25.12
thu
thu
Day
72°F
W 7 mph
Precip.
68%
68%
Night
66°F
E 3 mph
Precip.
79%
79%
26.12
fri
fri
Day
72°F
NW 8 mph
Precip.
100%
100%
Night
68°F
NE 3 mph
Precip.
67%
67%
27.12
sat
sat
Day
75°F
NW 10 mph
Precip.
0%
0%
Night
66°F
NE 4 mph
Precip.
0%
0%
28.12
sun
sun
Day
75°F
NW 9 mph
Precip.
0%
0%
Night
68°F
N 5 mph
Precip.
100%
100%
29.12
mon
mon
Day
72°F
NW 7 mph
Precip.
100%
100%
Night
70°F
N 3 mph
Precip.
100%
100%
30.12
tue
tue
Day
70°F
W 4 mph
Precip.
100%
100%
Night
68°F
N 3 mph
Precip.
100%
100%
31.12
wed
wed
Day
70°F
W 4 mph
Precip.
100%
100%
Night
68°F
S 2 mph
Precip.
100%
100%
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 78.1°F. The highest and lowest sea temperatures during the month were 78.8°F and 77.5°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 77.2°F. The highest and lowest sea temperatures during the month were 77.7°F and 76.6°F.
Air temperature in Hilo, °F
Precipitation total in Hilo, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Hilo
Hilo on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Hilo
Local time: 21:09
December 26, friday
0000
66°F
E
3 mph
3 mph
0300
66°F
E
2 mph
2 mph
0600
68°F
NW
2 mph
2 mph
0900
70°F
NW
2 mph
2 mph
1200
72°F
NW
8 mph
8 mph
1500
73°F
W
11 mph
11 mph
1800
70°F
NW
6 mph
6 mph
2100
68°F
NW
4 mph
4 mph
