28.12
sun
sun
Day
73°F
W 10 mph
Precip.
89%
89%
Night
70°F
NW 5 mph
Precip.
0%
0%
29.12
mon
mon
Day
73°F
NW 6 mph
Precip.
81%
81%
Night
70°F
NW 4 mph
Precip.
100%
100%
30.12
tue
tue
Day
72°F
W 5 mph
Precip.
66%
66%
Night
70°F
SW 4 mph
Precip.
75%
75%
31.12
wed
wed
Day
73°F
SW 7 mph
Precip.
100%
100%
Night
68°F
S 2 mph
Precip.
87%
87%
01.01
thu
thu
Day
73°F
SW 9 mph
Precip.
0%
0%
Night
70°F
W 6 mph
Precip.
64%
64%
02.01
fri
fri
Day
73°F
W 6 mph
Precip.
55%
55%
Night
68°F
N 2 mph
Precip.
69%
69%
03.01
sat
sat
Day
73°F
NW 9 mph
Precip.
30%
30%
Night
68°F
N 8 mph
Precip.
53%
53%
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: 20:49
December 28, sunday
2100
70°F
NW
5 mph
5 mph
December 29, monday
0000
70°F
NW
5 mph
5 mph
0300
68°F
N
2 mph
2 mph
0600
68°F
NE
4 mph
4 mph
0900
72°F
NW
3 mph
3 mph
1200
73°F
NW
6 mph
6 mph
1500
73°F
W
9 mph
9 mph
1800
70°F
NW
4 mph
4 mph
