Big Island Hawaii weather in August
Mild and comfortable, with regular rainfall. Average highs of 21°C and lows of 14°C, with around 16 rainy days expected throughout the month.
While August isn't our top-rated month for Big Island Hawaii, it has its own appeal — typically lower prices, fewer crowds, and a more local feel.
Average high
21°C
Average low
14°C
Rainy days
16 days
Best months to visit
Year-round
What to do in Big Island Hawaii in August
Whatever the weather, Big Island Hawaii rewards curious visitors. Here are some of the best ways to spend your time:
Explore
Dine
Culture
Nature
Shopping
Day trips
What to pack for August
Light layers work well — T-shirts and shorts for the day, a light jacket for evenings. Comfortable walking shoes are a must. Bring a compact umbrella just in case.
Browse other months
January
18C
Mild and comfortable, with some rainy days.
February
18C
Mild and comfortable, with regular rainfall.
March
18C
Mild and comfortable, with regular rainfall.
April
19C
Mild and comfortable, with some rainy days.
May
20C
Mild and comfortable, with regular rainfall.
June
20C
Mild and comfortable, with regular rainfall.
July
21C
Mild and comfortable, with regular rainfall.
August (you are here)
21C
Mild and comfortable, with regular rainfall.
September
21C
Mild and comfortable, with regular rainfall.
October
21C
Mild and comfortable, with some rainy days.
November
20C
Mild and comfortable, with some rainy days.
December
19C
Mild and comfortable, with some rainy days.
Book your August trip to Big Island Hawaii
Find hotels, tours and experiences for the perfect escape.
