What to Wear in Maui in August 2026
Maui in August is peak Pacific summer continuing — 32°C / 90°F afternoons, 22°C / 72°F nights, 6 rain days. Pacific hurricane season at peak.
- Lightweight cotton or linen — peak trade winds
- Leather sandals — Olukai (Honolulu 2006)
- Swim cover-up + rash guard
- Light cardigan — upcountry mornings, AC
- Reef-safe SPF 50 — Hawaii state law since 2021
- Fleece for Haleakalā summit — 2-7°C / 36-45°F predawn
- Synthetic — Pacific tropical humidity
- Skip reef-safe SPF 50
- Molokini without reservation — peak August
Maui in August continues peak Pacific tropical summer. NOAA Kahului (OGG) data put afternoon highs at 32°C / 90°F and overnight lows at 22°C / 72°F with 6 rain days. UV index 11 (extreme). Trade winds at peak. Pacific hurricane season at peak (Aug-Sep) — most storms pass well south of Maui, but the local advisory cycle stays active through September. The August 8 anniversary of the 2023 Lahaina fire is observed across the island — visitors should note the date and expect quiet or closed observances at memorial sites. The dressing rule continues: lightweight cotton or linen, leather sandals, swim cover-up, light cardigan for AC and upcountry, wide-brim sun hat, polarized sunglasses, reef-safe SPF 50. Mahina (Maui 2009), Pakaloha Bikinis (Maui 1997), Honolua Surf (1981), plus pan-Hawaii heritage Reyn Spooner (1956), Kahala (1936), Tori Richard (1956). Sea temperature 27°C / 81°F (warmest of year, holding from July).
Maui August is peak Pacific summer continuing — Honolua Bay snorkel reef visibility at peak before the September swells close the bay, the Mahina Pā'ia late-summer collection landing, the Lahaina Front Street rebuild marking the second anniversary of the August 8, 2023 fire.
The capsule
- Lightweight cotton or linen midi dress — NWS Kahului logs 32°C / 90°F afternoons through August. Cotton in ivory or sand handles the August Lahaina memorial-anniversary observances on August 8 (subdued, modest cuts appropriate); linen in oat for the Andaz Maui Bumbye sushi sunset and the Honolua Bay snorkel afternoon at peak reef visibility.
- Linen wide-leg trousers or cotton shorts — Daily wear at the Pā'ia town shops and the Iao Valley State Park visit. Linen in flax for the Merriman's Kapalua tasting; cotton shorts for the Hāmoa Beach Hana day. Watch for vog (volcanic smog from Big Island Kīlauea) when winds shift SW.
- Leather sandals — Olukai — Olukai (Honolulu 2006) leather sandals in cognac for the Mama's Fish House (Pā'ia 1973) sunset and the Wailea boardwalk evening walk. Slip-off ready — Hawaiian shoes-off etiquette holds at every home and B&B entry.
- Swim + cotton cover-up + rash guard — Sea sustains 27°C / 81°F (warmest of year) into August per NOAA. Cover-up in sand or sage for the Molokini snorkel and the Honolua Bay snorkel — peak reef visibility before September north-swell starts closing the bay. Rash guard mandatory; UV index 11 burns shoulders in 20 minutes.
- Light cardigan — Trade winds drop upcountry Pā'ia mornings to 20°C / 68°F and Makawao to 18°C / 64°F predawn. Cotton or merino in ivory layers under the kaftan for the Komoda Store & Bakery (Makawao 1916) breakfast and the Kula Country Farms early-morning visit.
- Wide-brim sun hat + polarized sunglasses + reef-safe SPF 50 — UV index 11 (extreme); Hawaii SB 2571 (January 2021) bans oxybenzone and octinoxate. Zinc SPF required at Molokini and Honolua Bay; operators check. Vog haze from Big Island Kīlauea can drop UV slightly but still burns through 20 minutes; polarized lenses cut Pacific glare on the Hāna Highway.
- Fleece + leggings — for Haleakalā summit — Haleakalā summit (3,055m / 10,023ft) predawn sunrise drops to 2-7°C / 36-45°F even in August with summit wind. Recreation.gov reservation required for the 03:00-07:00 window. Pack: fleece, leggings under hiking pants, wool hat, gloves, headlamp. Sunrise sits roughly 06:05 in August.
- Reyn Spooner Aloha shirt or Mahina kaftan — for evening — Reyn Spooner (Honolulu 1956) reverse-print is the pan-Hawaii business-casual standard at Mama's Fish House, Merriman's Kapalua, and Lineage Wailea. Mahina (Maui 2009) silk-cotton kaftans for women carry the recognized local-designer signature. Pair with linen trousers, leather sandals, and a light cardigan.
Day to night
Cotton dress · sandals · sun hat · sunglasses · reef-safe SPF 50 · crossbody · water bottle. Coffee at Pā'ia Bay Coffee 7am, Honolua Bay snorkel 8am, Wailea Beach 11am.
Linen trousers · Reyn Spooner Aloha shirt or Mahina kaftan · cardigan · leather sandals. Dinner at Mama's Fish House or Merriman's Kapalua 18:30; sunset at Kapalua Bay after.
What to avoid
- Synthetic — Pacific tropical humidity
- Oxybenzone-based sunscreen — Hawaii state law
- Molokini without reservation
- Stilettos at Wailea sunsets
- Insensitive behavior on the August 8 Lahaina anniversary
Frequently asked questions
Yes — August is peak Pacific tropical summer with consistent 32°C (90°F) afternoons, 22°C (72°F) nights, 6 rain days. UV index 11 (extreme). Sea temperature 27°C / 81°F (warmest of year, holding from July). Pacific hurricane season at peak — most storms pass south of Maui, but the Central Pacific Hurricane Center advisory cycle stays active. Hotel rates higher than May. Pack the cotton-and-linen combination with reef-safe SPF 50, a fleece for the Haleakalā summit, and the August 8 Lahaina-anniversary awareness.
Per NOAA Kahului (OGG): average daily high 32°C (90°F), low 22°C (72°F), 6 rain days totalling 14mm. Peak Pacific tropical summer continues. UV index 11 (extreme). Sea temperature 27°C / 81°F. Daylight 12h 50m. Trade winds at peak. Pacific hurricane season at peak (Aug-Sep) — most storms pass well south but the advisory cycle stays active. Vog (volcanic smog from Big Island Kīlauea) can haze the leeward sides when winds shift SW.
Yes — August 8 marks the anniversary of the 2023 Lahaina fire (the deadliest US wildfire in over a century, killing at least 102 people). Maui County, the Lahaina community, and Hawaii state typically observe the date with quiet memorial gatherings, lei-laying at the Banyan Tree (which survived the fire and was being nursed back by 2024), and reflection. Front Street businesses observe quietly or close. Visitors should: avoid insensitive Front Street tourism on August 8; respect any community-only observances; if attending a public memorial, dress modestly (cotton, leather sandals, no swimwear or beach attire); skip drone photography over Lahaina at any time.
Watch but don't cancel. Pacific hurricane season runs June 1 to November 30; the August-September window is the seasonal peak. Most Pacific hurricanes pass well south of Maui (the islands sit on the cooler northern edge of the Central Pacific basin), but direct hits do happen — Hurricane Iniki devastated Kauai September 1992; Hurricane Lane brought 130cm / 50in of rain to the Big Island August 2018. Follow the Central Pacific Hurricane Center (CPHC, NOAA Honolulu) advisory cycle and your hotel's hurricane plan. Pack: a packable rain shell; flashlight; phone-charging power bank; copies of travel documents. Travel insurance covering hurricane disruption is sensible August-September.
Honolua Bay snorkel (peak reef visibility before the September north-swell starts closing the bay through winter — this is the August window); Molokini Crater snorkel (book 2-3 weeks ahead, peak season); Haleakalā sunrise (Recreation.gov reservation required, fleece mandatory); Road to Hana day-trip (10-12 hours round-trip with stops); Hāmoa Beach (Hana side, the heritage Pacific photogenic crescent); Iao Valley State Park (the heritage 360m / 1,181ft Iao Needle, accessible boardwalk); the Maui Ocean Center (Maalaea, the heritage Maui aquarium with the Hawaiian green sea turtle exhibit); Old Lahaina Lūʻau (subject to current operations after the 2023 fire — verify before booking).
