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Solomon Islands - When to Visit

When to Visit Solomon Islands

Climate guide & best times to travel

Monthly Climate Data for Solomon Islands Average temperature and rainfall by month Climate Overview 17°C 21°C 26°C 30°C 35°C Rainfall (mm) 0 181 363 Jan Jan: 30.0°C high, 23.0°C low, 277mm rain Feb Feb: 30.0°C high, 23.0°C low, 287mm rain Mar Mar: 30.0°C high, 23.0°C low, 363mm rain Apr Apr: 30.0°C high, 22.0°C low, 213mm rain May May: 30.0°C high, 22.0°C low, 142mm rain Jun Jun: 30.0°C high, 22.0°C low, 97mm rain Jul Jul: 30.0°C high, 22.0°C low, 99mm rain Aug Aug: 30.0°C high, 22.0°C low, 91mm rain Sep Sep: 30.0°C high, 22.0°C low, 94mm rain Oct Oct: 30.0°C high, 22.0°C low, 155mm rain Nov Nov: 30.0°C high, 22.0°C low, 142mm rain Dec Dec: 30.0°C high, 23.0°C low, 216mm rain Temperature Rainfall
The Solomon Islands sits right in the heart of the tropical Pacific, which means you're looking at warm, humid conditions pretty much year-round. Temperatures barely budge from that 86-87°F (30-31°C) sweet spot, though the real story here is rainfall. There's a pretty clear wet season from December through March when you might see 8-14 inches of rain per month, and a notably drier stretch from June through September when rainfall drops to under 4 inches monthly. That said, even the "dry" season isn't exactly bone-dry—this is the tropics, after all, and brief downpours can happen any time. The humidity sits consistently around 70%, which is actually a bit more comfortable than you might expect for an equatorial island nation—though it'll still feel plenty muggy when you first arrive. The transition months of April-May and October-November act as shoulder seasons, with rainfall gradually increasing or decreasing. Worth noting that cyclone season technically runs November through April, though direct hits are relatively rare. For trip planning purposes, the June-September window tends to offer the most reliable weather, while the wet season months can bring heavy afternoon storms that might disrupt boat transfers or diving plans.

Best Time to Visit

Beach & Relaxation
June through September offers the driest conditions with calm seas and excellent visibility, making it ideal for swimming, snorkeling, and simply lounging by the water without afternoon downpours interrupting your plans.
Cultural Exploration
April-May or October-November work well as shoulder months when rainfall is moderate, crowds are lighter, and you can still get around comfortably for village visits and cultural festivals without the peak wet season challenges.
Adventure & Hiking
July and August are your best bet for trekking and jungle exploration, with trails less muddy and river crossings more manageable, though you'll still want to prepare for occasional rain and consistently humid conditions.
Budget Travel
January through March sees fewer visitors due to the wet season, which can mean better deals on accommodation, though you'll need to be flexible with weather-dependent activities and island-hopping schedules.

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What to Pack

Year-Round Essentials

High SPF reef-safe sunscreen
The tropical sun is intense year-round, and many dive sites require reef-safe formulas to protect the coral ecosystems.
Quick-dry clothing
With high humidity and frequent rain, clothes that dry fast will make your life significantly easier—cotton stays damp forever here.
Waterproof bag or dry sack
Essential for protecting electronics and valuables during boat trips, sudden downpours, and water-based activities.
Insect repellent with DEET
Mosquitoes are present year-round, and dengue and malaria are concerns in some areas, so effective repellent is non-negotiable.
Lightweight rain jacket
Even during the dry season, brief tropical showers pop up, and a packable rain jacket is infinitely useful.
Reef-safe snorkel gear
While you can rent locally, having your own properly-fitting mask and snorkel ensures comfort and hygiene for frequent water activities.
First aid kit with anti-diarrheal medication
Medical facilities are limited outside Honiara, so bringing basic supplies including stomach remedies is wise.

Wet Season (December-March)

Clothing
Lightweight breathable shirts, Quick-dry shorts and pants, Swimwear that doubles as regular wear
Footwear
Waterproof sandals or water shoes that can handle muddy trails and wet conditions
Accessories
Compact umbrella, Waterproof phone case, Hat with chin strap for windy conditions
Layering Tip
Layering isn't really necessary—one lightweight layer is plenty given the consistent warmth and humidity.

Transition Months (April-May, October-November)

Clothing
Mix of quick-dry t-shirts and light long-sleeves, Convertible pants, Light cover-up for sun protection
Footwear
Sturdy sandals for town and beaches, plus closed-toe shoes for hiking if you're heading inland
Accessories
Sunglasses with UV protection, Lightweight scarf for sun protection, Small backpack for day trips
Layering Tip
A single light layer for air-conditioned spaces or boat rides is all you'll need—it's still quite warm.

Dry Season (June-September)

Clothing
Light cotton or synthetic shirts, Shorts and lightweight pants, Rash guard for extended water time
Footwear
Reef shoes for rocky beaches and coral, plus comfortable walking sandals for general use
Accessories
Wide-brimmed sun hat, Polarized sunglasses, Buff or bandana for sun and dust protection
Layering Tip
Essentially unnecessary—a light shirt for evening boat rides or overly air-conditioned restaurants is the most you'd need.

Year-Round Practical Additions

Clothing
Modest clothing for village visits, At least one 'nice' outfit for upscale resorts, Extra underwear and socks
Footwear
Flip-flops for casual wear and shower shoes for shared facilities
Accessories
Headlamp or flashlight, Reusable water bottle, Ziplock bags for organization
Layering Tip
The Solomon Islands doesn't really do cold—focus on sun protection and rain coverage rather than warmth.
Plug Type
Type I (Australian-style three-pin plug)
Voltage
220-240V, 50Hz
Adapter Note
Most travelers will need an adapter unless coming from Australia, New Zealand, or nearby Pacific nations; bring a universal adapter as outlets can vary.

Skip These Items

Heavy jeans or thick fabrics—they'll never dry in the humidity and you won't want to wear them anyway Excessive toiletries—basic items are available in Honiara, though selection is limited in remote areas Hair dryers or styling tools—the humidity will undo your efforts within minutes of stepping outside Formal shoes or fancy clothing—the vibe is casual throughout the islands, even at nicer establishments Too many books—bring an e-reader instead to save weight and protect against humidity damage

Month-by-Month Guide

January

Right in the thick of the wet season, January brings frequent heavy rainfall and high humidity. You'll likely see afternoon thunderstorms and overcast skies, though mornings can start out pleasant enough. The rain can make getting between islands a bit unpredictable, and some remote areas might be harder to access.

31°C (87°F) High
23°C (73°F) Low
277mm (10.9in) Rainfall
Low Crowds
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February

Similar to January with persistent wet season conditions and the highest rainfall of the year. The upside is fewer tourists and lush, green landscapes, though you'll want to build flexibility into your itinerary for weather delays. Cyclone risk is present but not overly common.

30°C (86°F) High
23°C (73°F) Low
287mm (11.3in) Rainfall
Low Crowds
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March

The wettest month on record, with heavy tropical downpours that can be quite dramatic. That said, rain often comes in bursts rather than all-day affairs, so you can still get out and explore between storms. Humidity is high and everything feels a bit damp, but the islands are absolutely gorgeous and green.

30°C (86°F) High
23°C (73°F) Low
363mm (14.3in) Rainfall
Low Crowds
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April

Things start to improve noticeably as the wet season begins its retreat. You'll still get regular rain, but it's less intense and more predictable than the previous months. A decent shoulder season option if you don't mind some wet weather and want to avoid peak season crowds.

30°C (86°F) High
23°C (73°F) Low
213mm (8.4in) Rainfall
Low Crowds
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May

The transition continues with rainfall dropping significantly from earlier months. You're starting to see more consistent sunny stretches, though brief showers are still part of the daily rhythm. It's actually a pretty nice time to visit—conditions are improving but tourist numbers haven't peaked yet.

31°C (87°F) High
23°C (73°F) Low
142mm (5.6in) Rainfall
Medium Crowds
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June

Welcome to the dry season. Rainfall drops to its lowest levels and you'll see plenty of sunshine with calmer seas. The southeast trade winds pick up a bit, which actually makes the humidity feel more bearable. This is when diving and snorkeling conditions are at their best.

30°C (86°F) High
22°C (72°F) Low
97mm (3.8in) Rainfall
High Crowds
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July

Peak dry season conditions with minimal rainfall and the most reliable weather of the year. Nights are slightly cooler—relatively speaking—and the consistent sunshine makes it ideal for outdoor activities. This is prime tourist season, so expect higher prices and more visitors at popular spots.

30°C (86°F) High
22°C (71°F) Low
99mm (3.9in) Rainfall
High Crowds
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August

The driest month of the year with excellent conditions across the board. Seas are calm, visibility is outstanding for diving, and you can plan outdoor activities with confidence. It's popular for good reason, though that means accommodations book up faster and prices reflect the demand.

30°C (86°F) High
22°C (71°F) Low
91mm (3.6in) Rainfall
High Crowds
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September

Still firmly in the dry season with wonderful weather conditions continuing. Rainfall remains low and sunshine is plentiful, making it another top choice for visiting. Tourist numbers start to taper off slightly toward the end of the month as peak season winds down.

31°C (87°F) High
22°C (72°F) Low
94mm (3.7in) Rainfall
Medium Crowds
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October

A transitional month as rainfall begins creeping back up, though conditions are still quite good overall. You might see more afternoon showers than the previous few months, but nothing too disruptive. A solid shoulder season option with fewer crowds and decent weather.

31°C (87°F) High
22°C (72°F) Low
155mm (6.1in) Rainfall
Medium Crowds
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November

The wet season is starting to make its presence known, with rainfall increasing and humidity ramping up. You'll still get plenty of nice days, but storms become more frequent and intense. Cyclone season technically begins, though early season activity is less common.

31°C (87°F) High
22°C (72°F) Low
142mm (5.6in) Rainfall
Low Crowds
View Details →

December

Wet season conditions are well established by now, with regular heavy rainfall and overcast periods. The islands are beautifully lush, and you can still have a great trip if you're flexible and don't mind getting a bit wet. Tourist numbers are lower, which has its advantages.

30°C (86°F) High
23°C (73°F) Low
216mm (8.5in) Rainfall
Low Crowds
View Details →

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