80°F
SE 5 mph
precip
14%
08.07
fri
DAY
86°F
E 5 mph
precip
13%
NIGHT
80°F
E 4 mph
precip
18%
08.08
sat
DAY
84°F
E 7 mph
precip
15%
NIGHT
82°F
NE 1 mph
precip
10%
08.09
sun
DAY
84°F
E 6 mph
precip
17%
NIGHT
82°F
N 2 mph
precip
12%
08.10
mon
DAY
86°F
E 6 mph
precip
16%
NIGHT
82°F
N 4 mph
precip
54%
08.11
tue
DAY
86°F
E 6 mph
precip
7%
NIGHT
82°F
SE 4 mph
precip
14%

Kailua Kona Sea Water Temperature in August, °F

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Kailua Kona was 27.1°F. The maximum and minimum values were 27.0°F and 27.3°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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