World Resorts USA Hilo Weather

Hilo weather in January

Weather in Hilo: January

Average day temperature: 74.3°F
Average night temperature: 67.1°F
Sea water temperature: 76.5°F
Number of sunny days: 18 days
Day length: 10.2 - 11.3 hours
Number of rainy days: 3 days
Precipitation totals: 3.0 in.

Air temperature in January, °F

Show year:
2025
2024
2023

The highest day temperature during January of 2025 was 77°F. At the same time the lowest night temperature was 62°F. Daily and nightly averages during January were 72.7°F and 66.8°F.

Sea water temperature in Hilo 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.

Sunny, partly cloudy and cloudy days

Mostly all days in January are sunny but cloudy days are also possible.

Precipitation total in January, in.

Precipitation total value in Hilo in January is 4.0 in. Other months of the year show relatively similar values.

Wind speed in January, mph

The average wind speed value in January is 7.2 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in January is: 6.7.

Best time for vacation in Hilo

Sunniest months:
January 18 days
October 15 days
December 14 days
Warmest months:
September 78.1 °F
August 78.0 °F
October 77.9 °F
Warmest sea temp:
September 80.4 °F
October 80.0 °F
August 79.8 °F
Coldest months:
March 73.2 °F
April 73.3 °F
February 73.5 °F
Rainiest months:
March 6 days
November 5 days
February 5 days
Windiest months:
March 8.5 mph
April 8.5 mph
August 8.2 mph

Hilo on a weather map

Hilo
+72°F
W 8 mph
Feels like: +72°F
Precip.: 100%
Places in USA:
Name
°F
+30°F
+75°F
+75°F
+41°F
+52°F
+70°F
+77°F
+70°F
+23°F
+54°F
+46°F
+61°F
+61°F
+45°F
+3°F
24 Hours Forecast
Hilo
Local time: 23:09
December 05, friday
0000
72°F
W
8 mph
0300
70°F
NW
6 mph
0600
68°F
NW
5 mph
0900
70°F
NW
7 mph
1200
70°F
NW
11 mph
1500
68°F
W
9 mph
1800
66°F
NW
6 mph
2100
66°F
W
6 mph
Units of measurement: °C / °F