Cartagena in August

In August, Cartagena averages 32°C (90°F) during the day and 25°C (77°F) at night, with frequent rain — about 14 days of the month see precipitation (130 mm total).

High season

Conditions are warm and beach-friendly. Plan for unsettled weather and bring rain gear.

August is one of the wetter and less comfortable months in Cartagena. If your dates are flexible, consider a different time of year.

32°C
Avg high
25°C
Avg low
14
Rain days
130 mm
Rainfall

How August compares to the rest of the year in Cartagena

5th
warmest month of the 12
3rd
wettest month of the 12
13%
of yearly rainfall falls in August
12 h 28 min
daylight on the 15th

August is in the middle of the year for warmth in Cartagena (5th of 12) and one of the wettest months (3rd of 12). Daytime temperature runs 1°C above the annual average (31°C). August runs roughly the same as July (32°C) and cools 1°C in September (31°C).

August sunrise & sunset in Cartagena

🌅
Sunrise (15th)
5:52 AM
🌇
Sunset (15th)
6:20 PM
Day length
12 h 28 min

Times shown for Cartagena local time (America/Bogota), calculated for the 15th of August. They shift by a few minutes day to day across the month.

Photography light in Cartagena — August

Golden-hour and blue-hour windows for the 15th of August, in Cartagena's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).

🌅 Blue hour (AM)
4:52 AM – 5:32 AM
🌄 Golden hour (AM)
5:32 AM – 6:32 AM
🌇 Golden hour (PM)
5:40 PM – 6:40 PM
🌆 Blue hour (PM)
6:40 PM – 7:20 PM
Milky Way galactic core
Fair
Core only briefly above the horizon — a marginal month even from dark sites near Cartagena.

📅 When to book — Cartagena in August

Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on August's tier (High season) and Cartagena's popularity.

✈ Flights — lead time
2-3 months
Prices are above off-season but not the absolute peak. Tuesday/Wednesday departures are usually cheaper than weekend ones.
🏨 Lodging — lead time
2-3 months
Wide selection still available at this lead time. Premium properties book first; consider 'last-minute deal' availability at 2-week mark if your dates are flexible.

Crowds & pricing — August in Cartagena

High season

This is a busy month in Cartagena — not the absolute peak, but tourist numbers are clearly elevated. You'll feel it at headline attractions on weekends and in the historic centre, though side streets and lesser-known sights stay manageable. Prices are above off-season but not at their summit. A good week for first-time visitors who want everything open without the worst of the crush.

Why this tier: Northern Hemisphere summer holidays

Sun & mosquito risk — August in Cartagena

☀️ UV Index (noon, 15th)
13
Extreme
Stay indoors during midday hours; SPF 50+ even briefly outside, UPF clothing, wide-brim hat, sunglasses essential.
🦟 Mosquito risk
●●●●●
Severe
Severe mosquito season with active disease transmission risk. DEET 30%+, picaridin 20%, long sleeves day and night, treated nets, and check CDC/WHO travel advisories before going.

UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.

Sea temperature in Cartagena — August

30.3°C (87°F)
bath-warm
tropical and comfortable for hours

Across the year Cartagena's sea swings from 28.1°C (February) to 30.6°C (September) — August sits at 30.3°C.

Cartagena in other months

MonthAvg highAvg lowRainfallRain daysSnow days
January 31°C / 88°F 24°C / 75°F 5 mm 1 0
February 31°C / 88°F 24°C / 75°F 5 mm 1 0
March 31°C / 88°F 25°C / 77°F 5 mm 1 0
April 32°C / 90°F 25°C / 77°F 25 mm 3 0
May 32°C / 90°F 25°C / 77°F 105 mm 9 0
June 32°C / 90°F 25°C / 77°F 105 mm 12 0
July 32°C / 90°F 25°C / 77°F 105 mm 12 0
August 32°C / 90°F 25°C / 77°F 130 mm 14 0
September 31°C / 88°F 25°C / 77°F 175 mm 16 0
October 31°C / 88°F 25°C / 77°F 220 mm 17 0
November 31°C / 88°F 25°C / 77°F 95 mm 11 0
December 31°C / 88°F 24°C / 75°F 25 mm 3 0

Other cities with similar August weather

🌍 See the full ranked list of climate twins for Cartagena in August →

Frequently asked questions

How hot is Cartagena in August?

In August, Cartagena averages a high of 32°C (90°F) and a low of 25°C (77°F) — generally hot.

Does it rain a lot in Cartagena in August?

August can be fairly wet in Cartagena, with about 14 rainy days on average.

Is August a good time to visit Cartagena?

August is hot but on the rainy side. It suits travelers who are comfortable with hot weather; check the month-by-month ranking to compare it against the rest of the year.

What should I pack for Cartagena in August?

Pack lightweight, breathable clothing, sunglasses and sunscreen, plus a compact umbrella or rain jacket. See the full August packing list for Cartagena for a complete, climate-based checklist.

Open Cartagena on the interactive map

Check the live 10-day forecast and sunrise/sunset.