Honiara Weather in December

What's the weather like in Honiara (Guadalcanal) in December 2022?

The climate in Honiara during December can be summarized as hot, humid and very wet.

December is in the summer in Honiara and is typically the warmest month of the year. Daytime maximum temperatures average around a steamy 31°C (87°F), whilst at night 22°C (72°F) is normal.

Honiara weather averages (imperial / metric)
Daytime temperature 30.5°C 86.9°F
Nightly temperature 22.3°C 72.1°F
Average temperature 26.4°C 79.5°F
Daily sunshine 6.2 hrs
Avg rainfall 234 mm 9.2 ins
Rainy days 18 days
Sea temperature 29.9°C 85.7°F
Humidity 79%
Windspeed 4kph 2 mph

On average December is the 4th wettest month of the year in Honiara with around 234mm 9.2 inches of rain making it a very wet time to visit. This rainfall is typically spread over 18 days, although this may vary considerably.

On the flip side this corresponds to an average of 6.2 hours of sunshine per day.

December temperatures in Honiara

Honiara average temperature in December

December rainfall

Honiara average rain in December

December hourly sunshine

Honiara 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 Honiara in December 2022.

Other monthly averages

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Honiara weather stats

Honiara weather statistics
Hottest month: January 30.3°C 86.5°F
Driest month: June 100mm 3.9ins
Sunniest month: August 6.3hrs
Coldest month: July 29.1°C 84.4°F
Wettest month: March 331mm 13ins
Map showing location of Honiara (-9.43333, 159.95)

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