18.12
thu
thu
Day

79°F
NE 11 mph
Precip.
0%
0%
Night

75°F
NW 2 mph
Precip.
0%
0%
19.12
fri
fri
Day

79°F
SE 9 mph
Precip.
100%
100%
Night

75°F
NW 3 mph
Precip.
0%
0%
20.12
sat
sat
Day

77°F
E 7 mph
Precip.
77%
77%
Night

75°F
E 4 mph
Precip.
100%
100%
21.12
sun
sun
Day

77°F
E 7 mph
Precip.
100%
100%
Night

73°F
NW 1 mph
Precip.
100%
100%
22.12
mon
mon
Day

79°F
E 7 mph
Precip.
0%
0%
Night

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

77°F
NE 6 mph
Precip.
100%
100%
Night

73°F
E 2 mph
Precip.
100%
100%
24.12
wed
wed
Day

77°F
NE 7 mph
Precip.
100%
100%
Night

73°F
N 4 mph
Precip.
72%
72%
25.12
thu
thu
Day

75°F
E 6 mph
Precip.
100%
100%
Night

72°F
NE 2 mph
Precip.
49%
49%
26.12
fri
fri
Day

77°F
SE 6 mph
Precip.
26%
26%
Night

73°F
W 2 mph
Precip.
0%
0%
27.12
sat
sat
Day

77°F
E 6 mph
Precip.
0%
0%
Night

73°F
SE 3 mph
Precip.
0%
0%
28.12
sun
sun
Day

77°F
SE 9 mph
Precip.
24%
24%
Night

73°F
N 2 mph
Precip.
0%
0%
29.12
mon
mon
Day

77°F
E 5 mph
Precip.
25%
25%
Night

73°F
N 2 mph
Precip.
64%
64%
30.12
tue
tue
Day

77°F
E 5 mph
Precip.
80%
80%
Night

73°F
E 2 mph
Precip.
100%
100%
31.12
wed
wed
Day

77°F
NE 6 mph
Precip.
26%
26%
Night

73°F
E 2 mph
Precip.
54%
54%
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: 15:48
December 18, thursday
1800

77°F
N
8 mph
8 mph
2100

75°F
N
6 mph
6 mph
December 19, friday
0000

75°F
NW
2 mph
2 mph
0300

73°F
SW
2 mph
2 mph
0600

73°F
S
4 mph
4 mph
0900

77°F
S
6 mph
6 mph
1200

79°F
SE
9 mph
9 mph
1500

79°F
SE
9 mph
9 mph




























