Looking for a summer getaway to Colombia’s Caribbean coast? While Cartagena weather in August is hot, humid, and sometimes wet, you will not be stuck inside your entire trip. There are still sunny days to enjoy strolling around the Old City, unwinding by the water, and taking a visit to the islands. The important thing is to learn what August is like before you get there! Here you will find out about the heat, rain, sea conditions, hurricane season and how to plan boat trips. With a bit of flexibility you can still enjoy Cartagena despite tropical showers.
Cartagena Weather in August at a Glance
The weather in Cartagena Colombia in August stays warm from morning to night. The temperature during the day is generally 31°C (88°F) and at night about 27°C (81°F). The Caribbean Sea is also very warm, making swimming and trips to the islands desirable.
A quick overview of what to expect:
| Weather Factor | Typical August Conditions |
| Daytime temperature | Around 31°C (88°F) |
| Night temperature | Around 27°C (81°F) |
| Sea temperature | Around 30°C (86°F) |
| Rainfall | Around 146 mm |
| Rainy days | Around 24 days |
| Humidity | High |
| Sunshine | Around 12 hours of daylight |
| Overall conditions | Hot, humid, with tropical showers |
If you are not afraid of tropical heat and a bit of rain, August is the best month to go to Cartagena. Showers are not always for the entire day, and you still might have enough time to get to beaches, go sightseeing, swim, and enjoy boat activities. To get a broader view of weather throughout the year, consult our Cartagena weather guide before selecting a travel time.
Cartagena Temperature in August
The heat will become evident when you step outside. Cartagena weather in August has a temperature of about 30°c to 31°c (86°f to 88°f) during the day, and warm nights too. Not much heavy is needed after the setting sun.
These temperatures can feel even hotter in humid conditions. When traveling to the Old City, Getsemaní or any of the outdoor attractions, it is best to get there early in the morning. During the hottest hours of the day, take a break and explore later.
Heat and Humidity
August is also very warm due to the humidity. You might begin to feel hot after just a few steps, particularly during the middle of the day. Familiarize yourself with shaded streets, coffee shops and indoor venues that can offer respite.
Don’t rush through your day. Keep hydrated and dress lightly. Exploring Cartagena is much more fun in August with these simple tricks.
How to Handle Cartagena’s August Heat
Bring a reusable water bottle and drink often, even if you don’t feel thirsty. When walking around the city and spending time by the coast, a hat, sunglasses, and sunscreen are useful.
Consider visiting during the daylight hours, and plan your activities that might take longer during the afternoon. More ideas are available in our things to do in Cartagena guide and you can make plans based on the weather of the day.
Cartagena Rainy Season: What August Really Feels Like
The Cartagena rainy season is usually characterized by more rain and humidity than the dry season months. August is part of this wetter time of year and you should be ready for a mixture of sun, cloud and tropical rain.
You don’t have to stay out of the city! In between the showers, Cartagena has lots to offer, including vibrant streets, restaurants, beaches, and experiences in the Caribbean. It’s better to have a flexible route than to plan weeks ahead for each shower.
Advantages of Visiting During the Rainy Season
An advantage of visiting during August is that warm Caribbean weather still prevails even with the rain. When local conditions are appropriate it is still possible to enjoy swimming and water related activities in the warm sea.
Outdoor experiences can be paired with visits to museums, cafés, restaurants, and other indoor attractions. This will facilitate an easy backup in case of a shower during your sightseeing day.
Cartagena Hurricane Season in August
Before making a booking, you might consider the Atlantic hurricane season, which includes August. The Cartagena hurricane season is during the same season as the rest of the Caribbean, but just because you are in hurricane season does not mean you will have a hurricane impact your vacation.
Rain, wind and sea state are still influenced by weather systems. As your trip date approaches, consult trustworthy predictions, particularly if you are going to be on the water for an extended period.
Should Hurricane Season Stop You From Visiting?
Don’t automatically assume that an August vacation is off due to hurricane season. A large number of travellers travel to the Caribbean in this period, and they are enjoying their normal vacation without facing a major storm.
It is advisable to remain updated and flexible with plans. Take official weather information and follow the advice of local boat operators if wind, rain or sea conditions change during an excursion.
Visiting the Rosario Islands in August
The Rosario Islands are an easy way to add turquoise Caribbean scenery to your Cartagena holiday. Swimming is fun in the warm water and the island beaches offer a respite from the hustle and bustle of the city.
For more privacy and control of your day, a Private Catamaran Rosario Island experience can take you away from the city for a relaxed day on the water.
Private vs Shared Catamaran Trips
A private tour is advisable when traveling with family members and/or friends and preferring their own accommodations. Enjoy a more personal atmosphere while spending the day together in the Caribbean.
Shared catamaran tours are also available for those who like to travel with other members of the community. If you are looking to compare private boating experiences, you can also try a Cartagena boat rental.
Sunset Boat Trips in August
It’s not necessary to spend one full day at sea to enjoy Cartagena from the water. Taking a cruise or two in the evening to see the city skyline as the sun sets is one of the best ways to cool off during the peak hours of the day.
A Cartagena sunset catamaran can easily be integrated into a day spent sightseeing, shopping or just relaxing at your hotel. Please check the forecast for the day before travelling.
Dinner Cruises for Couples
For couples, an evening on the bay can make your trip special. The cooler evening hours also allow you to take a break from the daytime heat after exploring the city.
Consider a Cartagena bay dinner cruise or discover more romantic things to do in Cartagena when planning time together.
What to Pack for Cartagena in August
Packing for Cartagena weather in August is fairly simple. Consider heat, intense tropical sun, unexpected showers and water time. Light items will typically be more useful than heavy clothing.
Bring these essentials:
- Small day bag
- Hat and sunglasses
- Quick-drying clothes
- Reef-safe sunscreen
- Refillable water bottle
- Lightweight rain jacket
- Waterproof phone pouch
- Swimsuit & light cover-up
- Lightweight, breathable clothes
- Sneakers or comfortable shoes
If you’re going to be exploring all day, you may need a second dry shirt. Clothes can get wet due to humidity, rain, and boat activities.
Tips for Planning Around August Weather
The Cartagena weather in August can change during the day, so a little planning can make your trip easier. Keep these simple tips in mind:
Plan early: Visit and do outdoor activities during the cooler morning hours.
Avoid dehydration: Drink water often and particularly when outdoors or active.
Be flexible: Allow some free time in your plans to accommodate the possibility of rain.
Listen to your boat crew: When weather and sea conditions change, follow the advice of your captain.
Watch the weather: Before heading to an island or boat trip, check the forecast for rain, wind and sea conditions.
Plan for sun and rain: Bring sun screen, sunglasses, hat, and a light rain jacket. A waterproof cell phone case is also helpful.
Final Thoughts
Cartagena weather in August is hot, humid, with warm Caribbean waters and the good possibility of tropical rain. The month itself isn’t the driest period to travel, but it doesn’t mean that it should be ruled out. The best strategy is to plan for uncertainty and be flexible.
When the weather is favorable, you can take Cartagena boat tours, explore the colorful streets of the city, enjoy the beach, visit the Rosario Islands, and spend time on the water. When Caribbean escape is calling, pick an experience that’s right for your group, pay attention to the weather, and take a day-by-day approach to Cartagena. Contact us on WhatsApp for planning or recommendations, our team will be glad to help you.
Frequently Asked Questions
What Is Cartagena Weather in August Like?
Cartagena Weather in August is a hot, humid, comparatively wet month. The temperature is typically 30-31°C (86-88°F) and nights are still warm and tropical. You need to take precautions against the sun and against the rain.
Does It Rain All Day in Cartagena in August?
Not necessarily. Rainy days are common in August, and a rainy day may consist of showers or dry spells. It can be sunny in the morning, rain in the afternoon, and dry in the evening.
Can You Take a Boat Trip in Cartagena in August?
Yes, you can still go on boat trips. The warm Caribbean water is one of the biggest attractions of visiting at this time of year. Cartagena weather in August , however, can vary though, so it is the weather on the day you are traveling that is more important than the monthly average.
Can You Visit the Rosario Islands in August?
Yes, it is possible to visit the Rosario islands in August as long as local marine conditions are favorable. The warm Caribbean waters are appealing for swimming and relaxing by the shore.