Hilo (HI) Weather and Climate: A Comprehensive Guide
Hilo has pretty similar weather over the course of the year.
It is also known for its large amounts of rainfall.
Let's now guide you through the climate details for a complete overview.
Average maximum day and minimum night temperature
The climate in Hilo remains fairly constant, offering comfortable temperatures throughout the year. Typically, average maximum daytime temperatures range from a comfortable 26°C in August to a comfortable 23°C in the coolest month, February.
Nights are cooler, with lows often dropping to around 17°C during the colder months. Check out our detailed temperature page for more information.Temperature ranges by month
Precipitation and rainy days
Hilo is known for its substantial rainfall, with annual precipitation reaching 2136 mm. The climate in Hilo shows significant variation throughout the year. Expect heavy rainfall in March, with an average of 273 mm of precipitation over 19 rainy days. In contrast, June offers drier and sunnier days, with around 117 mm of rainfall over 18 rainy days. For more details, please visit our Hilo Precipitation page.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
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
Average humidity
The relative humidity is high throughout the year in Hilo.
The city experiences its highest humidity in April, reaching 80%. In January, the humidity drops to its lowest level at 75%. Explore our detailed page on humidity levels for further details.
Relative humidity over the year
broken clouds and no rain partly cloudy and no rain partly cloudy and rainForecast for Hilo (HI)
5 m/s
4 m/s
5 m/s
The best time of year to visit Hilo in the United States of America
Other facts from our historical weather data:August has an average maximum temperature of 26°C and is the warmest month of the year.
The coldest month is February with an average maximum temperature of 23°C.
March tops the wettest month list with 273 mm of rainfall.
June is the driest month with 117 mm of precipitation.
June is the sunniest month with an average of 179 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
