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Colombia
Santa Marta weather by month
Historical averages 2016–2025 · not a forecast
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When is the best time to visit Santa Marta?
For a warm holiday, the best week has been 25–31 January (Weather Index 93). Favourable start dates for a 7-day trip run from 27 December to 4 March. March to September are warmest (30°C), February is driest and March has the most sun.
- Warmest
- March to September 30°C
- Coolest
- October to February 29°C
- Driest
- February 4% rain-day chance
- Wettest
- October 85% rain-day chance
- Sunniest
- March 12 hours a day
A rain day has 1 mm or more, snow included, so a short shower counts. Monthly averages below give the amounts.
Monthly averages in Santa Marta
Santa Marta historical monthly estimates, 2016–2025. Temperatures and sunshine are daily averages.
| Month | High (°C) | Low (°C) | Rain-day chance (%) | Expected rain days | Precipitation (mm/month) | Sunshine (hours/day) |
|---|---|---|---|---|---|---|
| January | 29.2 | 26.3 | 9.7 | 3.0 | 13.9 | 11.1 |
| February | 29.5 | 26.4 | 4.3 | 1.2 | 7.4 | 11.5 |
| March | 29.6 | 26.8 | 14.2 | 4.4 | 24.9 | 11.7 |
| April | 29.6 | 27.0 | 47.3 | 14.2 | 109.6 | 11.1 |
| May | 29.7 | 26.9 | 74.5 | 23.1 | 232.4 | 10.2 |
| June | 29.8 | 26.9 | 74.3 | 22.3 | 240.6 | 10.0 |
| July | 29.9 | 27.3 | 55.8 | 17.3 | 151.0 | 10.6 |
| August | 29.8 | 27.0 | 65.8 | 20.4 | 192.3 | 10.3 |
| September | 29.5 | 26.5 | 80.3 | 24.1 | 234.2 | 10.1 |
| October | 29.2 | 26.1 | 84.8 | 26.3 | 329.0 | 9.5 |
| November | 29.1 | 26.2 | 72.7 | 21.8 | 251.5 | 9.7 |
| December | 29.5 | 26.8 | 23.2 | 7.2 | 37.4 | 10.8 |
Each month averages its own days. Precipitation includes snow. About the data
Sources
Open-Meteo · 1 Jan 2016 – 31 Dec 2025
- Open-Meteo Historical Weather API
- Local days, 2016–2025, every year weighted equally. Each weekly chart averages its own seven days, without smoothing.
- Shading shows the 10th–90th percentile of past days, not forecast confidence.
- A rain day has at least 1 mm, snow included. The last weekly period has eight days.
- Wind is the average daytime (10:00–18:00) maximum, not gusts. Daylight is calculated from latitude. Missing readings stay blank.
- Mugginess (dew point) comes from the original daily summaries, on UTC days.
- The live two-week forecast comes from the Open-Meteo Weather Forecast API. The Weather Index does not use it.