Middle of the wetter season · Weather & things to do
Kailua & Lanikai in December
Kailua & Lanikai edges cooler than November, with highs of 77°F (25°C), lows of 74°F (24°C) and about 2.9 in (74 mm) of rain.
It scores 83/100 for comfort, 10th of 12, which makes it a solid shoulder-season month.
- Avg high
- 77°F (25°C)
- Avg low
- 74°F (24°C)
- Rain
- 2.9 in (74 mm)
- Humidity
- 77%
- Cloud cover
- 54%
- Daylight
- ~10 h 42 min
- Comfort score
- 83/100 · Great
What December feels like
Highs settle around 77°F (25°C), warm enough for short sleeves.
Even at night it stays warm, around 74°F (24°C).
Humidity averages 77%, so the air feels sticky and the heat feels stronger than the thermometer says.
Some rain is likely, about 2.9 in (74 mm) in the month, so pack for a shower or two.
It's breezy, with average winds near 12 mph (5.5 m/s) at ground level.
Plan around December
December is shoulder season: good weather, a step below the best months (January and May – September).
- Shortest days of the year, about 10 h 42 min of daylight.
- Comfort holds steady from November (82 → 83/100).
- 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 — December is part of it.
What to pack for December
- Light, breathable clothes77°F afternoons
- Quick-dry fabrics77% average humidity
- Packable rain jacket or umbrellaa shower or two is likely
- Windproof shellaverage wind 12 mph
- Comfortable walking shoesmost places below are best reached on foot or with short walks
What to do in Kailua & Lanikai in December
With conditions on your side, the picks below favor time outside.
Nuuanu Pali Lookout
Windy lookout at the top of the Pali Highway with a view of the green Koolau cliffs and the windward coast.
Why now December scores 83/100 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 77°F and 2.9 in of monthly rain make this an easy outdoor pick.
Kailua Beach Park
Long, soft-sand beach with calm water, a park with showers, and kayak rentals to the Mokulua islets.
Why now One to do outside while the weather is on your side.
Lanikai Beach
Narrow strip of white sand in a residential neighborhood, facing the twin Mokulua islets.
Nearby in December
- Waikiki in December~11 mi · highs 78°F, 3.7 in rain · similar daytime temperatures, wetter
- Oahu in December~18 mi · highs 76°F, 3.7 in rain · similar daytime temperatures, wetter
- Maui in December~99 mi · highs 69°F, 2.8 in rain · 4°C (8°F) cooler by day, about as wet
- Big Island in December~185 mi · highs 51°F, 6.7 in rain · 15°C (26°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 December: quick answers
Is December a good time to visit Kailua & Lanikai?
It's a good shoulder-season choice, scoring 83/100 against a best of 89 in January and May – September. Expect highs of 77°F (25°C) and 2.9 in (74 mm) of rain.
How hot is Kailua & Lanikai in December?
Average highs are 77°F (25°C) and average lows 74°F (24°C), making it the 5th-coldest month by daytime highs.
Does it rain a lot in Kailua & Lanikai in December?
Some: about 2.9 in (74 mm) of rain falls across December on average, the 2nd-wettest month of the year. The annual total is about 23.7 in (601 mm).
What should I pack for Kailua & Lanikai in December?
Bring light, breathable clothes (77°F afternoons), quick-dry fabrics (77% average humidity), packable rain jacket or umbrella (a shower or two is likely), windproof shell (average wind 12 mph) and comfortable walking shoes (most places below are best reached on foot or with short walks).
More on Kailua & Lanikai
Routes in season in December
- Honolulu New Year's Eve Dec 30 – Jan 1
Planning Kailua & Lanikai in December?
Bring the crew into one shared trip: vote on dates, build the day-by-day plan, split costs and share one packing list.