Honiara weather in January
January in Honiara: sweltering, soaked, with clean air — a good time to visit.
#10 of 12 months in Honiara · #305 of 604 destinations to visit in January · comfort 68/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Honiara climate normals — January
| Daytime high | 29°C / 85°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 26°C / 78°F | |
| Feels like (high) | 36°C / 97°F | |
| Rainfall | 347 mm / 13.6 in | ⛈ soaked |
| Rainy days | 26 days | |
| Humidity | 90% | 💦 very humid |
| Dew point | 25°C / 77°F | |
| Sunshine | 8.8 h/day | |
| Daylight | 12.6 h | |
| Wind | 14 km/h / 9 mph | |
| Air quality (US AQI) | 11 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Honiara?
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Honiara in January — FAQ
- Is January a good time to visit Honiara?
- January in Honiara: sweltering, soaked, with clean air — a good time to visit. It ranks #10 of 12 months for Honiara on SeasonMap's comfort score (68/100).
- What is the weather like in Honiara in January?
- In January, Honiara averages a daily high of 29.4°C and a low of 25.6°C, with about 346.6 mm of rain over roughly 26.4 rainy days.
- What is the air quality in Honiara in January?
- Honiara has a mean US Air Quality Index of about 11 in January.