Colombia Cartagena Weather in August — Climate Guide
August in Cartagena is moderate
Cartagena Weather in August — Quick Answer
As of 2026- Avg temp
- 32° / 25°
- Rainfall
- 110mm · 10 days
- Crowds
- Moderate
As of 2026, Cartagena in August averages a high of 32°C and low of 25°C with 110mm of rain over about 10 days. Hot, humid, and wet — around 32°C/25°C (90°F/77°F). Light, quick-drying clothing, a rain jacket or umbrella for frequent afternoon storms, sun hat, sunglasses, SPF 50+, and water. Swimwear for the warm sea.
August is moderate for Cartagena.
August turns wetter again — around 32°C/25°C (90°F/77°F), humid, with frequent and heavier afternoon storms (about 110mm). Mornings often stay sunny before the rain builds later in the day.
There's no major festival, international visitor numbers are lower, and prices are below the winter peak — good value if you can work around the weather.
Travel score
Cartagena August Weather Stats
Avg High
32°C
Avg Low
25°C
Rainy Days
10
110mm total
Sunshine
7h
Daily avg
Humidity
80%
very humid
UV Index
11
Extreme
Wind
14 km/h
Gusts 28
Sea Temp
29°C
Avg water temp
Crowds
Moderate
At attractions
August Sunrise & Sunset
Air Quality
PM2.5
15 μg/m³
PM10
28 μg/m³
Status
good
Feels-Like Temperature & Wind
Feels like
Daytime
39°C
Nighttime
27°C
Humidity and wind affect how the actual temperature feels.
Wind
14 km/h
Max gust 28 km/h
Activities Recommended for August
August Travel Pros & Cons
Pros
- Lower prices, fewer crowds
- Sunny mornings for sightseeing
- Warm, swimmable sea
- Good value if flexible
Cons
- Frequent, heavy afternoon storms
- High humidity
- Storms disrupt boat trips
- Constant heat
August Events & Festivals
- Wetter again — frequent afternoon downpours
- Sunny mornings, stormy late afternoons
- Lower prices, fewer international visitors
- Warm sea, still swimmable
Cartagena in August — Full Picture
August turns wetter again — around 32°C/25°C (90°F/77°F), humid, with frequent and heavier afternoon storms (about 110mm). Mornings often stay sunny before the rain builds later in the day.
There's no major festival, international visitor numbers are lower, and prices are below the winter peak — good value if you can work around the weather.
With a morning-first plan, you can still enjoy the islands, the walled city, and the fort, saving stormy afternoons for indoor sights, long lunches, or museums. The warm sea remains swimmable.
Note: this is one of the wetter months, so keep island days flexible and carry rain gear. Humidity is high — hydrate constantly and make sure your accommodation has strong air conditioning.
What to Wear & What to Pack
Hot, humid, and wet — around 32°C/25°C (90°F/77°F). Light, quick-drying clothing, a rain jacket or umbrella for frequent afternoon storms, sun hat, sunglasses, SPF 50+, and water. Swimwear for the warm sea.
Packing Checklist
Seasonal Weather Overview
Spring (Mar·Apr·May)
31.7°C
24.7°C
4.7/mo
Summer (Jun·Jul·Aug)
Current32°C
25°C
8.3/mo
Autumn (Sep·Oct·Nov)
31°C
25°C
12.3/mo
Winter (Dec·Jan·Feb)
31°C
24°C
1.3/mo
Cartagena Monthly Weather Comparison
| Month | High | Low | Rain | Sun | Humid | UV | Crowd | Price |
|---|---|---|---|---|---|---|---|---|
| January (Best) | 31° | 24° | 1d·2mm | 9h | 78% | 11 | Very busy | Peak |
| February (Best) | 31° | 24° | 0d·1mm | 9h | 77% | 11 | Busy | Peak |
| March (Best) | 31° | 24° | 1d·3mm | 9h | 77% | 12 | Busy | Peak |
| April (Best) | 32° | 25° | 4d·25mm | 8h | 78% | 12 | Moderate | Shoulder |
| 32° | 25° | 9d·95mm | 7h | 80% | 11 | Moderate | Shoulder | |
| 32° | 25° | 8d·80mm | 7h | 79% | 11 | Moderate | Shoulder | |
| 32° | 25° | 7d·65mm | 8h | 78% | 11 | Busy | Shoulder | |
| 32° | 25° | 10d·110mm | 7h | 80% | 11 | Moderate | Shoulder | |
| 31° | 25° | 12d·130mm | 6h | 81% | 11 | Quiet | Low season | |
| 31° | 25° | 13d·140mm | 6h | 82% | 10 | Quiet | Low season | |
| 31° | 25° | 12d·130mm | 6h | 81% | 10 | Moderate | Shoulder | |
| December (Best) | 31° | 24° | 3d·15mm | 8h | 79% | 11 | Very busy | Peak |
View Other Months
Cartagena August Hotel Picks
Frequently Asked Questions
Is August a good time to visit Cartagena?
Cartagena in August is moderate. Tourist crowds are moderate and flight/hotel prices are shoulder.
What's the average temperature in Cartagena in August?
Cartagena August averages a high of 32°C and a low of 25°C.
Does it rain much in Cartagena in August?
Cartagena August averages 110mm of rainfall over about 10 rainy days.
What should I wear in Cartagena in August?
Hot, humid, and wet — around 32°C/25°C (90°F/77°F). Light, quick-drying clothing, a rain jacket or umbrella for frequent afternoon storms, sun hat, sunglasses, SPF 50+, and water. Swimwear for the warm sea.
What time are sunrise and sunset in Cartagena in August?
Cartagena August sunrise is 06:00 and sunset is 18:05, with 12h 05min of daylight.
What's the air quality like in Cartagena in August?
Cartagena August air quality (AQI) averages 40, rated Good. PM2.5 averages 15μg/m³.
What activities are recommended in Cartagena in August?
In August, Cartagena is great for Morning island & beach trips, Old City walks (morning), Indoor sights on stormy afternoons.
Is August peak season in Cartagena?
Cartagena August crowds are moderate and prices are shoulder. You can travel relatively comfortably without long queues.
Best Months to Visit Cartagena
View Other Months
Planning a August trip to Cartagena?
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Why you can trust weather guide
Based in Chiang Mai for 8+ years, with 30+ countries visited across Southeast Asia, Japan, and Europe. Every detail in this guide is primary-source verified as of April 2026, with prices auto-refreshed via live exchange rate APIs. This isn't AI-generated boilerplate — it's written from the perspective of someone who has actually been there.