Gough and Inaccessible Islands
Saint Helena, Ascension and Tristan da Cunha UNESCO World Heritage Site
Gough and Inaccessible Islands is an ecosystem and a World Heritage Site located in Tristan da Cunha, within Saint Helena, Ascension and Tristan da Cunha. It ranks as the 4th most looked-up sight on English Wikipedia among the country's sights. The islands offer a unique natural environment.
Planning a visit
Average temperatures range from 11 °C in September to 17 °C in February and March. Monthly rain varies from 184 mm in February on about 12 days to 352 mm in June on about 17 days. The islands are located 2473 km from Jamestown.
Temperatures are averages only. Plan your travel around the climate data, noting the cooler temperatures and higher rainfall throughout the year. The location is administered within Tristan da Cunha.
Weather by month
The warmest month is February, averaging 17 °C. Rain is spread fairly evenly through the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average temperature, °C | 16 | 17 | 17 | 16 | 14 | 13 | 12 | 12 | 11 | 12 | 14 | 15 |
| Rainfall, mm | 230 | 184 | 288 | 342 | 342 | 352 | 289 | 303 | 282 | 277 | 264 | 265 |
| Rainy days | 14 | 12 | 14 | 15 | 17 | 17 | 17 | 15 | 13 | 15 | 14 | 15 |
Temperatures and rainfall: 1981–2010 averages for this spot (4 km grid), from CHELSA. Rainy days: 2015–2024, NASA POWER.
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