Rossel IslandRossel Island at a Glance
Tips for Visiting Rossel Island
- Travel during the dry season (roughly May-October) when sea passages to Louisiade Archipelago islands are calmer and small-boat services are more dependable.
- Confirm transport and local permits well ahead of time-Rossel is remote with very limited infrastructure, so arrange your vessel and any village permissions via Alotau-based operators or local contacts before departure.
When to Go
Best Time to Visit Rossel Island
Visit Rossel Island in the dry season (May-October) when sea conditions and travel are most reliable and outdoor activities are easier.
Dry season (best time)
May-October · 24-31°C
Drier weather, calmer seas and better conditions for inter-island travel, diving and beach activities.
Wet season
November-April · 24-31°C
Frequent heavy rains, higher humidity and rougher seas that can disrupt boat services and outdoor plans.
Weather & Climate near Rossel Island
Climate
Rossel Island's climate is classified as Tropical Rainforest - Tropical Rainforest climate with consistently warm temperatures year-round. Temperatures range from 19°C to 29°C. Heavy rainfall (3241 mm/year), wettest in April.
Air Quality:
AQI 20
Good
Temperature & Rainfall
Temperature Range
29°
Warmest Month
19°
Coldest Month
Monthly Conditions
| Month | Comfort | Temp | Feels | Rain | Sky | Humidity | Wind | UV | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | - | 21° - 28° | 25° | 314 mm | - | - | 2.6 m/s | - | - |
| February | - | 22° - 29° | 25° | 333 mm | - | - | 2.4 m/s | - | - |
| March | - | 21° - 28° | 25° | 312 mm | - | - | 2.9 m/s | - | - |
| April | - | 21° - 28° | 24° | 393 mm | - | - | 2.8 m/s | - | - |
| May | - | 20° - 27° | 24° | 264 mm | - | - | 2.8 m/s | - | - |
| June | - | 20° - 26° | 23° | 204 mm | - | - | 3.1 m/s | - | - |
| July | - | 19° - 26° | 23° | 269 mm | - | - | 2.9 m/s | - | - |
| August | - | 19° - 26° | 23° | 230 mm | - | - | 3.4 m/s | - | - |
| September | - | 20° - 27° | 23° | 205 mm | - | - | 3.0 m/s | - | - |
| October | - | 21° - 28° | 25° | 248 mm | - | - | 2.5 m/s | - | - |
| November | - | 21° - 29° | 25° | 213 mm | - | - | 2.2 m/s | - | - |
| December | - | 21° - 29° | 25° | 256 mm | - | - | 2.3 m/s | - | - |