Honiara Weather in August

Honiara in August averages 28°C (82°F) during the day and 24°C (75°F) at night. August is part of the rainy season, so frequent rainfall is typical.

Rainfall in Honiara in August

As part of the rainy season, Honiara sees around 14 days of rain in August, with an average of 199 mm (7.8 in). With rain on many days and solid totals, showers are frequent and often moderately heavy. Waterproof gear is a sensible idea.

Temperature in Honiara in August

Daytime highs in Honiara in August reach 28°C (82°F), with nights around 24°C (75°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights stay warm at around 24°C (75°F), so light bedding and good ventilation are worth thinking about.

Sunshine in Honiara in August

Enjoy a sunny month with about 205 hours of sunshine, even though this month falls in the wet season. There is still enough sun to enjoy the outdoors.

Average water temperature in August

At 28°C (82°F), the water is warm and comfortable for swimming. Most people find this temperature ideal for spending longer periods in the water.

If your ideal day consists of dry skies and pleasant temperatures, June and August typically offer the best circumstances for Honiara.

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For a detailed overview over the year and the best time to visit Solomon Islands, check out our Honiara's climate page.

Honiara Temperature in August

Min Temperature 24°C (75°F)  

Max Temperature 28°C (82°F)  

Water Temperature 28°C (82°F)  

Chance of Rain 45%  

Precipitation 199 mm (7.8 in)  

Rainy days 14 days  

Humidity 73%  

Sunshine 205 hours  

Percentage Sunshine  

Daily Historical Temperatures

47-year average (1976-2025)

Based on our historical records, temperatures in Honiara typically stay consistent throughout August, with daily highs averaging around 28°C (82°F). Nights are warm, with lows around 23°C (73°F).

Average temperatures in August

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Daily Historical Precipitation

47-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in August

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Historical weather for Honiara in August

Browse day-by-day weather records for Honiara spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Historical weather Temperatures Precipitation

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Honiara historical weather extremes in August

Based on 21 years of weather observations in Honiara between 2004 and 2025, these are the recorded extremes.

• The warmest day in August was on August 31, 2020, with a maximum of 35°C (95°F).
• The lowest daytime temperature in August was 24°C (75°F), recorded on August 5, 2008.
• Nighttime temperatures dropped to 18°C (64°F) on August 10, 2015, marking the coldest August night on record.
• The wettest August day on record brought 84 mm (3.3 in) of precipitation to Honiara (August 3, 2011).

What to Wear in Honiara in August

Warm weather calls for comfortable, breathable clothing in August. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. The water temperature sits at about 28°C (82°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Honiara in August

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

8/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Solomon Islands, check out our Honiara's climate page.

More climate data for Honiara

Temperature Rainfall Sunshine Humidity Water Temp

See the full Honiara climate overview or explore weather in Solomon Islands.