Your Cruise, Your Weather
Plan Your Cruise With Free Weather Forecasts
Loading Travel Forecast…Loading Travel Forecast…Loading Travel Forecast…Historical averages and packing recommendations for your August visit to Cartagena.
"Rain returns, very humid"
Affiliate links — these help keep our site free by earning us a commission at no extra cost to you.
Cartagena is the most-visited port on Panama Canal and Central America itineraries — a UNESCO World Heritage walled city of pastel colonial mansions, flower-draped balconies, and centuries-old stone fortifications. Most cruisers spend the day wandering the Old Town, browsing emerald shops, and touring the massive Castillo San Felipe de Barajas fortress before returning to the ship for the canal transit ahead.
Cartagena in August is warm and sunny, with average highs around 89°F and lows that rarely dip below 76°F. Expect around 9 rainy days, typically brief afternoon showers rather than all-day rain. Morning excursions are usually the safest bet. Rain returns, very humid
Crowds are moderate in August, making it a good balance between availability and weather. Pack reef-safe SPF 50+ sunscreen, a hat, and breathable fabrics — the sun at 89°F is intense, especially near the water.
World Cruise Roundtrip Auckland
Princess Cruises · May 6, 2026
World Cruise Sydney to Brisbane
Princess Cruises · May 10, 2026
World Cruise Roundtrip Sydney
Princess Cruises · May 10, 2026
World Cruise Segment Melbourne to Sydney
Princess Cruises · May 12, 2026
World Cruise Liner London (Dover) to Sydney
Princess Cruises · Jul 4, 2026
World Cruise Liner London (Dover) to Auckland
Princess Cruises · Jul 4, 2026
The average high temperature in Cartagena during August is 89°F, with a low of 76°F.
Cartagena typically sees 9 days of rain in August. Rain returns, very humid
For a August cruise to Cartagena, you should pack lightweight, breathable clothing, swimwear, and sun protection.
Most PopularCartagena and Murcia - full day shore excursion (cruisers only)
From $127
Book Now
Budget PickRoman exploration in Cartagena (Spain) Walking tour
From $64
Book Now