What to expect in Cartagena in August
August is a mixed month in Cartagena. You get 32° / 25°, but manageable crowds at the big attractions. Worth it for the right traveller.
Cartagena weather in August
Typical conditions in Cartagena during August, based on long-run climate normals rather than any single year. Treat it as a planning guide, not a forecast.
| Average high | 32°C 90°F |
|---|---|
| Average low | 25°C 77°F |
| Rainfall | Wet 90/100 |
| Total rainfall | 127 mm5.0 in |
| Rainy days | 13 |
| Sea temperature | 29°C 85°F |
| Daylight | 12 h 28 min |
| How it feels | Hot — midday shade matters |
Average highs sit around 32°C with lows near 25°C. Expect a fair amount of rain, so plan indoor backups.
Crowds & demand
Crowd levels are Moderate for Cartagena — manageable crowds at the big attractions.
Prices & value
This month counts as shoulder season: prices close to the yearly average.
What to pack
Lightweight, breathable clothes, strong sun protection and a refillable bottle — highs near 32°C make midday heat the main constraint. Add a compact rain shell and shoes you do not mind soaking; this is one of the wetter months.
What it costs
Costs in August sit around the yearly average for Cartagena — neither a bargain nor a squeeze. Booking a few weeks out is usually enough. Compared with the most expensive month of the year, you are looking at roughly 40% less.
Who this month suits
- Anyone travelling on a budget
- People who would rather have space than perfect conditions
Events & what’s on
No major festivals fall in August, so the destination feels like its everyday self.
Cartagena in August compared with nearby months
If your dates are flexible by a few weeks, this is what shifting them actually buys you.
| Month | Temp | Crowds | Price | Score |
|---|---|---|---|---|
| June | 32° / 25° | Moderate | $$ | 50 |
| July | 32° / 25° | Moderate | $$ | 51 |
| August · This month | 32° / 25° | Moderate | $$ | 53 |
| September | 31° / 24° | Low | $ | 58 |
| October | 31° / 24° | Low | $ | 54 |
These months score higher for Cartagena on the same blend of weather, crowds and price. Same destination, better odds.
Or go somewhere else in August
If the destination is negotiable but the month is not, these places are at their best in August.
Figures are climate normals and modelled estimates — a planning guide, not a forecast. We separate fact, estimate and recommendation. Updated October 2026
