Santa Marta weather in December
December in Santa Marta: warm, dry, with clean air — an excellent time to visit.
#3 of 12 months in Santa Marta · #96 of 897 destinations to visit in December · comfort 88/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Santa Marta in December
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Santa Marta climate normals — December
| Daytime high | 27°C / 81°F | 🌤 warm |
|---|---|---|
| Nighttime low | 25°C / 76°F | |
| Rainfall | 22 mm / 0.9 in | ☀️ dry |
| Rainy days | 4 days | |
| Humidity | 82% | 💦 very humid |
| Dew point | 22°C / 72°F | |
| Sunshine | 10.4 h/day | |
| Daylight | 11.5 h | |
| Wind | 19 km/h / 12 mph | |
| Air quality (US AQI) | 33 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Santa Marta in December — FAQ
- Is December a good time to visit Santa Marta?
- December in Santa Marta: warm, dry, with clean air — an excellent time to visit. It ranks #3 of 12 months for Santa Marta on SeasonMap's comfort score (88/100).
- What is the weather like in Santa Marta in December?
- In December, Santa Marta averages a daily high of 27.2°C and a low of 24.6°C, with about 21.7 mm of rain over roughly 4.4 rainy days.
- What is the air quality in Santa Marta in December?
- Santa Marta has a mean US Air Quality Index of about 33 in December.