Current Weather and Forecast in Hilo, HI
Hawaii, United States 🇺🇸
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Explore Hilo's typical temperatures and climate below - Live data returns shortly.
About the weather in Hilo
Hilo has a tropical rainforest climate. August is the warmest month, with average highs of 80°, and February the coldest, when nights fall to around 65°. March brings the most rain, on about 23 days, while June is the sunniest, with 11.7 hours of sunshine a day. Over a whole year it rains on roughly 273 days.
Hilo climate guide: monthly averages, seasons and the best time to visit
Common questions
Which month is wettest in Hilo?
March, at 9.9 inches (250 mm) over about 23 days. June is the driest month, at 5.1 inches (130 mm).
Which month is coolest in Hilo?
February, with highs of 75°F (24°C) and lows near 65°F (18°C). The coldest day in the 2015-2024 record fell to 58°F (14°C).
Does it snow in Hilo?
Effectively no. The 2015-2024 record for Hilo shows no regular measurable snowfall.
How much do temperatures drop at night in Hilo?
By about 5°C on an average day - a narrower day-to-night gap than most of the 3496 cities we track. In August that means 80°F (27°C) down to 71°F (22°C).
What is the best time to visit Hilo?
Aim for January to June if you get the choice: warm days, manageable rainfall and plenty of daylight line up, and highs average 76°F (24°C) against roughly 22 wet days a month. For the same question asked the other way round, see where else is warm in January.
What is the hottest month in Hilo?
August, averaging 80°F (27°C) by day and 71°F (22°C) overnight. The hottest single day in our 2015-2024 record for this location reached 86°F (30°C).
How often does it rain in Hilo?
About 273 days bring measurable precipitation, totalling 93.6 inches (2378 mm). That works out at roughly 8.7 mm on an average wet day.