21.04
mon
mon
Day

77°F
SE 9 mph
Precip.
100%
100%
Night

73°F
N 9 mph
Precip.
100%
100%
22.04
tue
tue
Day

77°F
SE 8 mph
Precip.
100%
100%
Night

73°F
E 2 mph
Precip.
100%
100%
23.04
wed
wed
Day

79°F
SE 9 mph
Precip.
86%
86%
Night

75°F
NE 4 mph
Precip.
73%
73%
24.04
thu
thu
Day

77°F
SE 9 mph
Precip.
100%
100%
Night

75°F
N 9 mph
Precip.
71%
71%
25.04
fri
fri
Day

77°F
SE 10 mph
Precip.
65%
65%
Night

73°F
N 9 mph
Precip.
0%
0%
26.04
sat
sat
Day

77°F
SE 7 mph
Precip.
79%
79%
Night

73°F
SE 5 mph
Precip.
100%
100%
27.04
sun
sun
Day

77°F
NE 8 mph
Precip.
81%
81%
Night

73°F
E 4 mph
Precip.
100%
100%
sea water
temperature
temperature
Kailua Kona |
monthly
weather
weather
Kailua Kona |
current
weather
weather
Kailua Kona |
14 days
forecast
forecast
Kailua Kona |
Sea water temperature in April, °F
Show year:
2025
2024
2023
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
72
74
76
78
80
82
84
The average sea water temperature in April of 2025 was 78.1°F. The highest and lowest sea temperatures during the month were 78.8°F and 77.7°F.
Sea water temperature in May, °F
Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
73
75
77
79
81
83
85
The average sea water temperature in May of 2024 was 78.2°F. The highest and lowest sea temperatures during the month were 79.0°F and 77.2°F.
Air temperature in Kailua Kona, °F
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
13
26
39
52
65
78
91
104
77.3
79.6
80.7
80.9
80.9
81.2
80.1
79.4
78.0
77.3
76.6
76.5
72.4
74.7
76.6
76.7
76.2
76.2
75.1
74.3
73.2
71.6
70.3
70.7
Day temperature | Night temperature |
Precipitation total in Kailua Kona, in.
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.3
0.6
1.0
1.3
1.6
1.9
2.2
1
0.9
0.9
1.8
1.8
1.7
1.4
1.6
1.9
1.3
1
1
* Charts above show average data for the last 3 years.
Best time for vacation in Kailua Kona
Kailua Kona on a weather map
Leaflet | Tiles © Esri
Places in USA:
Name
°F
24 Hours Forecast
Kailua Kona
Local time: 16:43
April 21, monday
1800

75°F
SE
7 mph
7 mph
2100

75°F
N
6 mph
6 mph
April 22, tuesday
0000

73°F
N
9 mph
9 mph
0300

73°F
N
4 mph
4 mph
0600

73°F
S
2 mph
2 mph
0900

75°F
SE
6 mph
6 mph
1200

77°F
SE
8 mph
8 mph
1500

77°F
SE
8 mph
8 mph