20.12
sat
sat
Day

79°F
SE 8 mph
Precip.
72%
72%
Night

75°F
N 7 mph
Precip.
0%
0%
21.12
sun
sun
Day

79°F
SE 8 mph
Precip.
69%
69%
Night

75°F
NE 2 mph
Precip.
69%
69%
22.12
mon
mon
Day

79°F
NE 8 mph
Precip.
71%
71%
Night

73°F
NW 4 mph
Precip.
100%
100%
23.12
tue
tue
Day

77°F
E 6 mph
Precip.
62%
62%
Night

73°F
N 6 mph
Precip.
100%
100%
24.12
wed
wed
Day

75°F
N 3 mph
Precip.
78%
78%
Night

73°F
E 4 mph
Precip.
100%
100%
25.12
thu
thu
Day

73°F
SE 6 mph
Precip.
73%
73%
Night

73°F
NE 5 mph
Precip.
82%
82%
26.12
fri
fri
Day

75°F
E 4 mph
Precip.
67%
67%
Night

73°F
SE 4 mph
Precip.
74%
74%
27.12
sat
sat
Day

77°F
E 6 mph
Precip.
20%
20%
Night

73°F
SE 4 mph
Precip.
68%
68%
28.12
sun
sun
Day

77°F
NE 7 mph
Precip.
26%
26%
Night

73°F
N 4 mph
Precip.
57%
57%
29.12
mon
mon
Day

75°F
E 4 mph
Precip.
75%
75%
Night

73°F
SE 1 mph
Precip.
59%
59%
30.12
tue
tue
Day

77°F
SE 7 mph
Precip.
26%
26%
Night

73°F
N 5 mph
Precip.
100%
100%
31.12
wed
wed
Day

77°F
NE 6 mph
Precip.
84%
84%
Night

73°F
S 6 mph
Precip.
76%
76%
01.01
thu
thu
Day

77°F
NE 6 mph
Precip.
20%
20%
Night

73°F
NE 1 mph
Precip.
28%
28%
02.01
fri
fri
Day

77°F
NE 7 mph
Precip.
80%
80%
Night

73°F
SE 2 mph
Precip.
100%
100%
sea water
temperature
temperature
| Kailua Kona |
monthly
weather
weather
| Kailua Kona |
current
weather
weather
| Kailua Kona |
7 days
forecast
forecast
| Kailua Kona |
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 79.4°F. The highest and lowest sea temperatures during the month were 79.9°F and 79.0°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 78.2°F. The highest and lowest sea temperatures during the month were 78.8°F and 77.7°F.
Air temperature in Kailua Kona, °F
Precipitation total in Kailua Kona, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Kailua Kona
Kailua Kona on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Kailua Kona
Local time: 14:21
December 20, saturday
1500

79°F
S
9 mph
9 mph
1800

77°F
S
8 mph
8 mph
2100

75°F
S
1 mph
1 mph
December 21, sunday
0000

75°F
N
7 mph
7 mph
0300

73°F
N
3 mph
3 mph
0600

73°F
E
1 mph
1 mph
0900

77°F
SE
6 mph
6 mph
1200

79°F
SE
8 mph
8 mph




























