Honiara weather in August
August in Honiara: sweltering, soaked, with clean air — a great time to visit.
#5 of 12 months in Honiara · #405 of 604 destinations to visit in August · comfort 71/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Honiara climate normals — August
| Daytime high | 29°C / 83°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 25°C / 78°F | |
| Feels like (high) | 34°C / 93°F | |
| Rainfall | 264 mm / 10.4 in | ⛈ soaked |
| Rainy days | 27 days | |
| Humidity | 88% | 💦 very humid |
| Dew point | 24°C / 75°F | |
| Sunshine | 8.8 h/day | |
| Daylight | 11.8 h | |
| Wind | 16 km/h / 10 mph | |
| Air quality (US AQI) | 18 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Honiara in August — FAQ
- Is August a good time to visit Honiara?
- August in Honiara: sweltering, soaked, with clean air — a great time to visit. It ranks #5 of 12 months for Honiara on SeasonMap's comfort score (71/100).
- What is the weather like in Honiara in August?
- In August, Honiara averages a daily high of 28.6°C and a low of 25.3°C, with about 263.6 mm of rain over roughly 27.2 rainy days.
- What is the air quality in Honiara in August?
- Honiara has a mean US Air Quality Index of about 18 in August.