Things to Know

The practical stuff that makes a trip smooth

Weather in June, ocean safety, the reef-safe sunscreen law, wildlife rules, driving, money, culture, and a packing list. A little prep here prevents the small problems that derail a day.

Weather in June Ocean safety Reef-safe law Wildlife rules Driving Money & time Culture Packing

Weather in June

Forecasts📷 Photos▶ June weather🌐 NWS Honolulu

June is one of the best months to visit — the start of the dry season, warm and reliable. But Hawaii’s weather is local: it depends on which side of the island you’re on, not just the date.

~80–86°F
typical June highs at sea level
~70°F
comfortable nights
~77–80°F
ocean temperature

Windward vs. leeward

Windward (north/east) sides are greener and wetter — passing showers even in June. Leeward (south/west) sides are drier and sunnier — that’s where most resorts/condos sit (Waikīkī, Kīhei, Poʻipū, Kona). Pick the sunny side as a base.

Altitude is a different climate

Up high it’s cold. Haleakalā at sunrise can be near freezing; Mauna Kea’s summit is frigid and thin-aired. Beach clothes won’t cut it up there — bring warm layers for any summit plan.

Bottom line for our dates

Expect lovely beach weather with brief windward showers. June also means calm north shores (great swimming) and occasionally bigger south-shore surf. Hurricane season technically starts June 1 but early-June activity is rare.

Ocean safety — read this one

Ocean safety▶ Ocean safety🌐 Hawaii Beach Safety

The ocean is the #1 visitor danger in Hawaii. It’s powerful and changes fast. A few rules keep everyone safe:

  • Never turn your back on the ocean — “sneaker” waves catch people off guard.
  • Swim at lifeguarded beaches and ask them about conditions.
  • “When in doubt, don’t go out.” If locals aren’t swimming, don’t.
  • Obey warning flags & posted signs (high surf, jellyfish, currents).
  • Rip currents: if caught, don’t fight it — swim parallel to shore, then back in.
  • Don’t stand on or walk near wet rocks by big surf.
  • Snorkel with a buddy; watch for boat channels.
  • Check safebeachday.com (Hawaii Beach Safety) before beach days.

The simplest rule

Conditions vary hugely by beach and day. Pick lifeguarded beaches, ask the lifeguard, and respect the water. Most ocean incidents are preventable with caution.

Reef-safe sunscreen is the law

Reef-safe📷 Photos▶ Reef-safe sunscreen

Hawaii banned the sale of sunscreens containing oxybenzone and octinoxate (harmful to coral) under Act 104 (SB 2571), in effect since January 1, 2021. Maui County goes further — requiring mineral-only sunscreen.

✅ Bring/buy

  • Mineral sunscreen — active ingredients non-nano zinc oxide and/or titanium dioxide.
  • Look for “reef-safe / reef-friendly,” but check the ingredient list to be sure.
  • Hats, rash guards & shade reduce how much you need.

🚫 Avoid

  • Anything listing oxybenzone or octinoxate.
  • Aerosol/“chemical” sunscreens from home that contain them — buy mineral before you go.

Simplest move: buy a couple of mineral sunscreens before the trip so we’re covered (literally) the moment we land.

Wildlife — look, don’t touch (it’s the law)

Honu — green sea turtle
Honu — green sea turtle · Photo: USFWS Pacific / Public domain, via Wikimedia Commons
Hawaiian monk seal
Hawaiian monk seal · Photo: USFWS Pacific / Public domain, via Wikimedia Commons
Wildlife rules📷 Photos▶ Viewing distances🌐 NOAA viewing rules

Hawaii’s sea turtles, monk seals, and dolphins are protected. Touching or harassing them carries real fines. Keep these distances:

AnimalStay backNotes
Sea turtles (honu)~10 ftCommon on beaches; never touch or feed
Hawaiian monk seals~50 ft (150 ft from a mom + pup)Endangered; they rest on beaches — give wide space
Spinner dolphins~50 yardsFederal rule; they rest by day — don’t swim toward them
Whales~100 yardsMostly a winter thing — gone by our June dates

Use zoom on the camera, not your feet. If an animal reacts to you, you’re too close.

Getting around

Rental car (most islands)

  • A car is essential everywhere except a Waikīkī-only stay.
  • Drives take longer than maps suggest — winding, scenic, slow roads.
  • One-lane bridges (Road to Hāna, north Kauaʻi): locals have right-of-way; alternate politely; let locals pass.
  • Don’t leave valuables in the car at trailheads/beaches — break-ins happen.
  • Download offline maps — signal drops in rural/remote areas.

Oʻahu transit option

  • Oʻahu has TheBus (island-wide) and the new Skyline rail — useful around Honolulu.
  • In Waikīkī you can manage a few days without a car, renting one only for day trips.
  • The other islands have minimal transit — plan on driving.

Vog

Near Kīlauea (Big Island) and sometimes Kona, volcanic haze (“vog”) can affect air quality on certain days — worth noting for anyone sensitive. It varies with the eruption and wind.

Money & time

💵 It’s expensive

Most groceries & goods are shipped in, so prices run well above the mainland. The condo kitchen helps a lot.

🪙 Tipping

Standard U.S. tipping: 18–20% at restaurants, a few dollars for housekeeping, tip tour guides/drivers.

🕐 Time zone

Hawaii Standard Time is UTC−10, ~5 hours behind Central (no daylight saving). Plan calls home accordingly.

🏨 Lodging tax

Hawaii adds steep transient-accommodation + county taxes (~18% total) on lodging — budget for it.

🛂 No passport

It’s a U.S. state — domestic ID only. Make sure everyone has REAL ID for flying.

📱 Connectivity

Good in towns/resorts; spotty in remote areas (Hāna, Kōkeʻe, summits). Offline maps + downloads help.

Culture & etiquette

Culture📷 Photos▶ Etiquette▶ Words

Hawaii has a living host culture. A little respect goes a long way and makes the trip richer.

Words you’ll use

  • Aloha — hello, goodbye, love, a way of being
  • Mahalo — thank you
  • ʻOhana — family
  • Mauka / makai — toward the mountain / toward the sea (how locals give directions)
  • Pau — finished/done · Keiki — child · Wahine/Kāne — women/men (restrooms!)
  • The shaka 🤙 — a friendly “hang loose” wave

Be a good guest

  • Remove shoes before entering a home (and many rentals).
  • Don’t take rocks/sand — culturally discouraged and sometimes illegal.
  • Respect sacred sites (heiau), closures, and private land.
  • Drive patiently; locals live here — slow down, wave thanks.
  • Be mindful in Lahaina (Maui) — a community in recovery.
  • Take only photos; pack out trash; tread lightly on reefs.

Packing checklist

🩱 Beach & sun

  • Mineral reef-safe sunscreen (buy before)
  • Rash guards / UV shirts, hats, sunglasses
  • Swimsuits ×2, quick-dry towel
  • Own snorkel/mask (optional; comfort + hygiene)
  • Water shoes / reef-safe sandals

🥾 Activity

  • Light hikers / sturdy sandals
  • Warm layers for Haleakalā / Mauna Kea
  • Light rain jacket (windward showers)
  • Daypack + reusable water bottles
  • Dry bag for boat tours

🌾 Celiac & misc

  • GF snacks + GF tamari packets
  • Meds, motion-sickness (boat tours), aloe
  • Reusable bags for groceries
  • Chargers, portable battery, adapters n/a (US)
  • REAL ID, cards, a little cash for markets

🌾 Don’t forget the food kit

Travel-day snacks, GF tamari, and any specialty staples that might be pricey/hard to find. First stop on-island is the grocery run — see Food & Celiac.

Official links & checklists → Back to the plan →