Caves of Hercules

The Caves of Hercules are limestone caves and a part of Moroccan cultural heritage. This site is one of the 27 sights of Morocco listed on this website and is the 15th 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 and August, when temperatures reach highs of 26-27 °C and there is almost no rain. The wettest months are November and December, which see over 120 mm of rain. Admission costs 10 dirham, though the site notes that an additional tour guide is not necessary.
The caves are 4 km from Tangier Ibn Battuta Airport and 210 km from Rabat. While visiting, you can also see the Grand Mosque of Tangier, located about 10 km away, or the American Legation, Tangier, which is about 12 km from the caves.
Weather by month
The warmest month is August, with an average high of 27 °C. The wettest is December, with about 131 mm of rain.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high, °C | 15 | 16 | 18 | 18 | 21 | 24 | 26 | 27 | 25 | 22 | 19 | 16 |
| Average low, °C | 11 | 12 | 13 | 14 | 15 | 18 | 20 | 21 | 20 | 17 | 15 | 13 |
| Rainfall, mm | 94 | 78 | 73 | 50 | 30 | 7 | 2 | 3 | 23 | 76 | 123 | 131 |
| Rainy days | 7 | 6 | 10 | 7 | 3 | 1 | 0 | 0 | 2 | 9 | 9 | 8 |
Temperatures and rainfall: 1981–2010 averages for this spot (4 km grid), from CHELSA. Rainy days: 2015–2024, NASA POWER.