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.
People Also Ask
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!
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.
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.
Ocean ConditionsEven 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.
Water TemperaturesPacific 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.
December on Maui is the perfect escape from cold weather. Daytime temperatures remain comfortable in the low-80's and rarely drop below 70 at night. Though December is one of Maui's rainiest months, most rain showers (and large surf) are confined to the island's north shore.
The cheapest time to fly to Hawaii is during February and March. The most expensive month to fly is December when the holiday period falls, with January being very expensive as well. The peak travel months of June and July are surprisingly not the most expensive months for flights, with middle figure prices.
The Big IslandEarly 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.
The beautiful islands only have two seasons: the summer months, from May to October, and the “winter” months, from November to April. However, the best weather is in July, with an average high of 88° F and only light rainfall. The average temperature in Hawai'i in July usually doesn't fall below the mid-70s.
In general, Hawaii's off-season is in late winter (January to early March), late spring (late April to early June), and fall (September to mid-December).
Maui—A Winter WonderlandWhile Florida's ocean temperatures drop as much as 25 degrees from August to January, Maui stays within 5 degrees of its highs year-round! That means that during the holidays, Maui visitors swim in ocean waters that average a comfortable 75 degrees.
During the cooler months of December-May the average ocean temperatures range from 74-76 degrees F. If you think you may be chilly while snorkeling, we recommend wearing a neoprene a wet suit top while and you will be nice and warm.
It may sound silly since Hawaii is synonymous with warm water surfing but it does get chilly sometimes. You won't need to pack your winter 4/3 full suit by any means but a nice 1 or 2mm wetsuit top will help keep your core warm and allow you to surf longer, especially if the trade winds start to pick up.
Hawaiian Airlines reports that traveling to the state is generally cheapest in the shoulder seasons of late spring and early fall — and they should know, considering they operate both nonstop flights to Hawaii from the United States, Asia, and the South Pacific, as well as inter-island flights that can get you from one ...
Shorts and t-shirt, mostly.Certainly nothing more than chinos/capris and a lightweight, long-sleeved shirt/top. You'll want to bring a light jacket or sweater; evenings can be cool. Rain probably won't be an all-day affair, but the north shore will certainly be cooler, and it gets more rain in winter.
The Hawaiian Islands' near-shore water temperatures remain comfortable throughout the year. The average water temperature is 74° F (23.3° C), with a summer high of 80° F (26.7° C). Wave action varies dramatically between island coasts and seasons. Summer waters are typically gentle on all beaches.