Honiara Weather in January

What's the weather like in Honiara (Guadalcanal) in January 2023?

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

January is in the summer in Honiara and is typically the 2nd 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 6.3 hrs
Avg rainfall 281 mm 11.1 ins
Rainy days 19 days
Sea temperature 30°C 86°F
Humidity 79%
Windspeed 5kph 3 mph

On average January is the 3rd wettest month of the year in Honiara with around 281mm 11.1 inches of rain making it a very wet time to visit. This rainfall is typically spread over 19 days, although this may vary considerably.

On the flip side this corresponds to an average of 6.3 hours of sunshine per day.

January temperatures in Honiara

Honiara average temperature in January

January rainfall

Honiara average rain in January

January hourly sunshine

Honiara average rain in January

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 January 2022.

Other monthly averages

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UV index Best time to go?

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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