Solomon Islands in August: Weather, Crowds & What to Expect
Climate Map for August
Average temperature across Solomon Islands in August.
City Weather in August
| City | High | Low | Rain | UV | Feels |
|---|---|---|---|---|---|
| Honiara | extreme | ||||
| Tandai | 30° | 22° | 174 mm | extreme | Warm |
| Noro, Solomon Islands | very high | ||||
| Gizo, Solomon Islands | 30° | 24° | 255 mm | extreme | Warm |
| Auki | 30° | 23° | 279 mm | very high | Warm |
| Munda, Solomon Islands | very high | ||||
| Buala | 30° | 23° | 220 mm | extreme | Warm |
High / low are average daily temperatures (°C). “Feels” reflects how hot or cold it feels, allowing for humidity.
Honiara & Guadalcanal Coast
August remains dry and breezy with consistent southeast trades; inland trails on Guadalcanal stay firm and dust-free, a good time for village-to-village walks and guided WWII route tours. Sea conditions can still close onshore beaches for casual swimmers, so check local advice before booking boat trips to Savo or Tulagi. The clearer skies make it easier to fly in and out of Honiara without weather disruption.
Central Province (Florida Islands, Tulagi, Russell Islands)
August stays drier and windy, with frequent clear mornings over the Florida Islands and afternoon sea breezes that keep temperatures pleasant. Inter-island trips and guided snorkeling operate with high reliability, though exposed channels between islands remain lively and can feel rough. If you prefer calmer water or family snorkeling, ask operators to launch into protected coves rather than exposed reefs.
Western Province (Gizo, New Georgia, Munda, Marovo Lagoon)
August’s trade winds persist, keeping the Western Province cool by local standards and limiting rainfall to brief showers if any. Large swells can build on exposed outside reefs, but inner lagoon systems like Marovo stay calm and highly suitable for kayaking and snorkeling. It’s an ideal window for village homestays and multi-day boat expeditions, though book ahead for limited accommodation.
Malaita & Savo Coastal Areas
August keeps dry, breezy conditions and is ideal for longer stays if you want to experience local life without the complications of the wet season. Fishing communities are active, and small dive/snorkel trips in protected bays operate regularly; check local schedules as services are limited. Evenings can be cool in open coastal guesthouses, so bring a light jumper for comfort.
Temotu & Santa Cruz Islands (Tikopia, Anuta, Vanikoro)
A steady pattern through August keeps humidity low and seas generally favorable for the limited charters and infrequent flights that serve these remote islands. Visiting now reduces the chance of long weather delays and offers the best underwater visibility for snorkeling the outer reefs. However, logistics remain slow and supplies limited, so carry essential medications and basic staples.
Rennell, Bellona & Makira-Ulawa (Southern islands)
August maintains steady trade-wind weather and low rainfall, arguably the most predictable month for travel logistics and outdoor activity on Rennell, Bellona and Makira. Fishers and local guides are most active now, and inland routes dry out for straightforward trekking. Expect simple facilities but dependable local transport during this high-reliability period.
Events & Festivals in August
There are no major festivals or events in Solomon Islands during August to be aware of.