Sierra Negra
Isabela, Ecuador

Sierra Negra is a shield volcano located on Isabela Island in the Galápagos Province of Ecuador. Composed of basalt, this mountain reaches an elevation of 1124 meters. It is one of the most looked-up sights in Ecuador and is one of 10 sights of the country featured on this site.
Planning a visit
Travelers planning a trip should consider the climate, as rainfall varies significantly throughout the year. The dry season runs from July to November, during which there are almost no rainy days. Conversely, the period from January through April experiences the most precipitation, with March recording about 14 rainy days and 388 mm of rain. Temperatures remain consistent regardless of the season, with daily highs ranging from 23 °C to 24 °C and daily lows between 19 °C and 20 °C. To reach the volcano, visitors can use General Villamil Airport (IBB) in Puerto Villamil, which is located 27 km away. The site is situated 1409 km from the capital, Quito. The Sierra Negra shield volcano is open for visits between the hours of 6am and 6pm.
Weather by month
Temperatures stay much the same all year, around 21 °C on average. The wettest is February, with about 428 mm of rain.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high, °C | 23 | 23 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 23 |
| Average low, °C | 19 | 20 | 21 | 20 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 19 |
| Rainfall, mm | 389 | 428 | 388 | 284 | 98 | 106 | 95 | 62 | 50 | 47 | 51 | 152 |
| Rainy days | 7 | 12 | 14 | 10 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 2 |
Temperatures and rainfall: 1981–2010 averages for this spot (4 km grid), from CHELSA. Rainy days: 2015–2024, NASA POWER.