Big Island Weather By Month
The Big Island of Hawaii is a tropical paradise renowned for its diverse landscapes, stunning beaches, and rich cultural heritage. One aspect that greatly influences the island experience is its weather patterns. With its varying microclimates and unique geography, the Big Island presents a weather spectrum that is both fascinating and unpredictable. In this article, we will explore the weather conditions on the Big Island, month by month, providing a comprehensive guide for travelers and locals alike. Keep in mind, the weather in the Big Island varies day to day, so use this as a guideline when making plans.
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January
January marks the peak of the winter season on the Big Island. The weather is generally mild, with average temperatures ranging from 65°F (18°C) to 79°F (26°C).
The eastern side of the island, including Hilo, tends to receive more rainfall.
While the western side, encompassing Kona, experiences drier conditions.
Visitors during this month can expect occasional showers, but they are usually short-lived. It’s a great time for whale watching along the coastlines.
Tips from a Local
- The ideal destinations to explore in January are influenced by your desired environment.
- As the rainy season commences during this month, the Eastern side of the Big Island of Hawaii experiences abundant rainfall, showcasing the island’s natural beauty in a different light.
- However, if you prefer to avoid the rain and bask in sunny conditions, it is advisable to stay on the Western side. Kona, known for its drier climate, offers the opportunity to enjoy warm, sunny weather for several hours each day, even during the wet season.
Events and Activities to do
- Ho’olaule’a Music Festival – Immerse yourself in the vibrant spirit of the Big Island’s annual music festival, Ho’olaule’a, held in Hilo.
February
February brings similar weather conditions as January.
The east side may receive more rainfall, so packing a light rain jacket is advisable
The ocean waters are also suitable for swimming and snorkeling, with temperatures around 75°F (24°C).
Tips from a Local
Best place to visit is Volcanoe National Park. Temperatures remain pleasant, making it an ideal time to explore the island’s natural wonders.
Events and Activities to Do
- 12th Annual Wiliwili Festival (Waikoloa)
- Waimea Cherry Blossom Heritage Festival (Waimea)
March
As spring emerges, March brings a transition in weather patterns. The temperatures start to rise, ranging from 66°F (19°C) to 80°F (27°C), making it an excellent time for outdoor activities.
The rainfall lessens, particularly on the west side of the island, providing sunnier days for exploration.
Tips from a Local
March of 2023 brought an unexpected weather pattern to Hilo, located on the Eastern side of the Big Island of Hawaii, as it experienced nearly continuous rainfall for approximately three weeks. Disappointed by the persistent rain, many visitors opted to explore the Western side, particularly Kona. However, to their dismay, although the Western side offered mostly sunny conditions, it was occasionally cloudy with sporadic rainfall. It is important to note that the weather changes every year, but the trends from the past are clearer days ahead for the Spring months.
- Best places to visit:
- East side:
- Liliuokalani Japanese garden
- Hamakua Farmers Market (Sunday mornings)
- Cafe Pesto (Hilo restaurant)
- East side:
Events to Do
- Merrie Monarch Festival- The Big Island celebrates the annual Merrie Monarch Festival in Hilo during March, showcasing traditional Hawaiian hula dancing.
April
April is a beautiful time to visit the Big Island, with mild and comfortable temperatures ranging from 67°F (19°C) to 81°F (27°C). Rainfall decreases further, and the island blooms with vibrant colors.
The rainfall lessens, particularly on the west side of the island, providing sunnier days for exploration.
Tips from a Local
It’s an excellent time for beach activities, hiking, and exploring the lush rainforests. Snorkeling enthusiasts can explore the captivating underwater world, as the water visibility improves.
Events/Activities to do
- Big Island Chocolate Festival is located in the Waikoloa Beach Marriott Resort & Spa.
May
May ushers in the start of summer on the Big Island, bringing warmer temperatures. Average temperatures range from 69°F (21°C) to 83°F (28°C). The beaches become more popular during this time, as the water temperature reaches around 77°F (25°C).
The eastern side of the island experiences occasional rainfall throughout the month.
The western side of the island experiences less rainfall, while the eastern side may still encounter occasional showers.
Tips from a Local
- The end of May is filled with joyous celebrations as numerous schools prepare for their graduation ceremonies.
- Wanting to avoid crowds? Visit the Big Island of Hawaii in the early Month of May!
Events/Activities to do:
Lei Day- Big Island celebrates Lei Day on May 1st, a joyous occasion where locals and visitors come together to adorn colorful leis, enjoy hula performances, lei-making demonstrations, contests, and entertainment, all while embracing the spirit of aloha.
June
June marks the beginning of the dry season on the Big Island. The temperatures continue to rise, ranging from 71°F (22°C) to 85°F (29°C). The island experiences less rainfall overall, making it an excellent time to explore the outdoors.
Experience the arrival of sunnier, hotter, and more humid days as both the East and West sides of the island bask in abundant sunshine. With reduced rainfall, especially on the west side, there are ample opportunities to enjoy sunny exploration.
Tips from a Local:
- Best places to visit:
- Night Manta Ray Adventure on the Big Island, Kailua-Kona. A great time to visit as the water is warm even at night!
- From hiking to visiting the breathtaking waterfalls and indulging in water sports, June offers ideal conditions for adventure seekers.
Events/Activities to do:
Obon Festival- Experience the vibrant spirit of the Big Island’s annual Obon Festival
- This traditional Japanese Bon dance is celebrated across all the islands of Hawaii, with festivities scattered throughout the island.
July
July is synonymous with warm, sunny weather on the Big Island. The temperatures range from 72°F (22°C) to 86°F (30°C), making it perfect for lounging on the pristine beaches or snorkeling in the crystal-clear waters.
In July, the Big Island of Hawaii experiences warm and tropical weather on both sides of the island. It’s a perfect time to enjoy the island’s beautiful beaches and indulge in outdoor activities amidst the inviting warmth of the summer sun.
Tips from a Local:
Best place to visit:
- The Kohala Coast, known for its luxury resorts, offers ideal conditions for relaxation and water activities. It’s a popular month for both locals and tourists.
Events/Activities to do:
- Hilo Brewfest- Immerse yourself in an unforgettable experience of lively live music, delectable cuisine from beloved local restaurants, and, of course, an array of delightful beers to savor.
August
August continues the trend of warm temperatures and minimal rainfall. Average temperatures range from 73°F (23°C) to 87°F (31°C), with the sun shining brightly throughout the day.
The weather on both the East & West side of the island shares the same warm tropical weather of the summer months of June & July. Albeit, it is Hawaii so there might be a surprise rainfall here and there.
Tips from a Local:
- Best places to visit:
- August is tourist season, the beaches on the West side are a fun place to visit with white sands & turquoise warm waters to enjoy!
Events/Activities to do:
- Hawaiian International Billfish Tournament- The Big Island hosts the annual Billfish Tournament in Kailua-Kona during August, attracting fishing enthusiasts from around the world.
- Free Hula Show- Indulge in the enchanting rhythms and captivating artistry of hula with a complimentary one-hour show every Wednesday at 6pm. Join us at the Coronation Pavilion, nestled on the picturesque West side of the island, for an unforgettable cultural experience.
September
September is considered a transitional month on the Big Island. Temperatures remain warm, ranging from 72°F (22°C) to 86°F (30°C). The rainfall gradually increases, bringing some relief to the dry summer months.
In the month of September the East side experiences more cloudy days with gradual precipitation. September brings an increase in cloudy days and gradual precipitation on the East side.
September brings an upswing in rainfall on the West side, with a notable increase observed in the past two years. Prepare for the possibility of more precipitation as you explore the island during this month.
Tips from a Local:
- Best places to visit:
- Waipio Valley Lookout
- Rainbow Falls
- September offers a fantastic opportunity to savor the sunny and cooler days on the Big Island of Hawaii as the visitor crowds begin to dwindle. It’s an ideal time to explore the island and soak up its beauty.
Events/Activities to do:
- Annual Hawaiian Slack Key Guitar Festival – Immerse yourself in an extraordinary afternoon of music as esteemed artists from Hawaii showcase their mastery in the indigenous art form of slack key guitar.
October
October brings a transition from the summer season to the fall season on the Big Island. Temperatures remain warm, ranging from 71°F (22°C) to 85°F (29°C).
Rainfall starts to intensify on both sides of the island, with a particular focus on the east side.
Tips from a Local:
Because it’s raining more in the east side, it creates lush green landscapes and provides a refreshing ambiance for outdoor activities like hiking. It’s an ideal time to explore the island’s botanical gardens and take scenic drives along the coastline.
Events/Activities to do:
- Ironman World Championship- Watch the iconic Ironman World Championship at Kailua Bay (Kona District).
November
November marks the beginning of the rainy season on the Big Island. The temperatures start to cool down, ranging from 69°F (21°C) to 83°F (28°C).
The east side of the island experiences more rainfall and it’s advisable to pack a light rain jacket and be prepared for occasional showers.
The west side remains relatively dry.
Tips from a Local:
November offers a unique opportunity to witness the island’s waterfalls in their full glory as they flow abundantly. It is also a great time to stargaze as the nights get clearer.
Best places to visit:
- Rainbow falls
- Akaka Falls
- Mauna Kea Summit
Events/Activities to do:
- 52nd Annual Kona Coffee Cultural Festival (2023). The Kona Coffee Cultural Festival, Hawaii’s longest-running food festival, will be brewing at the beginning of the month.
December
December is the peak of the rainy season on the Big Island. Average temperatures range from 67°F (19°C) to 81°F (27°C).
The east side of the island, including Hilo, receives the highest amount of rainfall, creating a lush and vibrant landscape.
The west side, including Kona, experiences less rainfall and provides sunnier days for beach activities and water sports.
Tips from a Local:
- December also marks the beginning of the whale-watching season, as humpback whales migrate to the warm Hawaiian waters.
- It’s a great time to explore the island’s natural wonders, such as the Hawaii Volcanoes National Park, where you can witness the incredible power of the active volcanoes.
- While the weather in December can be unpredictable, it adds a touch of excitement to your Big Island experience. Embrace the occasional rain showers and take advantage of the quieter beaches and less crowded attractions.
- The holiday season in December brings a festive atmosphere to the Big Island, with various events and celebrations taking place. It’s a time when locals and tourists come together to enjoy holiday parades, cultural festivals, and traditional Hawaiian music and dance performances.
Events/Activities to do:
- Annual Jingle Bell Beach Run in Kona. Get ready for a jingling good time on the beautiful Island of Hawaii! Lace up your running shoes and join the festive fun of the Annual Jingle Bell Beach Run in Kona. This exhilarating 5k race is the perfect way to shed those holiday calories while enjoying the scenic views and spreading the joyful holiday spirit.
Don't Miss Out
The Big Island of Hawaii boasts a remarkable variety of weather patterns throughout the year, thanks to its unique geography. From mild winters to warm summers, each month offers a distinct experience for visitors and residents. Whether you prefer lounging on the sun-kissed beaches, hiking through lush rainforests, or exploring the awe-inspiring volcanoes, there is a perfect time to visit the Big Island that aligns with your preferences.
By understanding the weather patterns month by month, you can plan your activities and make the most of your unforgettable journey to the enchanting Big Island.
