Rumelihisarı

Rumelihisarı is an Ottoman architecture castle and museum commissioned by Mehmed II in 1451. It is one of the 96 sights of Turkey featured on this site and is the 42nd most looked-up sight in the country on English Wikipedia.
Planning a visit
The best time to visit is during the summer months, such as July or August, when daily highs reach 26 °C to 27 °C and rainfall is at its lowest with about 3 to 4 rainy days. In contrast, December is the wettest month with about 12 rainy days and 130 mm of rain, while January and February have the lowest temperatures with highs of 8 °C. The site is 30 km from Istanbul Sabiha Gökçen International Airport and 344 km from Ankara.
Visitors can combine a trip to Rumelihisarı with other nearby locations, including Beylerbeyi Palace (4.9 km), Yıldız Palace (5.4 km), Dolmabahçe Palace (6.8 km), Maiden's Tower (8.3 km), or The Museum of Innocence (8.8 km). The museum is open Thursday through Tuesday from 09:00 to 17:00. Admission costs 130 TL, which is about €4.25.
Weather by month
The warmest month is August, with an average high of 27 °C. The wettest is December, with about 130 mm of rain.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high, °C | 8 | 8 | 10 | 15 | 19 | 24 | 26 | 27 | 23 | 19 | 14 | 10 |
| Average low, °C | 5 | 4 | 5 | 9 | 13 | 18 | 21 | 21 | 18 | 15 | 10 | 7 |
| Rainfall, mm | 105 | 82 | 73 | 48 | 35 | 35 | 30 | 39 | 55 | 96 | 103 | 130 |
| Rainy days | 14 | 11 | 11 | 8 | 8 | 9 | 4 | 3 | 7 | 7 | 10 | 12 |
Temperatures and rainfall: 1981–2010 averages for this spot (4 km grid), from CHELSA. Rainy days: 2015–2024, NASA POWER.