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Colombia
Cartagena weather by month
Historical averages 2016–2025 · not a forecast
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When is the best time to visit Cartagena?
For a warm holiday, the best week has been 21–27 February (Weather Index 88). Favourable start dates for a 7-day trip run from 8 January to 3 March. February and March are warmest (32°C), February is driest and March has the most sun.
- Warmest
- February and March 32°C
- Coolest
- June and August to November 30°C
- Driest
- February 4% rain-day chance
- Wettest
- September 94% 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 Cartagena
Cartagena 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 | 31.2 | 25.5 | 9.0 | 2.8 | 11.7 | 11.1 |
| February | 31.5 | 25.6 | 4.3 | 1.2 | 4.6 | 11.3 |
| March | 31.6 | 25.8 | 10.6 | 3.3 | 12.8 | 11.6 |
| April | 31.1 | 26.2 | 46.7 | 14.0 | 70.1 | 11.2 |
| May | 30.5 | 26.5 | 79.0 | 24.5 | 175.8 | 10.0 |
| June | 30.3 | 26.3 | 86.0 | 25.8 | 212.7 | 9.8 |
| July | 30.6 | 26.5 | 80.6 | 25.0 | 158.5 | 10.3 |
| August | 30.3 | 26.4 | 89.4 | 27.7 | 190.6 | 10.0 |
| September | 30.0 | 26.2 | 93.7 | 28.1 | 194.7 | 9.8 |
| October | 29.7 | 25.8 | 91.6 | 28.4 | 242.0 | 9.3 |
| November | 29.6 | 25.8 | 82.0 | 24.6 | 206.1 | 9.6 |
| December | 30.6 | 26.0 | 26.5 | 8.2 | 31.3 | 11.0 |
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.