78-6842 Alii Dr, Kailua-Kona, Hawaii, 96740, United States
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Kona Coast Resort: Month-by-Month Weather Guide

Trying to understand the weather before booking Kona Coast Resort? This in-depth guide breaks down Kailua-Kona’s month-by-month temperatures, rainfall patterns, morning sunshine, afternoon cloud cover, warmer and cooler periods, and what the dry leeward coast means for your stay—so you can pack and plan with fewer surprises. Whether you are timing pool days, snorkeling mornings, golf-adjacent downtime, or family activities around late-day showers, this weather guide shows what each month is likely to feel like.

Planning your stay guide

Wondering what the weather is like by month at Kona Coast Resort? This guide breaks down what each month typically feels like on Hawaii's Big Island Kona Coast—including average temperatures in °F, humidity, rain chances, and what that means for beach days, villa pool time, snorkeling, and exploring the historic town and coastal areas nearby.

Quick takeaway:
Kona Coast Resort enjoys warm, tropical weather year-round with two main patterns. Most days land roughly between 80–87°F for daytime highs. The drier, sunnier stretch is usually May–September (often around 84–87°F highs with less rain), while November–March tends to see slightly more rain and cloud cover (often around 80–83°F highs) but still plenty of nice weather.

Kona coast note: This leeward side of the Big Island is protected by volcanic mountains, creating a drier microclimate than the island's windward side—meaning more sunshine and less rain than Hilo, even during wetter months.
Driest months: ~84–87°F (May–Sep) Slightly wetter: ~80–83°F (Nov–Mar) Year-round warm water for snorkeling Steady trade winds keep comfort high

Use the month-by-month cards below to choose the best timing for your trip style: sunny beach weather, ocean activities, historic town exploring, or shoulder-season value—without guessing.

Kona Coast Resort Weather by Month (Quick Overview)

This quick chart helps you compare months at a glance for Kona Coast Resort on the Big Island's Kona Coast. Use it to plan for sunshine, rain patterns, and the easiest conditions for beach days, snorkeling, villa relaxation, and exploring historic coastal towns.

Month Typical temps (°F) Rain & conditions Best for
Jan High ~80–82°F • Low ~68–71°F More clouds/rain possible; still nice days Whale watching season + lower rates
Feb High ~80–82°F • Low ~68–71°F Similar to Jan; occasional showers Winter escape + humpback whales
Mar High ~81–83°F • Low ~69–72°F Rain begins tapering; improving sun Spring break + transitioning weather
Apr High ~82–84°F • Low ~70–73°F Drier pattern emerging; more sunshine Early dry season + ocean activities
May High ~83–85°F • Low ~71–74°F Very dry; excellent sunshine Peak snorkeling clarity + value weeks
Jun High ~85–87°F • Low ~73–76°F Driest month typically; blue skies Summer family trips + calm seas
Jul High ~86–87°F • Low ~74–76°F Hot and dry; strong trade winds help Peak beach season + water sports
Aug High ~86–87°F • Low ~74–76°F Still very dry; warmest water temps Extended family vacations + diving
Sep High ~86–87°F • Low ~74–76°F Dry continues; occasional afternoon shower Shoulder season start + fewer crowds
Oct High ~85–86°F • Low ~73–75°F Rain chances increase slightly late month Great value + still mostly sunny
Nov High ~83–85°F • Low ~71–74°F Wetter pattern begins; more clouds Thanksgiving trips + surf season starts
Dec High ~81–83°F • Low ~69–72°F More rain possible; still warm Holiday escape + whale season begins

Month-by-Month Weather at Kona Coast Resort

These month cards translate the weather into real planning for Kona Coast Resort: what it feels like in your villa, on the beach, and around the historic Kona area—plus how to time snorkeling, ocean activities, and exploring the Big Island's leeward coast.

Weather by month

January

High ~80–82°F

Part of the wetter season on the Kona coast, but still warm and pleasant—perfect for whale watching offshore and enjoying your villa's amenities with occasional rain showers.

Typical tempsHigh ~80–82°F • Low ~68–71°F
Rain patternMore clouds and showers than summer
Ocean activitiesGreat for whale watching season
Best forWinter escapes + lower season rates

Weather by month

February

High ~80–82°F

Similar to January with warm temperatures and occasional rain—excellent for spotting humpback whales and exploring the coast when sunshine breaks through.

Typical tempsHigh ~80–82°F • Low ~68–71°F
Rain patternOccasional showers, not constant
Water feelWarm enough for swimming year-round
Best forWhale season peak + villa relaxation

Weather by month

March

High ~81–83°F

Transition month as the weather shifts toward drier conditions—rain begins tapering and you'll see more consistent sunshine for beach and pool days.

Typical tempsHigh ~81–83°F • Low ~69–72°F
Rain patternImproving toward month's end
Beach conditionsGood for swimming and snorkeling
Best forSpring break trips + better weather odds

Weather by month

April

High ~82–84°F

The dry season emerges with warmer temps and more sunshine—excellent for extended beach time, snorkeling excursions, and exploring the volcanic coastline.

Typical tempsHigh ~82–84°F • Low ~70–73°F
Rain patternNoticeably drier conditions
Ocean clarityImproving for snorkeling and diving
Best forEarly dry season + ocean adventures

Weather by month

May

High ~83–85°F

One of the driest months with excellent sunshine—perfect for snorkeling at its clearest, villa pool lounging, and exploring historic coastal areas in comfortable heat.

Typical tempsHigh ~83–85°F • Low ~71–74°F
Rain patternVery dry with blue skies
Water clarityExcellent for marine life viewing
Best forPeak visibility + pre-summer value

Weather by month

June

High ~85–87°F

Often the driest month of the year with consistently sunny skies—ideal for family beach weeks, calm ocean conditions, and all-day outdoor activities.

Typical tempsHigh ~85–87°F • Low ~73–76°F
Rain patternMinimal rain; peak dry season
Trade windsSteady breezes keep comfort high
Best forSummer family trips + calm seas

Weather by month

July

High ~86–87°F

Peak summer heat with strong sunshine—trade winds provide natural cooling, making it comfortable for beach time, water sports, and villa poolside relaxation.

Typical tempsHigh ~86–87°F • Low ~74–76°F
Rain patternVery dry; rare showers
UV intensityStrong sun; reef-safe sunscreen essential
Best forPeak beach season + water activities

Weather by month

August

High ~86–87°F

Warmest ocean temperatures and continued dry weather—excellent for extended family vacations, snorkeling, diving, and sunset viewing from your villa.

Typical tempsHigh ~86–87°F • Low ~74–76°F
Rain patternStill very dry
Water tempWarmest of the year (~79–82°F)
Best forExtended stays + diving adventures

Weather by month

September

High ~86–87°F

Still mostly dry with warm conditions—occasional afternoon shower possible, but generally excellent for beach activities with fewer summer crowds beginning to thin.

Typical tempsHigh ~86–87°F • Low ~74–76°F
Rain patternMostly dry; rare brief showers
CrowdsShoulder season begins
Best forBetter value + still great weather

Weather by month

October

High ~85–86°F

Transition month as rain chances slowly increase toward late October—still mostly sunny days with warm ocean temps and excellent value for villa stays.

Typical tempsHigh ~85–86°F • Low ~73–75°F
Rain patternSlight increase late month
Ocean conditionsStill excellent for swimming
Best forStrong value + mostly sunny weather

Weather by month

November

High ~83–85°F

Wetter weather pattern begins with more clouds and showers—still warm and comfortable with good days between storms, plus surf season starts on the coast.

Typical tempsHigh ~83–85°F • Low ~71–74°F
Rain patternMore frequent showers arrive
Surf conditionsWinter swells begin
Best forThanksgiving trips + lower rates

Weather by month

December

High ~81–83°F

Part of the wetter season with more rain possible—still warm and inviting for holiday escapes, with humpback whale season beginning offshore as a bonus.

Typical tempsHigh ~81–83°F • Low ~69–72°F
Rain patternMore clouds and showers
Whale watchingSeason begins late month
Best forHoliday getaways + winter warmth

What to Pack for Kona Coast Resort (By Weather)

Packing for Kona Coast Resort means preparing for warm, tropical conditions year-round with slight seasonal variations. The Kona coast stays warm and beach-ready every month. Rule of thumb: May–September is consistently dry and hot, while November–March brings more rain chances but still plenty of sunshine between showers.

Dry season months (May–Sep, often ~84–87°F highs)

  • Light, breathable clothing (linen, cotton, moisture-wicking)
  • Reef-safe sunscreen (required by law in Hawaii) + wide-brim hat
  • Sunglasses + UV-protective swimwear for extended beach time
  • Water shoes for volcanic rock beaches and tide pools
  • Light evening layer for air-conditioned spaces

Wetter season months (Nov–Mar, often ~80–83°F highs)

  • Light rain jacket or compact umbrella for passing showers
  • Quick-dry clothing that works in variable conditions
  • Closed-toe shoes for wet-weather hiking and exploring
  • Still reef-safe sunscreen (sun breaks through regularly)
  • Layers for cooler evenings and air-conditioned villa spaces

FAQ: Kona Coast Resort Weather by Month

What month has the best weather at Kona Coast Resort?

Many travelers prefer the dry season from May through September, when the Kona coast sees the most consistent sunshine, warmest temperatures (often around 84–87°F), and minimal rain—making it ideal for beach days, snorkeling, and ocean activities.

When is the rainy season on the Kona coast?

The Kona coast's wetter season typically runs from November through March, but even then, the leeward location means significantly less rain than the island's windward side. Showers are often brief and scattered, with plenty of sunshine between storms. Daytime highs usually stay comfortable around 80–83°F.

Does it rain every day during the wetter months?

No. Even during the wetter season (November–March), rain typically comes in brief showers or passing storms rather than all-day rain. The Kona coast benefits from being protected by volcanic mountains, creating a much drier microclimate than you'll find on the windward side of the Big Island. You'll still have many sunny hours for beach and villa enjoyment.

Is Kona Coast Resort good for families year-round?

Yes. The resort offers family-friendly amenities and the Kona coast maintains warm, swimmable conditions throughout the year. During drier months (May–September), you'll have the most predictable beach weather. During wetter months (November–March), the villa setting provides great flexibility—you can enjoy your private space when showers pass through and hit the beach during the many sunny breaks.

What's the ocean temperature like at Kona Coast Resort?

The Pacific Ocean off the Kona coast stays warm year-round. Water temperatures typically range from about 76–78°F in winter months to 79–82°F in summer—comfortable for swimming, snorkeling, and water sports throughout the year without a wetsuit.

When is the best time to see humpback whales near Kona Coast Resort?

Humpback whales migrate to Hawaiian waters from December through April, with peak viewing typically in January through March. During this time, you can often spot whales from the shore or join boat tours for closer viewing—a special bonus during what is the Kona coast's wetter season.

BOOK YOUR STAY NOW

Questions? Contact Us!

Kona Coast Resort

BOOK YOUR STAY NOW

Questions? Contact Us!

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