- Explore lowest airfares by destinations worldwide
- Find the cheapest month or filter by route or month
- Prices shown found on Skyscanner in last 8 days
Hawaii weather in August 2025
Expect 30°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Hawaii in August. Check more long-term weather averages for Hawaii in August before you book your next holiday to Hawaii in 2025/2026.
- 3030°C max day temperature
- 9 hours of sunshine per day
- 77 days with some rainfall
- 2222°C min night temperature
- 1313 hours of daylight per day
- HHigh heat & humidity
- 1414 mm of monthly rainfall
- 1111+ (Extreme) UV index
- 2727°C sea temperature
More about Hawaii
- Overview
- Best time to visit
- Weather by month
- 5-day weather forecast
- Destinations
- Travel advice
- Deals & discounts
Hawaii by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for Hawaii
The August weather guide for Hawaii (Honolulu, Oahu) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Top Hawaii destinations
Below are average maximum temperatures at popular countries, regions and places in Hawaii in August. Select a holiday destination to see more weather parameters.
All Hawaii destinations
- Halawa Bay, Molokai
- Hana, Maui
- Hanalei, Kauai
- Hilo, Big Island
- Honolulu, Oahu
- Hulopoe Bay, Lanai
- Kaanapali, Maui
- Kahului, Maui
- Kailua, Big Island
- Kailua, Oahu
- Kalaupapa, Molokai
- Kapalua, Maui
- Lahaina, Maui
- Lihue, Kauai
- Papohaku Beach, Molokai
- Waimea Bay, Oahu
- Waimea, Big Island
Metric (°C / mm) | Imperial (°F / inches)
More about the USA
How hot is it in Hawaii in August?
Daytime temperatures usually reach 30°C in Honolulu, Oahu, Hawaii in August with high heat and humidity, falling to 22°C at night.
How sunny is it in Hawaii in August?
There are normally 9 hours of bright sunshine each day in Honolulu, Oahu, Hawaii in August - that's 73% of daylight hours.
How warm is the sea around Hawaii in August?
The average sea temperature around Honolulu, Oahu, Hawaii in August is 27°C.
Does it rain in Hawaii in August?
There are usually 7 days with some rain in Honolulu, Oahu, Hawaii in August and the average monthly rainfall is 14mm.
What is the chance of a hurricane in Hawaii in August?
On average less than 1 day in August in Honolulu, Oahu, Hawaii is likely to be affected by the passage of one or more tropical storms.
Hawaii August sunrise & sunset times
Browse the sunrise and sunset times for Hawaii in August 2025. Select a month to view Hawaii sunrise and sunset times for the next 12 months. The Hawaii sunrise and sunset times shown below are for Honolulu, Oahu.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Friday, 1st August 2025 | 06:05 | 19:10 |
Saturday, 16th August 2025 | 06:10 | 19:00 |
Sunday, 31st August 2025 | 06:15 | 18:48 |
Be inspired
Get your weekly fix of holiday inspiration from some of the world's best travel writers plus save on your next trip with the latest exclusive offers
We promise not to share your details
Related posts
Popular travel offers
Explore holidays in the sun for less
- Beach holidays
- Family holidays
- City breaks
- Summer holidays
- Winter sun holidays
- Holiday offers
- Top travel brands
- Airlines & flights
- Discount hotels
- Airport parking deals
- TUI
- Jet2holidays
- easyJet holidays
- Love Holidays
- Boxing Day sales
Airport parking
- Manchester Airport
- Stansted Airport
- Bristol Airport
- Luton Airport
- Birmingham Airport
- Edinburgh Airport
- Gatwick Airport
- Glasgow Airport
- Newcastle Airport
Airport lounges
- Manchester Airport
- Birmingham Airport
- Bristol Airport
- Edinburgh Airport
- Glasgow Airport
- Heathrow Airport
- Newcastle Airport
- Stansted Airport
- Gatwick Airport