What month is best for swimming in Hawaii?

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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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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Summer is the best time to take a dip in the warm Hawaiian waters. The ocean temperature hovers around 82°, and the wind and surf are reliably low. Visitors of any experience level can enjoy snorkeling in the clear, calm summer sea.

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In Miami Beach, water temps average as low as 71°F and as high as 86°F. In comparison to Hawaii, Miami's water temperatures dip lower than Hawaii's in the winter, but are a bit warmer in the summer. For a look at other coastal temperatures, see this link to the NOAA data.

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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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April thru June and mid-August thru mid-September are Hawaii's low seasons, and airfares are lower then. No matter what time of year you travel, you may be able to score better deals if you travel midweek.

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If it's your first time in Hawaii, your ideal island will depend on your travel style and to-do list. For most travelers visiting Hawaii for the first time, the Big Island of Hawaii should be the winner because it offers the most diverse experiences.

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Spring and Autumn are the “low” or “off” season in Hawaii. April through mid-June, and September through mid-December see the fewest tourists. This can result in a wider variety of options for you when it comes to hotels, transportation, and attractions.

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As Oahu has the most swimmable beaches and most easily accessible beaches, it takes the prize for the best beaches in Hawaii. As the second oldest major Hawaiian Island, Oahu has 227 miles of shoreline. You won't find towering sea cliffs on Oahu as you find on Kauai or Molokai.

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Water Temperatures in Maui In June and July, when temperatures are at their highest, the water is generally about 78°F/25°C, making it perfect or Molokini snorkeling. In August and September, when temperatures may slide back a few degrees, the water has gotten really warm and may be 80°F/26.6°C.

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Although Hawaii's rainy season is November through March, showers can fall anytime, mostly on the windward (northeastern) side of the Islands.

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The relatively high ocean temperatures and perfect weather make Hawaii the ideal destination for swimming and surfing. The average temperature of the ocean during April is around 77°F, which is warm enough for most visitors, especially those from cold climates.

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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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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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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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The best time to visit Hawaii is between March and September. This is when the islands see the highest temperatures and the lowest amount 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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With two days of travel, it is great to have 8 or more full days to explore the island you're staying on. If you are looking to hike, snorkel, or camp, we recommend taking even 14 days for your vacation.

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