Solomon Islands in October: Weather, Crowds & What to Expect

Honiara & Guadalcanal Coast

October is the start of the build-up towards the wet season: days feel more humid and storms begin to form more readily in the afternoons around Guadalcanal’s inland hills. Travelers will notice the first heavier squalls that can disrupt ferry schedules; consider booking flights for time-critical connections and carry protective covers for luggage. The humidity makes mid-day activities tiring, so plan early starts to see WWII sites or inland viewpoints.

Central Province (Florida Islands, Tulagi, Russell Islands)

October marks the start of the seasonal build-up toward heavier rain; humidity edges up and afternoon storms begin to appear more frequently. Boat schedules may still be regular, but expect more last-minute cancellations as unsettled systems move through the area; consider padding itineraries around this month. Snorkelers should be ready for reduced visibility after heavy showers that stir up sediment in protected shallows.

Western Province (Gizo, New Georgia, Munda, Marovo Lagoon)

October is when humidity and cloudiness begin to creep back in; afternoons can show more convective activity though the really heavy rains usually arrive later. Boat services are still largely operational but keep an eye on weather forecasts for sudden storms that might affect exposed crossings. If you prefer fewer travelers but still-good diving, October is a reasonable compromise month.

Malaita & Savo Coastal Areas

October marks a slow return toward more humid conditions; increased instability in the afternoons brings occasional convective storms, and coastlines begin to see more variable sea states. Boat schedules are still generally reliable early in the month but become more weather-sensitive as the wet season builds. Travelers should keep plans flexible and avoid last-minute tight connections on boats.

Temotu & Santa Cruz Islands (Tikopia, Anuta, Vanikoro)

October sees humidity inching back up and the first signs of increased afternoon instability; boat services are generally still operating but cancellations become more common toward month’s end. Visiting remote communities in October requires flexible plans and willingness to adjust for weather-related delays. Carry a solid waterproof shell and prepare for warmer, stickier evenings as the region approaches the wet season.

Rennell, Bellona & Makira-Ulawa (Southern islands)

October signals a gradual increase in humidity and a return of more frequent afternoon showers as the islands move toward the wet season. Boats and supply runs continue to operate but with rising potential for short-notice cancellations; plan buffer days for critical onward travel. This month is useful if you want fewer visitors while still enjoying mostly stable sea conditions early in the month.