The island has only two seasons: dry from April to October and wet or rainy from November to March, with December and January experiencing the most rainfall.
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The best time of year to visit Kauai is during off-peak seasons, between September and December or between April and June. During these times you can avoid the crowds and enjoy lower prices on accommodations and excursions. Either way, be sure to book everything far in advance!
The following chart shows the average monthly rainfall levels based on data collected at Kauai's main airport in Lihue. With 2.3 inches of rain or less, the driest months range from April through September. The rainiest month is December at 5.2 inches of rain.
While there may not be a “bad” time to visit Kauai, the late fall and winter months can be considered the island's low season. From October to December, Kauai experiences slightly higher rainfall, which can lead to more overcast days. However, don't be quick to dismiss this time of year.
Kauai is considered one of the rainiest places on the planet. Of course, that's one of the reasons it's also so lush. You can often find sunshine on the southern side, but it's not guaranteed, especially in the winter. Maui receives less rainfall than Kauai.
Wai'ale'ale. Located almost exactly in the middle of the island, this towering green mountain range is usually tucked behind a shroud of wispy rain clouds. Wai'ale'ale means “rippling water” or “overflowing water” in Hawaiian and is the second wettest spot on earth, receiving about 450 inches of rain each year.
Best Months for Snorkeling in KauaiSnorkeling is one of the top activities to try in Kauai! Seeing the coral reef and dozens of colorful fish is a can't-miss experience. The best time of year to go snorkeling in Kauai is between May and September due to the warm weather and calm waters.
MOUNT WAIALEALE, Kauai — This legendary peak dominates the geography of Kauai, jutting to an altitude of 5,148 feet and constituting possibly the wettest place on Earth. Or possibly the second-wettest, after Mawsynram, a mountain in India.
Most of Hawaii experiences only two seasons; the dry season running from May to October and the wet season from October to April; although Princeville is blessed with a consistent 6 inches or so of rain every month.
For a well-rounded experience, spending at least 5-7 days on Kauai is recommended. This allows enough time to explore the island's diverse attractions and participate in various activities while having some downtime for relaxation. If you're short on time, 4-5 days will allow you to see most of the island.
Personally, I feel that Kauai deserves your undivided vacation attention, and even a full devoted week in Kauai will still feel too short. For your 7 day Kauai itinerary, you definitely have time to move around and explore different areas for all the best things to do in Kauai.
Most of Kauai's rain falls at night and when our tropical showers arrive during the day, they are usually short and create spectacular rainbows. Our biggest tip to visitors… when it's raining in one area, drive 10 minutes and you will most likely find sunshine.
So, if you're heading to Kauai in the winter, leave the north shore for the surfers and head to the south shore beaches for better swimming conditions. While the south shore is swimmable year-round, the summer months can bring choppier waters to Kauai beaches on the south end.
Why Kauai, you ask? Well, let's start with the fact that it's known as the “Garden Island,” thanks to its lush greenery and vibrant flowers. But that's not all! Kauai is also famous for its stunning natural attractions, from the majestic Waimea Canyon to the awe-inspiring Napali Coast.
Kauai is the winnerIt has a variety of views and terrain to see. Rocky coastlines, beautiful beaches, lush jungles, and mountains and valleys. There is so much to see and do.
Hurricane season in Hawaii runs from June to November, though the Aloha State sees the most hurricanes in July, August, and September. Kara McGinley. As a journalist and as an insurance expert, her work and insights have been featured in Forbes Advisor, Kiplinger, Lifehacker, MSN, WRAL.com, and elsewhere.
With an average ocean temperature of 77F – 83F, Kauai's water temperature is also perfect for swimming year-round! While some beaches can get pretty crowded, you can easily enjoy a peaceful snorkeling session or find a secluded spot with miles of shoreline to settle on.