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Hawaii / Maui, United States · Temperate oceanic

Hawaii / Maui in August: go or not?

Excellent time. Hawaii / Maui in August scores 8.3/10.

📅 Updated August 2026 🛰️ ERA5 · 10 years 📍 20.80°N · 156.33°W
⚡ This month's verdict
Go for it
Hawaii / Maui · August
8.3
20–27°
Temperature
34%
Rain
8h
Sun
🌊 Seaside☀️ Bright🍴 Gastronomy
Photo : Tamara Bravo via Unsplash
The month in detail

What to expect in August

Summer in Hawaii / Maui brings pleasant temperatures (27.0°C) and long sunny days (7.8h of sunshine). Expect rain on 34.0% of days — a light raincoat in the bag is recommended. A good balance between weather and crowds, even if July (8.4/10) remains theoretically better.

August ranks 2 out of 12 months in Hawaii / Maui.

This month's conditions

What it's like in August

UV index
8 · very high
protection essential
Feels like
muggy at times
18°
Sea
27°C
warm, ideal
Daylight
12.7h of daylight
Air quality
excellent
AQI 14
Compare

Is August the right month?

The best month in Hawaii / Maui is July (8.4/10), 0.1 pt higher than August.

See July →See all 12 months →
Context

Our verdict

Big Island (officially Hawaiʻi) is the largest and youngest of the archipelago: active volcanoes (Kilauea, Mauna Loa), 11 climate zones on a single island, observatories on Mauna Kea (4205m).

Read Gilles' full review →

Book

Plan your trip

Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.

🎟️ Activities & tours · Hawaii / Maui

GetYourGuide selection · free cancellation

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Affiliate link · GetYourGuide
Practical info

What you need to know before you go

Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a beach holiday.

Country · United States

🗣️LanguageEnglish
💶CurrencyUS Dollar ($)
🚗DrivingRight-hand
🛡️Safety Very safe · 1/5
💰Cost of living Expensive · 4/5

🌡️ Climate

🌍Climate typeTemperate oceanic
📈Climate trend Stable
🔥Hottest monthJuly · 27°C
❄️Coolest monthJanuary · 22°C
🌧️Rainiest month February · 56%

🏖️ Beach holiday

📅Peak seasonJuin → Sept
🏖️Swell (Sept–Mar) Modérée
Location

Where is Hawaii / Maui ?

Global position + regional geographic context.

🌍 World
🔍 Geographic context
United States
Temperate oceanic climate with a 8.4 → 7.4 gap between best and worst month. 10 years of ERA5 data to choose by project.
20.80°N · 156.33°W
Questions

Frequently asked questions

What is the best time to visit Hawaii / Maui?
July is the best month with 27.0°C highs, 20.0°C lows, 8.2h of sunshine and 32.0% rainy days. The months of July & June offer comparable conditions.
How many hours of sunshine does Hawaii / Maui get in July?
Hawaii / Maui averages 8.2 sunshine hours per day in July. It is the sunniest month with a climate score of 7.9/10.
What is the rainiest month in Hawaii / Maui?
February is the most unfavourable month with February has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in Hawaii / Maui in July?
In July, overnight lows reach 20.0°C, while afternoon highs average 27.0°C.
Is Hawaii / Maui good in winter?
In winter (December-February), Hawaii / Maui scores 7.1/10 on average — Decent period conditions for cultural visits.. The best month overall remains July with a score of 7.9/10.
When should you avoid Hawaii / Maui?
February is the most difficult month to visit Hawaii / Maui, with February has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.
Can you swim in Hawaii / Maui in August?
In August, the sea averages 27°C in Hawaii / Maui: warm, ideal. Ideal conditions for swimming and snorkeling.
Do you need sun protection in Hawaii / Maui in August?
The average UV index reaches 8 in August in Hawaii / Maui (very high), with about 12.7h of daylight. Protection essential.