Essential Big Island Packing List
Pack smart for every climate zone from beaches to volcanoes to mountain summits
Written by a Local Expert
Kalani MillerChapter 5: Essential Big Island Packing List
If you only listen to one piece of my advice, it's this: pack a real jacket. I'm serious. Every night, I see visitors at the Hawaiʻi Volcanoes National Park overlook shivering in their t-shirts, completely unprepared for the temperature drop at 4,000 feet.
You can go from sweating on a black sand beach to needing a winter hat at the Mauna Kea Visitor Center in just a couple of hours. The key to comfort on the Big Island is to pack for every possibility.
Must-Haves for Land, Sea, and Summit
Reef-Safe Sunscreen
This is not just a suggestion. It's a matter of law and respect. Hawaiʻi has banned the sale of sunscreens containing the chemicals oxybenzone and octinoxate. They have been proven to cause coral bleaching and damage our delicate marine ecosystems. Please, check your labels. Look for mineral-based sunscreens with zinc oxide or titanium dioxide as the active ingredients. Our reefs will thank you.
Layers for Altitude
This is the most commonly forgotten item. You will need layers for the dramatic temperature changes at higher elevations.
For Volcano (4,000 ft): Evenings and early mornings are cool and crisp. A fleece or light jacket and long pants are perfect.
For Mauna Kea (9,200 ft+): The Visitor Information Station is cold, and the summit is often at or below freezing, with significant wind chill. A warm jacket, long pants, socks, and closed-toe shoes are essential.
🏖️ Sea Level (Beach)
- • Swimsuit & cover-up
- • Reef-safe sunscreen
- • Sunglasses & hat
- • Beach towel
- • Flip-flops (slippahs)
🌋 Mid-Level (Volcano)
- • Light jacket or fleece
- • Long pants
- • Hiking shoes
- • Rain jacket
- • Layers (t-shirt + long sleeve)
⛰️ High Altitude (Mauna Kea)
- • Warm winter jacket
- • Long pants
- • Closed-toe shoes
- • Hat & gloves
- • Extra layers
Quality Rain Gear
A lightweight, packable rain jacket is your best friend on the Hilo and Hāmākua Coast. It can start raining with little warning, but the showers are often brief and warm. A good jacket will keep you comfortable so you can continue exploring.
Sturdy, Closed-Toe Footwear
Flip-flops (slippahs, as we call them) are great for the beach. But they are not safe for exploring. Much of the island is covered in uneven, sharp volcanic rock. For any visit to Hawaiʻi Volcanoes National Park or for hiking on rainforest trails that can be muddy and slippery, you need sturdy hiking shoes or trail runners.
Reusable Water Bottle
Staying hydrated is crucial in the Hawaiian sun. More importantly, bringing a reusable bottle helps reduce single-use plastic waste, a simple but powerful way to practice mālama ʻāina (caring for the land).
Complete Packing Checklist
Beach & Sun
- ☐ Reef-safe sunscreen (zinc/titanium)
- ☐ Swimsuit & rash guard
- ☐ Beach towel
- ☐ Snorkel gear (optional)
- ☐ Water shoes
- ☐ Sunglasses (UV protection)
- ☐ Wide-brim hat
Layers & Weather
- ☐ Light jacket/fleece
- ☐ Warm jacket (for Mauna Kea)
- ☐ Rain jacket (packable)
- ☐ Long pants
- ☐ Long-sleeve shirts
- ☐ T-shirts & shorts
Footwear
- ☐ Hiking shoes/trail runners
- ☐ Flip-flops/sandals
- ☐ Socks (for hiking)
- ☐ Closed-toe shoes (Mauna Kea)
Essentials
- ☐ Reusable water bottle
- ☐ Insect repellent
- ☐ Small daypack/backpack
- ☐ Portable phone charger
- ☐ Camera
- ☐ Prescription medications
🌡️ Temp by Elevation
- Beach: 78-85°F
- Volcano: 60-70°F
- Mauna Kea: 30-50°F
- Summit: Below 32°F
⚠️ Don't Forget!
- • JACKET for Volcano visits
- • REEF-SAFE sunscreen only
- • HIKING SHOES for trails
- • RAIN JACKET for Hilo side
🗺️ Travel Guide
Other Essentials
Insect Repellent
Good to have for hikes in damp, forested areas. Mosquitoes can be present in certain locations, especially after rain.
Hat and Sunglasses
The sun here is strong, even on cloudy days. UV-protective sunglasses and a wide-brim hat are essential for eye and face protection.
Water Shoes
Helpful for exploring rocky coastlines or beaches with less-than-perfectly-sandy entries. Protects feet from sharp lava rock and coral.
Pack Smart, Travel Light
The key to enjoying the Big Island is being prepared for its incredible diversity. With the right layers and essentials, you can comfortably explore from sea level to summit, from sun-drenched beaches to misty rainforests. When in doubt, bring layers—you can always take them off, but you can't add what you don't have!