Fortress of the Immaculate Conception
El Castillo, Nicaragua
The Fortress of the Immaculate Conception is a fortress in the city of El Castillo, within the Río San Juan Department of Nicaragua. It is a Tentative World Heritage Site that was commissioned in 1673. It is the 8th most looked-up sight in Nicaragua on English Wikipedia.
Planning a visit
The months of January, February, and March have the fewest rainy days, with between 4 and 6 rainy days per month. Daily high temperatures range from 27 °C to 31 °C, and daily lows are between 22 °C and 23 °C. From May to October, the area is wetter, with monthly rainfall between 223 mm and 384 mm. July has the highest rainfall at 384 mm, and September has 27 rainy days.
The site is 240 km from Managua. The nearest airport is La Fortuna Arenal Airport in the city of La Fortuna, Costa Rica, which is 64 km away. Another option is Juan Santamaría International Airport in San José (Alajuela), Costa Rica, which is 116 km from the site. Admission to the fortress is US$2, and a camera permit is US$1.
Weather by month
The warmest month is April, with an average high of 31 °C. The wettest is July, with about 384 mm of rain.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high, °C | 27 | 28 | 30 | 31 | 30 | 29 | 28 | 29 | 29 | 28 | 28 | 27 |
| Average low, °C | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 22 | 22 |
| Rainfall, mm | 129 | 77 | 64 | 72 | 223 | 333 | 384 | 356 | 307 | 322 | 232 | 187 |
| Rainy days | 6 | 4 | 5 | 12 | 22 | 25 | 21 | 22 | 27 | 26 | 19 | 10 |
Temperatures and rainfall: 1981–2010 averages for this spot (4 km grid), from CHELSA. Rainy days: 2015–2024, NASA POWER.
