Is Hawaii too cold in December?

Air Temperature Early December in Honolulu sees temperatures as warm as the low 80s. Air temperatures vary by about eight to ten degrees from daytime to nighttime year-round in Hawaii. You will find the average temperatures slightly warmer overall in the summer months, along with the ocean temperatures.



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Ocean Conditions 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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From November to April, weather winter Hawaii temperatures typically range from 75 to 80°F, with the rainiest months being March and April. Rainfall is less common on the southern and western coasts of most Hawaiian Islands.

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Hawaii Weather in January is Pleasant If you're interested in surfing, swimming, hiking, or taking a helicopter tour on your trip, you'll be happy to know that January offers ideal weather conditions for each of these activities.

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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.

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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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With excellent December weather and classic holiday season markers like Christmas trees and lights, along with fun events celebrating Hawaiian Christmas traditions, it's one of the most unique times to visit the Hawaiian Islands.

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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.

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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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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.

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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. South shore should be warm and sunny. For swimming in winter I wear the equivalent of a short-sleeve rash guard.

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Hawaii has warm water all year long. Averaging 77 degrees Fahrenheit, Hawaii is ideal for snorkeling without a wetsuit year-round.

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While many vacations are five to seven days long, we recommend staying for at least 10 days to enjoy your Hawaiian vacation. The time change is difficult to adjust to at first and takes about 3 days to get fully acclimated. So, allowing a couple days to get over the jet lag is important.

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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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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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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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However, in most cases, rain tends to fall at night in Hawaii. If the rain worries you, consider booking your stay on the leeward side of the islands, as they tend to be drier. You can also look at the islands with the least rain in December, which include Big Island and Maui.

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Diving conditions; The water is still warm enough to swim thanks to the relatively stable temps that the waters around Maui maintain throughout the year. Water temps can be comfortable, around 75 degrees Fahrenheit through the end of the month.

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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.

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