Middle of the drier season · Weather & things to do
Kailua & Lanikai in August
Little changes in Kailua & Lanikai from July: highs stay near 81°F (27°C), lows near 78°F (26°C), and about 1.3 in (34 mm) of rain falls.
At 89/100 for comfort (2nd of 12), it's one of the best months to visit.
- Avg high
- 81°F (27°C)
- Avg low
- 78°F (26°C)
- Rain
- 1.3 in (34 mm)
- Humidity
- 77%
- Cloud cover
- 47%
- Daylight
- ~12 h 44 min
- Comfort score
- 89/100 · Great
What August feels like
Highs settle around 81°F (27°C), warm enough for short sleeves.
Even at night it stays warm, around 78°F (26°C).
Humidity averages 77%, so the air feels sticky and the heat feels stronger than the thermometer says.
Rain is moderate at about 1.3 in (34 mm) for the month.
It's breezy, with average winds near 14 mph (6.4 m/s) at ground level.
Plan around August
August is one of Kailua & Lanikai's best months on the climate data.
- Comfort holds steady from July (88 → 89/100).
- Our Honolulu New Year's Eve route is planned for Dec 30 – Jan 1, a window set by the holiday season rather than the weather — August falls outside it.
What to pack for August
- Light, breathable clothes81°F afternoons
- Sunscreen, sunglasses and a hathigh UV on clear days
- Quick-dry fabrics77% average humidity
- Windproof shellaverage wind 14 mph
- Comfortable walking shoesmost places below are best reached on foot or with short walks
What to do in Kailua & Lanikai in August
With conditions on your side, the picks below favor time outside.
Kailua Beach Park
Long, soft-sand beach with calm water, a park with showers, and kayak rentals to the Mokulua islets.
Why now August scores 89/100 for comfort, good conditions for being outside.
Kalapawai Market
Green general store at the beach road since 1932, now selling coffee, sandwiches and beach supplies.
Why now Highs near 81°F and 1.3 in of monthly rain make this an easy outdoor pick.
Lanikai Pillbox Trail
Short, steep climb up Kaiwa Ridge to old concrete bunkers with views over Lanikai and the islets.
Why now One to do outside while the weather is on your side.
Buzz's Original Steakhouse
Wood-paneled steakhouse across from Kailua Beach since the 1960s, with a salad bar and grilled fish.
Nearby in August
- Waikiki in August~11 mi · highs 83°F, 1.7 in rain · 1°C (2°F) warmer by day, about as wet
- Oahu in August~18 mi · highs 81°F, 1.7 in rain · similar daytime temperatures, about as wet
- Maui in August~99 mi · highs 73°F, 1.6 in rain · 4°C (8°F) cooler by day, about as wet
- Big Island in August~185 mi · highs 58°F, 5.5 in rain · 13°C (23°F) cooler by day, wetter
NASA POWER 2001–2025 monthly averages on a ~50 km grid. Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Kailua & Lanikai in August: quick answers
Is August a good time to visit Kailua & Lanikai?
Yes. On the climate data it's one of the best months, scoring 89/100. Expect highs of 81°F (27°C) and 1.3 in (34 mm) of rain.
How hot is Kailua & Lanikai in August?
Average highs are 81°F (27°C) and average lows 78°F (26°C), making it the 2nd-warmest month by daytime highs.
Does it rain a lot in Kailua & Lanikai in August?
Not much: about 1.3 in (34 mm) of rain falls across August on average, the 4th-driest month of the year. The annual total is about 23.7 in (601 mm).
What should I pack for Kailua & Lanikai in August?
Bring light, breathable clothes (81°F afternoons), sunscreen, sunglasses and a hat (high UV on clear days), quick-dry fabrics (77% average humidity), windproof shell (average wind 14 mph) and comfortable walking shoes (most places below are best reached on foot or with short walks).
More on Kailua & Lanikai
Planning Kailua & Lanikai in August?
Plan it together in TripsCircle: one itinerary, one shared packing list and costs split as you go.