Climate guide for Gizo, Solomon Islands

Best Time to Visit
Gizo

How to read the score (0–10)
05810
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About Gizo

Gizo offers the Solomon Islands' most practical base for exploring the Western Province by boat. The harbor and town provide accommodation, local services, markets, and access to nearby islands, reefs, fishing grounds, and wartime sites, while outer trips depend heavily on sea state and operator reliability. Use a registered guide, confirm fuel and safety equipment, and protect gear from spray and sudden weather. Respect village and land access, avoid touching coral or marine life, and leave an arrival or weather day before any essential onward flight from the island network.

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Travel Tips

Best time & timing
Check monthly climate scores for Gizo before finalizing your trip dates for optimal outdoor comfort.
Getting around
Plan local transport and transfers in Gizo early, especially during peak travel months in Solomon Islands.
Packing advice
Pack layerable clothing suitable for sightseeing exploration in Gizo's climate conditions.

Things to do in Gizo

Gizo, Solomon Islands. Live activities and tours from GetYourGuide, matched to this destination.

When to visit Gizo: the short answer

The best time to visit Gizo is September, followed by October, February. Those months combine the most usable temperatures with the fewest lost days to rain: September averages 28°C with 235 mm of rain and about 23 sunny days. The months to avoid unless you have a specific reason are June, May. If budget matters more than perfect weather, May is the strongest of the low-rate months at 3/10.

Across the year Gizo swings from 28°C in August to 29°C in May, a 1-degree spread, while rainfall ranges from 219 mm in October to 377 mm in January. That is the whole planning problem in one sentence: Gizo is not equally good year-round, and the difference between the best and worst month here is 0.9 points on a 10-point scale.

Warmest month: May (29°C). Coolest: August (28°C). Driest: October (219 mm). Wettest: January (377 mm).

Gizo month by month

January in Gizo — the hardest end of the year

Hardest · 3.5/10

January averages 29°C (83°F) with humidity around 80%, so the practical pattern is early mornings, a long midday break, and evenings back outside.

377 mm of rain puts this in monsoon territory — about 21 sunny days across the whole month, and multi-day washouts are normal.

It scores 3.5/10 here, 6th of 12 months, against 3.8/10 in the destination's best month.

Expect peak pricing, and crowds are moderate.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.

February in Gizo — the hardest end of the year

Hardest · 3.6/10

February averages 28°C (83°F) with humidity around 82%, so the practical pattern is early mornings, a long midday break, and evenings back outside.

343 mm of rain puts this in monsoon territory — about 22 sunny days across the whole month, and multi-day washouts are normal.

It scores 3.6/10 here, 3rd of 12 months, against 3.8/10 in the destination's best month.

Expect mid-season pricing, and crowds are moderate.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.

March in Gizo — the hardest end of the year

Hardest · 3.6/10

March averages 29°C (83°F) with humidity around 79%, so the practical pattern is early mornings, a long midday break, and evenings back outside.

329 mm of rain puts this in monsoon territory — about 23 sunny days across the whole month, and multi-day washouts are normal.

It scores 3.6/10 here, 4th of 12 months, against 3.8/10 in the destination's best month.

Expect mid-season pricing, and crowds are moderate.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.

April in Gizo — the hardest end of the year

Hardest · 3.5/10

April averages 29°C (83°F) with humidity around 79%, so the practical pattern is early mornings, a long midday break, and evenings back outside.

257 mm of rain puts this in monsoon territory — about 22 sunny days across the whole month, and multi-day washouts are normal.

It scores 3.5/10 here, 7th of 12 months, against 3.8/10 in the destination's best month.

Expect mid-season pricing, and crowds are moderate.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.

May in Gizo — the hardest end of the year

Hardest · 3/10

May averages 29°C (84°F) with humidity around 80%, so the practical pattern is early mornings, a long midday break, and evenings back outside.

349 mm of rain puts this in monsoon territory — about 16 sunny days across the whole month, and multi-day washouts are normal.

It scores 3/10 here, 11th of 12 months, against 3.8/10 in the destination's best month.

Expect low-season pricing, and crowds are light for this destination.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.

June in Gizo — the hardest end of the year

Hardest · 2.9/10

June averages 29°C (83°F) with humidity around 81%, so the practical pattern is early mornings, a long midday break, and evenings back outside.

287 mm of rain puts this in monsoon territory — about 14 sunny days across the whole month, and multi-day washouts are normal.

It scores 2.9/10 here, 12th of 12 months, against 3.8/10 in the destination's best month.

Expect low-season pricing, and crowds are light for this destination.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.

July in Gizo — the hardest end of the year

Hardest · 3.1/10

July averages 28°C (83°F) with humidity around 81%, so the practical pattern is early mornings, a long midday break, and evenings back outside.

312 mm of rain puts this in monsoon territory — about 15 sunny days across the whole month, and multi-day washouts are normal.

It scores 3.1/10 here, 10th of 12 months, against 3.8/10 in the destination's best month.

Expect mid-season pricing, and crowds are moderate.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.

August in Gizo — the hardest end of the year

Hardest · 3.3/10

August averages 28°C (82°F) with humidity around 82%, so the practical pattern is early mornings, a long midday break, and evenings back outside.

321 mm of rain puts this in monsoon territory — about 17 sunny days across the whole month, and multi-day washouts are normal.

It scores 3.3/10 here, 9th of 12 months, against 3.8/10 in the destination's best month.

Expect mid-season pricing, and crowds are moderate.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.

September in Gizo — the year's strongest window

Best window · 3.8/10

September averages 28°C (82°F) with humidity around 81%, so the practical pattern is early mornings, a long midday break, and evenings back outside.

235 mm of rain puts this in monsoon territory — about 23 sunny days across the whole month, and multi-day washouts are normal.

On our climate-comfort scale this is the top-ranked month of the year for Gizo at 3.8/10 — the reference point every other month on this page is measured against.

Expect mid-season pricing, and crowds are moderate.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.

October in Gizo — the hardest end of the year

Hardest · 3.8/10

October averages 28°C (83°F) with humidity around 79%, so the practical pattern is early mornings, a long midday break, and evenings back outside.

219 mm of rain puts this in monsoon territory — about 28 sunny days across the whole month, and multi-day washouts are normal.

It scores 3.8/10 here, 2nd of 12 months, against 3.8/10 in the destination's best month.

Expect mid-season pricing, and crowds are moderate.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.

November in Gizo — the hardest end of the year

Hardest · 3.6/10

November averages 29°C (83°F) with humidity around 80%, so the practical pattern is early mornings, a long midday break, and evenings back outside.

246 mm of rain puts this in monsoon territory — about 26 sunny days across the whole month, and multi-day washouts are normal.

It scores 3.6/10 here, 5th of 12 months, against 3.8/10 in the destination's best month.

Expect mid-season pricing, and crowds are moderate.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.

December in Gizo — the hardest end of the year

Hardest · 3.5/10

December averages 29°C (84°F) with humidity around 79%, so the practical pattern is early mornings, a long midday break, and evenings back outside.

271 mm of rain puts this in monsoon territory — about 24 sunny days across the whole month, and multi-day washouts are normal.

It scores 3.5/10 here, 8th of 12 months, against 3.8/10 in the destination's best month.

Expect peak pricing, and crowds are moderate.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.

Frequently asked

When is the best time to visit Gizo, Solomon Islands?
In Ideal Weather mode, the best months to visit Gizo are September, October, February. September is the single peak month with an Ideal Weather score of 3.8/10 based on temperature, rainfall, humidity, daylight and historical sunny days.
What is the weather like in Gizo year-round?
Gizo has a climate profile suited to sightseeing and cultural travel. Average monthly temperatures range from 28°C in August to 29°C in May, with Ideal Weather scores between 2.9 and 3.8 out of 10.
Which months should I avoid in Gizo?
The lowest Ideal Weather-scoring months in Gizo are June (2.9/10), May (3.0/10), July (3.1/10). These months typically combine less comfortable temperatures, higher rainfall or fewer sunny days.
When is the rainy season in Gizo?
January is the wettest month in Gizo, averaging about 377 mm of rainfall. October is the driest, at roughly 219 mm.
Which is the sunniest month in Gizo?
October sees the most sun in Gizo, with about 28 sunny days on average - ideal for outdoor plans.
Is Gizo a good destination for sightseeing and cultural travel?
Gizo is well suited to sightseeing and cultural travel. Its highest Ideal Weather window (September, October, February) aligns with the conditions travelers usually look for in this style of trip.
How is the bestime.to score for Gizo calculated?
Each month receives an Ideal Weather score from 0-10 using ERA5 climate normals for Gizo: temperature comfort, precipitation, humidity, daylight hours, and historical sunny days - weighted for sightseeing and cultural travel.

Explore by month

Curated in Gizo

Tickets & experiences