VeabirdBeach

The Big Island in August

August is a middling month for the Big Island: a typical day grades A-, the 9th best of the 12 months. Expect highs near 86°F, water around 81°F and about a 20% chance of rain on a given day. Beaches are typically very busy (Mexico summer vacation and US summer school break).

Typical dayA-9th of 12 months
Highs / water86°FSea 81°F
Rain chance20%on a given day
Waves–typical
CrowdsVery busyMexico summer vacation
Storm riskLowhurricane season

The Big Island month by month

Typical grade and high for each month. Higher is better: A+ to F.

July: A- · August: A- · September: A. The best months are usually September, October and November, and the weakest are March and July.

Best beaches in the Big Island in August

Resorts with the best typical August, and their grades for the next few days.

BeachTypical AugThis week
Four Seasons Resort HualalaiA-SatA-SunA-MonA-TueAWedA
Fairmont OrchidA-SatASunAMonATueAWedA
SCP HotelA-SatB-SunB-MonB-TueA-WedA-
PACIFIC 19 KonaA-SatA-SunA-MonA-TueA-WedA
Kona By The SeaA-SatA-SunA-MonA-TueA-WedA
Kalani Retreat CenterA-SatB-SunB-MonB-TueA-WedA-
Ocean ClubA-SatA-SunA-MonA-TueAWedA
Hilton Waikoloa VillageA-SatA-SunA-MonATueAWedA

Grades for the next few days from Veabird's beach forecast, updated Oct 3, 18:00 UTC. Higher is better: A+ to F.

How it compares

The Big Island is among the best-graded beach destinations in August. Every destination in August.

Questions

Is August a good time to visit the Big Island?
August is a middling month for the Big Island: a typical day grades A-, the 9th best of the 12 months. Expect highs near 86°F, water around 81°F and about a 20% chance of rain on a given day. Beaches are typically very busy (Mexico summer vacation and US summer school break).
How warm is the Big Island in August?
Typical highs are about 86°F and the sea is about 81°F. That is warm enough for long swims without a wetsuit.
Is August hurricane season in the Big Island?
August falls in the tropical storm season; the typical risk on a given day is low. It peaks in September. Travel insurance and flexible bookings help.
How crowded is the Big Island in August?
Typically very busy, around Mexico summer vacation and US summer school break. The quietest months are usually September and October.

Plan it

Typical-month numbers from Veabird's year-ahead outlook for the 21 resorts here (median resort): 6 years of ERA5 climate normals, the seasonal pattern of the Atlantic sargassum belt, holiday crowd calendars and historical storm tracks. Any given year can differ; check the 16-day forecast before you go.

Coordinates approximate; forecasts are estimates, not safety guidance.