Measurements:
°C
°F
CURRENT WEATHER
08:27
Kailua Kona
80°F
SE 8 mph
Feels like: 84°F
Precip: 17%
World Resorts USA Kailua Kona Weather

7 Day Weather Forecast

07.15
wed
DAY
82°F
SE 7 mph
precip
17%
NIGHT
80°F
SE 7 mph
precip
10%
07.16
thu
DAY
84°F
E 6 mph
precip
14%
NIGHT
80°F
NE 2 mph
precip
18%
07.17
fri
DAY
84°F
NE 6 mph
precip
14%
NIGHT
82°F
SE 2 mph
precip
17%
07.18
sat
DAY
84°F
E 8 mph
precip
15%
NIGHT
80°F
NE 4 mph
precip
34%
07.19
sun
DAY
84°F
NE 6 mph
precip
17%
NIGHT
80°F
SE 6 mph
precip
31%
07.20
mon
DAY
82°F
E 5 mph
precip
13%
NIGHT
80°F
NE 5 mph
precip
36%
07.21
tue
DAY
84°F
NE 6 mph
precip
13%
NIGHT
80°F
S 9 mph
precip
25%

Kailua Kona Sea Water Temperature in July, °F

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Kailua Kona was 27.3°F. The maximum and minimum values were 26.8°F and 27.6°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
July 85.7 °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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