Waikoloa Weather in December

What's the weather like in Waikoloa (Hawaii) in December 2025?

The climate in Waikoloa during December can be summarized as warm, humid and wet.

December is in the winter in Waikoloa and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a muggy 25°C (76°F), whilst at night 16°C (61°F) is normal.

Waikoloa weather averages (imperial / metric)
Daytime temperature 24.7°C 76.4°F
Nightly temperature 15.9°C 60.5°F
Average temperature 20.3°C 68.5°F
Daily sunshine 5.7 hrs
Avg rainfall 196 mm 7.7 ins
Rainy days 17 days
Sea temperature 25.3°C 77.5°F
Humidity 78%
Windspeed 15.5kph 10 mph

On average December is the 4th wettest month of the year in Waikoloa with around 196mm 7.7 inches of rain making it a wet time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.

On the flip side this corresponds to an average of 5.7 hours of sunshine per day.

December temperatures in Waikoloa

Waikoloa average temperature in December

December rainfall

Waikoloa average rain in December

December hourly sunshine

Waikoloa average rain in December

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Waikoloa in December 2025.

Other monthly averages

Best places to visit in December

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Waikoloa weather stats

Waikoloa weather statistics
Hottest month: August 25.8°C 78.4°F
Driest month: June 68mm 2.7ins
Sunniest month: February 6.8hrs
Coldest month: March 23.2°C 73.8°F
Wettest month: March 233mm 9.2ins
Map showing location of Waikoloa (19.94306, -155.79028) Waikoloa map pin © Google

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