Planning a trip and wondering about Hawaiʻi's rainy season? Hawaiʻi doesn't really have a "rainy season" in the dramatic sense many travelers imagine — no monsoons, no washed-out weeks. What it has instead is a wetter winter stretch, roughly November through March, when trade winds ease up and Pacific storm systems occasionally roll through. Here's what to actually expect.
When Is Hawaiʻi's Rainy Season?
Hawaiʻi's wet season generally runs from November to March, with the wettest months typically being December and January. The dry season (April through October) is sunnier and more predictable, but even then, brief showers are common — especially on windward coasts. Rain in Hawaiʻi tends to arrive in short, passing showers rather than all-day downpours, so a "rainy" forecast rarely means a ruined vacation day.
Why Some Spots Stay Dry While Others Don't
Every island has a windward (wet) side and a leeward (dry) side, thanks to the mountains that block and funnel trade-wind moisture. Places like Hilo on the Big Island and the North Shore of Kauaʻi are famously lush and rainy year-round, while resort areas like Waikīkī, Kaʻanapali, and the Kona Coast stay comparatively dry even in winter. If rain is a concern, booking a stay on the leeward side is the simplest fix.
What Winter Rain Actually Looks Like
- Short, localized showers that often clear within 20-30 minutes
- Occasional Kona low pressure systems that can bring several days of steadier rain, mostly December through February
- Dramatic skies — rainbows, moody clouds, and golden-hour light breaking through storm fronts are some of the most photogenic moments in the islands
- Higher surf and stronger currents on north-facing shores, which is also prime humpback whale season
Winter is also when the islands feel their greenest — waterfalls run fuller, valleys turn vivid green, and the landscape photographers chase all year finally delivers. Many longtime visitors actually prefer traveling during the wetter months for exactly this reason, on top of lower airfare and hotel rates.
Packing for a Wet-Season Trip
A light rain jacket or packable poncho, quick-dry clothing, and a dry bag for electronics go a long way. Locals rarely carry umbrellas — showers pass too fast to bother — so dressing for quick-dry comfort beats dressing for a downpour. Pair that with a comfortable, breathable tee from our Islands & Places collection, and you're set for sun breaks between showers.
Bring the islands home: Explore our Islands & Places Collection — original designs from our Native Hawaiian–owned studio in Kailua-Kona, Hawaiʻi. Here are a few of the newest additions:
Ohana Family Tee — a heartfelt reminder that 'ohana means nobody gets left behind, rain or shine.
Banyan Tree Lahaina Tee — honoring one of Maui's most enduring landmarks.
Mauna Kea Stargazing Tee — for the clear nights that often follow a passing winter storm.