Santa Marta weather in August
August in Santa Marta: warm, soaked, with clean air — fine if you can take 21 rainy days.
#10 of 12 months in Santa Marta · #581 of 897 destinations to visit in August · comfort 75/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Santa Marta in August
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Santa Marta climate normals — August
| Daytime high | 28°C / 83°F | 🌤 warm |
|---|---|---|
| Nighttime low | 25°C / 78°F | |
| Rainfall | 231 mm / 9.1 in | ⛈ soaked |
| Rainy days | 21 days | |
| Humidity | 84% | 💦 very humid |
| Dew point | 24°C / 74°F | |
| Sunshine | 9.8 h/day | |
| Daylight | 12.5 h | |
| Wind | 15 km/h / 9 mph | |
| Air quality (US AQI) | 42 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Santa Marta in August — FAQ
- Is August a good time to visit Santa Marta?
- August in Santa Marta: warm, soaked, with clean air — fine if you can take 21 rainy days. It ranks #10 of 12 months for Santa Marta on SeasonMap's comfort score (75/100).
- What is the weather like in Santa Marta in August?
- In August, Santa Marta averages a daily high of 28.3°C and a low of 25.4°C, with about 231 mm of rain over roughly 21.2 rainy days.
- What is the air quality in Santa Marta in August?
- Santa Marta has a mean US Air Quality Index of about 42 in August.