When To Go · Destination Guide
Wrecks, reef passages and village lagoons in the wild west of the Solomons
Updated Apr 26, 2026 • 34 sources
When to go
Western Province is diveable yearround, but the easiest allround trip window is May to October, when the official tourism guidance points to lower rainfall, humidity and temperatures.
Best overall window
Drier, more comfortable island weather, warm water around 28°C to 30°C and the best balance for diving, snorkeling, trekking and transfers.
Outside the easiest stretch
Wetseason warmth and humidity, quickmoving rain at times, possible storm disruption and a greater need for schedule buffers.
Start with the overall answer, then switch only when scuba, freedive, snorkel, or topside timing changes the trip in a meaningful way.
The overall row stays visible so you can compare it against the currently selected scope.
| Scope | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Overall | Overall - Jan: Tradeoffs | Overall - Feb: Tradeoffs | Overall - Mar: Tradeoffs | Overall - Apr: Tradeoffs | Overall - May: Best | Overall - Jun: Best | Overall - Jul: Best | Overall - Aug: Best | Overall - Sep: Best | Overall - Oct: Best | Overall - Nov: Good | Overall - Dec: Tradeoffs |
These regional shifts apply only to the selected scope.
| Area | Best months | Why it changes |
|---|---|---|
| Gizo and Vonavona Lagoon | May to November | Gizo's sheltered lagoon sites and local operator experience help keep dive days moving, with November often calm but humid. Main caution: Wet Season Humidity. |
| Munda, Rendova and Tetepare | May to October for easiest weather | Munda diving is strong in the dry season, while Tetepare turtle encounters pull some travelers into the wetter months. Main caution: Storm Disruptions. |
| Marovo Lagoon and Uepi | May to October | Uepi and Marovo Lagoon can be excellent yearround, but remote transfers and passage sites benefit from calmer, drier travel periods. Main caution: Same-day route swaps become more likely when weather builds. |
These do not replace the overall planner. Use them only if a specific animal or event is driving your trip dates.
WWII wreck photography
Best for Scuba, Snorkel, Freedive
May to Nov
The Japanese Zero, American Hellcat, Corsair and Toa Maru are best photographed when surface light and visibility cooperate.
Reef sharks and schooling fish
Best for Scuba, Freedive, Snorkel
Year-round
Grand Central Station, Shark Point and Uepi Point are yearround targets for reef sharks, trevally, batfish and barracuda when tides and current line up.
Tetepare leatherback nesting
Best for Topside, Snorkel
Oct to Jan
Tetepare's protected beaches are a major Western Pacific leatherback nesting area.
Tetepare hatchlings
Best for Topside
Jan to Apr
Hatchling activity can continue into the earlyyear months.
Kolombangara rainforest trekking
Best for Topside
May to Oct
The drier season is the most practical window for guided walks on Kolombangara, from lower rainforest routes to craterrim itineraries for strong hikers.
Built from climate references, access rules, and destination operators. Wildlife timing and route flexibility can shift year to year.