Is it cold to swim in Hawaii?

Water Temperatures The water temperature in Hawaii averages in the 70s, depending on the shore and time of year. Pacific Ocean temperatures on Honolulu shores are warmer than those of Hilo, but both are still swim-worthy at 77 and 73 degrees, respectively.



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With temperatures that summer between 75 and 80 degrees all year, Maui is by far the most reliable place in the U.S. to dive, dunk, swim, and snorkel in comfort.

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The seasonal range of sea surface temperatures near Hawaii is only about 6 degrees, from a low of 73 or 74 degrees between late February and March to a high near 80 degrees in late September or early October. The variation from night to day is one or two degrees.

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Water temperatures are around 74 degrees so swimming is a year round activity here in Hawaii. If you're looking into boating, snorkeling, surfing or any other Hawaii activity this winter, be sure to book as soon as possible!

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The Big Island Early in the year you might see migrating humpback whales offshore, and all year long the water is perfect for swimming, bodyboarding, and snorkeling, though as is true on most Hawaiian beaches, the surf will tend to be higher in the winter months and far gentler in summer.

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As a general rule, Hawaiian waters average 77 degrees in the wintertime to 82 degrees in the summertime. Now, compared to the U.S. West Coast, Hawaiian waters are definitely much warmer (10-20 degrees warmer) than the waters off Southern California. No comparison really for the U.S. West Coast.

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Additionally, August and September are Hawaii's warmest months, with August being the hottest month overall. You can expect the average high temperature to reach around 87 degrees daily, while the average low temperature tends to stay around 76 degrees in August.

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But for the most part, it's easy to decide what to wear in Hawaii. It's wonderfully warm year round–not cold and not too hot. Daytime highs typically average from the mid-70s to the mid-80s. Throughout the year, don't be surprised if it rains a bit; they are tropical islands!

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The sediment in Hawaii's oceans is made up of volcanic rock, coral, and shells which are heavy and not easily stirred up. The sediment quickly settles on the ocean floor, keeping the water clear.

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Best Time for Snorkeling and Swimming: Great swimming and snorkeling are possible year-round in Hawaii, but during summer months (May through September) water is warmer, waves are smaller, and skies are sunnier, making conditions ideal for these water-based activities.

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Hawaii has semi-tropical weather. Temperatures usually range from 75-90 degrees year round in the daytime, and 70-80 degrees at night. Temperatures in the winter months may be a little cooler, where nighttime temperatures can sometimes fall into the 50's.

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Risk in Hawaii Infections due to rhinovirus are most common during the fall and spring, but it is possible to get infected at any time of the year.

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While the water temperature in Kona Hawaii is typically much warmer than waters off of the Mainland United States some people still get cold while snorkeling on the Big Island. and some may be surprised or even shocked by the temperature when they first get in. As you get closer to the equator the water gets warmer.

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December (except for the first week), January and February are the busiest months, when prices for airfare and accommodations are at their highest. In particular, the last two weeks of December and the first week of January are prime times for travel, and hotels and flights are often booked to capacity.

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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.

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Culex quinquefasciatus is found on all islands and is the most common nigh-biting mosquito in Hawaii. The immature stages of all mosquitoes occur in water; only the adult mosquito lives out of water. Up to 250 are laid singly or in clusters, depending on the species.

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Lanikai Beach, Oahu, Hawaii It's ranked as one of the most beautiful beaches in the United States and has some of the warmest water, ranging from 77 to 82 degrees. What to do: The calm, clear waters are ideal for snorkeling.

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Avoid swimming at night, dawn and dusk. Well, that's when sharks tend to be the most aggressive and active. See more shark avoiding tips here. On Oahu, Box jellyfish usually arrive to the near shore approximately 7 to 11 days after the full moon of each month.

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