Speedwell Island at a Glance
When to Go
Best Time to Visit Speedwell Island
Visits are restricted to the austral summer when sea and weather conditions are least hostile.
Austral summer
December-March · -2-5°C (28-41°F)
The only practical time for visits; sea ice retreats and seabirds are active.
Weather & Climate near Speedwell Island
Climate
Speedwell Island's climate is classified as Subpolar Oceanic - Subpolar Oceanic climate with cool summers (peaking in January) and cold winters (coldest in July). Temperatures range from 2°C to 13°C. Moderate rainfall (520 mm/year).
Air Quality:
AQI 22
Good
Temperature & Rainfall
Temperature Range
13°
Warmest Month
2°
Coldest Month
Monthly Conditions
| Month | Comfort | Temp | Feels | Rain | Sky | Humidity | Wind | UV | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | - | 8° - 13° | 10° | 58 mm | - | - | 7.7 m/s | - | - |
| February | - | 8° - 12° | 7° | 43 mm | - | - | 7.8 m/s | - | - |
| March | - | 7° - 11° | 6° | 52 mm | - | - | 7.3 m/s | - | - |
| April | - | 5° - 9° | 3° | 51 mm | - | - | 7.2 m/s | - | - |
| May | - | 4° - 7° | 1° | 48 mm | - | - | 6.6 m/s | - | - |
| June | - | 2° - 5° | -1° | 43 mm | - | - | 6.6 m/s | - | - |
| July | - | 2° - 5° | -2° | 39 mm | - | - | 6.7 m/s | - | - |
| August | - | 2° - 5° | -2° | 37 mm | - | - | 7.4 m/s | - | - |
| September | - | 2° - 6° | 0° | 32 mm | - | - | 7.4 m/s | - | - |
| October | - | 3° - 8° | 1° | 33 mm | - | - | 7.7 m/s | - | - |
| November | - | 5° - 10° | 3° | 35 mm | - | - | 7.7 m/s | - | - |
| December | - | 6° - 12° | 6° | 49 mm | - | - | 7.5 m/s | - | - |
Getting There & Around
How to Get to Speedwell Island
Speedwell Island lies in the South Atlantic sector near the Falkland Islands/Islas Malvinas region; access is by expedition vessels or private yachts during austral summer months and requires coordination with local authorities.
Tips for Visiting Speedwell Island
- Speedwell Island is remote and access is weather‑dependent; travel plans should include contingency days.
- Bring cold‑weather gear and sea‑proof clothing - the Southern Ocean rarely plays nice.
- Be mindful of protected wildlife and the ecological sensitivity of sub-Antarctic islands.