Measurements:
°C
°F
CURRENT WEATHER
07:06
Kailua Kona
76°F
S 6 mph
Feels like: 80°F
Precip: 86%
World Resorts USA Kailua Kona Weather

7 Day Weather Forecast

05.14
thu
DAY
80°F
SE 9 mph
precip
100%
NIGHT
78°F
NE 4 mph
precip
60%
05.15
fri
DAY
82°F
NE 7 mph
precip
80%
NIGHT
78°F
NE 2 mph
precip
65%
05.16
sat
DAY
84°F
E 6 mph
precip
100%
NIGHT
80°F
NE 5 mph
precip
100%
05.17
sun
DAY
84°F
SE 7 mph
precip
80%
NIGHT
80°F
NE 2 mph
precip
100%
05.18
mon
DAY
82°F
NE 9 mph
precip
62%
NIGHT
80°F
N 4 mph
precip
100%
05.19
tue
DAY
82°F
E 5 mph
precip
100%
NIGHT
78°F
E 3 mph
precip
100%
05.20
wed
DAY
82°F
E 4 mph
precip
100%
NIGHT
80°F
N 2 mph
precip
100%

Kailua Kona Sea Water Temperature in May, °F

Select Year: 2025 2024 2023

The average sea surface temperature in May 2025 for Kailua Kona was 26.1°F. The maximum and minimum values were 25.9°F and 26.5°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 7 mph
April 6 mph
June 6 mph
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