Temperature
Warm by day, warm at night.
Honiara is most comfortable around July and August, its relatively drier stretch in a warm, humid climate.

Warm by day, warm at night.
Lower rainfall than in most months here, though showers remain frequent.
Cloudier spells limit sunshine.
Warm, humid days, with brief hot afternoons.
In August, afternoons feel about 88° and nights feel near 84°.
Mostly cloudy skies.
Calm winds are typical in August.
August late afternoons are around 81°F, easing to about 79°F in early evening.
Similar climates
Want a side-by-side climate view? Compare Honiara with Port Moresby.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Aug 3, 2026
Data & methodology