Is the water in Hawaii warm or cold?

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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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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The risk of being attacked by a wild animal when swimming in Hawaii is low, as there is only a small number of shark attacks reported each year, and other marine life such as jellyfish, Portuguese man-of-war, moray eels, and sea urchins are more likely to cause a minor injury than a serious one.

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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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According to data from the National Oceanic Atmospheric Association (NOAA), the warmest water off Honolulu can be found from July to September—averaging 80 to 81 degrees Fahrenheit. However, Honolulu water temperatures drop to only 76 degrees in January, according to NOAA.

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It does not have the extremes of cold winters and summer heat waves and it usually does not have hurricanes and hailstorms. However, Hawaii's tallest peaks do get their share of winter blizzards, ice, and snow. Highest temperatures may reach into the 90s.

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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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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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Oahu. Oahu, also known as “The Gathering Place,” is home to some of the most iconic beaches in Hawaii, including world-famous Waikiki Beach, Lanikai Beach, and Sunset Beach. Waikiki Beach is one of the most popular beaches in the world and is known for its stunning views of Diamond Head, a volcanic cone.

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Pacific Ocean temperatures on Honolulu shores are warmer than those of Hilo, but both are still swim-worthy at 77 and 73 degrees, respectively. Ocean temperatures in December all around the Hawaiian islands rest comfortably at about 77 degrees.

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August is the hottest month in Hawaii with an average temperature of 27°C (81°F) and the coldest is January at 23°C (73°F) with the most daily sunshine hours at 11 in July. The wettest month is November with an average of 124mm of rain.

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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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Daytime temperatures reach well into the 80s and even the lower 90s in some locations, especially the drier leeward sides. Overnight low temperatures are in the 70s. At higher elevations, such as Haleakala on Maui and Mauna Kea and Mauna Loa on the Big Island, temperatures are much cooler.

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Yes, Hawaii is known for its high cost of living due to factors such as housing, groceries, utilities, and transportation. What salary do you need to survive in Hawaii? To survive in Hawaii, a single person may need a salary of around $50,000 to $60,000, while a family may require $80,000 to $100,000.

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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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Yes, it is safe to drink and use tap water on the island of O?ahu including in Waikiki. The Board of Water Supply in Hawai?i works in conjunction with State and Federal agencies, such as the U.S. Environmental Protection Agency and Hawai?i State Department of Health, to ensure the water in Hawai?i is safe to drink.

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Hawai?i is full of beautiful waterfalls, and they come in all shapes and sizes. Some are towering and majestic; others melodic and cascading. All can be enjoyed for their grace and power, but some offer an even more in-depth experience – the chance to swim beneath it.

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