North Hilo (HI) Weather & Climate: Best Time to Visit

In North Hilo temperatures are generally consistent throughout the year. Typically, average maximum daytime temperatures range from a comfortable 25°C (77°F) in August to a comfortable 22°C (72°F) in the coolest month, February.

Nights vary from 21°C (70°F) in August to around 18°C (64°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

North Hilo experiences significant rainfall throughout the year, averaging 1850 mm (73 in) of precipitation annually. The climate in North Hilo shows significant variation throughout the year. Expect heavy rainfall in March, the wettest month, with an average of 257 mm (10 in) of precipitation over 20 rainy days.

In contrast, the driest month June offers drier and sunnier days, with around 88 mm (3.5 in) of rainfall over 18 rainy days. For more details, please visit our North Hilo Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

North Hilo offers a pleasant mix of sunny and slightly overcast days. The difference in sunshine hours between June (6.0 hours daily) and November (3.8 hours daily) provides a bit of variety for visitors and residents.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

Daily percentage of sunshine

The relative humidity is high throughout the year in North Hilo.

The city experiences its highest humidity in April, reaching 80%. In January, the humidity drops to its lowest level at 75%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year