Honiara
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Average monthly water temperature in Honiara, Solomon Islands

On this page you find the mean water temperature over the year in Honiara (Guadalcanal), Solomon Islands. Dive into the water temperature trends, highlighting the best times for swimming and other activities.

In Honiara, water remains inviting throughout the year. The warmest month is January, with an average water temperature of 29°C (84°F).

The coolest temperature, May, still averages a pleasant 28°C (82°F). This means you will have a consistently enjoyable environment for water activities and recreation.

Honiara Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Honiara - and find the best time to visit.

Honiara 3-Day Forecast

More climate data for Honiara

Popular in October

Where to go in October - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.