Horsburgh Island at a Glance
Things to Do
When to Go
Best Time to Visit Horsburgh Island
Horsburgh Island is remote; there are no visitor facilities and access is controlled by national authorities or research programs.
Tropical dry season
April-November · 25-30°C
Calmer seas and clearer skies make small-boat access easier if permitted by authorities.
Weather & Climate near Horsburgh Island
Climate
Tropical climate with consistently warm temperatures year-round. Temperatures range from 24°C to 30°C. Heavy rainfall (2040 mm/year), wettest in April.
Air Quality:
AQI 18
Good
Best Time to Visit
SeptemberOctoberDecember
Temperature & Rainfall
Temperature Range
30°
Warmest Month
24°
Coldest Month
Monthly Conditions
| Month | Comfort | Temp | Feels | Rain | Sky | Humidity | Wind | UV | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | Very Good | 25° - 30° | 30° | 173 mm | partly cloudy | 79% | 5.2 m/s | 3.0 extreme | 12.6h |
| February | Very Good | 25° - 30° | 31° | 179 mm | partly cloudy | 80% | 4.0 m/s | 3.0 extreme | 12.4h |
| March | Very Good | 25° - 30° | 31° | 230 mm | partly cloudy | 80% | 4.6 m/s | 2.7 extreme | 12.1h |
| April | Good | 25° - 30° | 31° | 251 mm | overcast | 81% | 4.2 m/s | 2.2 extreme | 11.7h |
| May | Good | 25° - 29° | 30° | 215 mm | overcast | 80% | 4.9 m/s | 1.8 very high | 11.4h |
| June | Good | 25° - 29° | 27° | 229 mm | overcast | 80% | 4.7 m/s | 1.6 very high | 11.3h |
| July | Good | 24° - 28° | 26° | 225 mm | overcast | 79% | 5.9 m/s | 1.7 very high | 11.3h |
| August | Very Good | 24° - 28° | 26° | 132 mm | partly cloudy | 78% | 6.0 m/s | 2.0 extreme | 11.6h |
| September | Very Good | 24° - 28° | 26° | 96 mm | partly cloudy | 78% | 5.3 m/s | 2.4 extreme | 11.9h |
| October | Very Good | 24° - 29° | 26° | 78 mm | partly cloudy | 78% | 5.8 m/s | 2.6 extreme | 12.3h |
| November | Very Good | 24° - 29° | 27° | 121 mm | partly cloudy | 79% | 6.0 m/s | 2.7 extreme | 12.6h |
| December | Very Good | 25° - 29° | 27° | 111 mm | partly cloudy | 80% | 5.4 m/s | 2.9 extreme | 12.7h |
Getting There & Around
How to Get to Horsburgh Island
There are no regular passenger routes. Access is limited to chartered research vessels, private yachts with local permission, or national agency expeditions. Permissions and logistics must be arranged through the relevant national maritime authority.