Honiara weather in May
May in Honiara: sweltering, soaked, with clean air — a great time to visit.
#4 of 12 months in Honiara · #452 of 604 destinations to visit in May · comfort 71/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Honiara climate normals — May
| Daytime high | 29°C / 84°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 26°C / 78°F | |
| Feels like (high) | 35°C / 95°F | |
| Rainfall | 296 mm / 11.7 in | ⛈ soaked |
| Rainy days | 28 days | |
| Humidity | 89% | 💦 very humid |
| Dew point | 25°C / 77°F | |
| Sunshine | 9.1 h/day | |
| Daylight | 11.7 h | |
| Wind | 13 km/h / 8 mph | |
| Air quality (US AQI) | 14 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Honiara?
Loading map…
Honiara in May — FAQ
- Is May a good time to visit Honiara?
- May in Honiara: sweltering, soaked, with clean air — a great time to visit. It ranks #4 of 12 months for Honiara on SeasonMap's comfort score (71/100).
- What is the weather like in Honiara in May?
- In May, Honiara averages a daily high of 29.1°C and a low of 25.6°C, with about 296.4 mm of rain over roughly 27.8 rainy days.
- What is the air quality in Honiara in May?
- Honiara has a mean US Air Quality Index of about 14 in May.