Climate guide for Cartagena, Colombia

Cartagena in August

Weather, crowds & best time to visit

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August · Colombia

Best time to visit Cartagena in August Weather, crowds & prices

Weather in Cartagena in August

Average temperature 28°C, 172 mm of rain, about 27 days with 6+ hours of sunshine and 85% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

August score

7.5/10

Ranked #9 of 12 months

Full year for Cartagena
Avg temp
28°C
Rainfall
172 mm
Humidity
85%
Days with 6h+ sun
27
Crowd Density
Moderate Crowds
Average Expenses
$ · Budget Friendly ($)

August in Cartagena scores 7.5/10 for beach and coastal travel - ranked #9 of 12. Expect around 28°C, 172 mm of rain, and roughly 27 days with 6+ hours of sunshine this month.

Cartagena de Indias is a walled Caribbean city in Colombia, with colonial squares, fortresses and island beaches.

August in Cartagena — reliably good (9th best month)

August averages 28°C (82°F) and humidity near 85%, so the practical pattern is early mornings, a long midday break, and evenings back outside.

Monthly rainfall reaches 172 mm — wet for this destination — but about 27 days with 6+ hours of sunshine still break through, so keep one indoor fallback in the plan.

It scores 7.5/10 here, 9th of 12 months, against 9.8/10 in the destination's best month.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.

Figure on low-season pricing, with crowds are moderate.

Flexible dates? January scores 2.3 points higher here — enough to change the trip.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Cartagena in August?
In August, Cartagena averages 28°C, 172 mm of rain, and about 27 days with 6+ hours of sunshine. Its climate-comfort score is 7.5/10.
Is August a good time to visit Cartagena?
August earns a 7.5/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Cartagena in August?
Expect about 172 mm of rain in August. Average humidity is 85% and there are about 27 days with 6+ hours of sunshine.

Curated in Cartagena

Tickets & experiences

Things to do in Cartagena

Cartagena, Colombia. Live activities and tours from GetYourGuide, matched to this destination.