Hawaii's warmest months are not June and July, but August and September. Its coolest months, are not December and January, but February and March, reflecting the seasonal lag in the oceans's temperature.
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Temperatures at sea level generally range from highs of 84–88 °F (29–31 °C) during the summer months to 79–83 °F (26–28 °C) during the winter months. Rarely does the temperature rise from above 90 °F (32 °C) or drop below 60 °F (16 °C) at lower elevations.
Hawaii only has two seasons: summer and winter. Summer in the islands is characterized by warmer temperatures ranging from 75 – 85 Fahrenheit, a fairly dry climate, and a calmer ocean. Winter in Hawaii is cooler (65 – 75°), wetter, and has a larger, rougher surf.
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.
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.
Hawaii has semi-tropical weather. Temperatures usually range from 75-90 degrees year round in the daytime, and 70-80 degrees at night. Temperatures in the winter months may be a little cooler, where nighttime temperatures can sometimes fall into the 50's.
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.
Does it snow in Hawaii? The answer is yes, although only on top of the highest peaks on Maui and the Big Island. Every winter, storm systems bring frequent snow storms to elevations generally above 11,000 feet. This means that only Mauna Kea and Mauna Loa are impacted.
The end of the month gets pretty busy in Hawaii, with people flocking to this tropical paradise for the holidays. December is the most active tourist season for the islands. However, the rest of the month is tranquil, making it a lovely choice for a winter getaway.
Hawaii in February sees ideal temperatures in the 78 to 80 F range. The waters and beaches remain warm and inviting all year round. With this weather, beaches are the perfect spot for sunbathing and water sports.
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.
The truth is, Hawaii is consistently ranked as the most expensive state in the United States due to high housing, energy, transportation and food costs. Don't be discouraged—that doesn't mean it's completely out of reach for a buyer looking for their slice of paradise.
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.
Hawaii is beautiful and warm all year long, with none of the seasonal variations you might expect when you're at home on the U.S. mainland. For instance, temperatures hover between the low 80s in the winter and the high 80s in the summer — hardly a reason for seasonal wardrobe changes!
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.