Krakatoa

Krakatoa is a caldera and former island situated in the South Lampung region of Indonesia. Reaching an elevation of 813 meters, it stands as the most looked-up sight in Indonesia on English Wikipedia.
Planning a visit
The best time to visit Krakatoa is during the drier months of July, August, and September, which see the lowest rainfall and fewer rainy days compared to the rest of the year. Temperatures remain consistent year-round, averaging 27 °C to 28 °C. Throughout the year, rainfall is significant, with the wettest conditions occurring from November through April.
To reach the site, travelers can fly into Radin Inten II International Airport in Bandar Lampung, located 99 kilometers away, or Soekarno-Hatta International Airport in Jakarta, which is 136 kilometers away. The site is approximately 155 kilometers from the capital city of Jakarta.
Weather by month
Temperatures stay much the same all year, around 27 °C on average. The wettest is January, with about 446 mm of rain.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average temperature, °C | 27 | 27 | 27 | 27 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 |
| Rainfall, mm | 446 | 349 | 299 | 203 | 159 | 121 | 96 | 65 | 77 | 126 | 277 | 338 |
| Rainy days | 30 | 28 | 30 | 29 | 27 | 23 | 16 | 14 | 16 | 21 | 27 | 29 |
Temperatures and rainfall: 1981–2010 averages for this spot (4 km grid), from CHELSA. Rainy days: 2015–2024, NASA POWER.