Can you swim in Hawaii in January?

Even though January is one of Hawaii's cooler months, the ocean temperatures are still warm enough to allow you to swim comfortably. You can expect the ocean temperatures to reach around 72 to 76 degrees F, making the water just slightly cooler than the outside temperatures at the peak of the day.



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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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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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While airfares to Hawaii during January are not as cheap as those from February to March, you can still find more affordable flights compared to the peak months. January is the time when the holiday rush is starting to subside. Because of this, you can expect to find open seats around mid-to-late January.

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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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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. It's the perfect time to enjoy the beach or the water.

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Think of what you normally wear when temperatures are in the upper 70s and lower 80s in your home town. That's what would be appropriate for a winter vacation in Hawaii. For us, we wear shorts and short-sleeved shirts for most sightseeing and activities. We don't pack winter coats or heavy sweaters or any winter wear.

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January and February are very similar in Hawaii. On the one hand the ocean is a couple degrees warmer in January and it's slightly less busy (except New Year's week). And we've observed better prices on airfare in January versus February. But January usually has more rainfall.

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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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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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