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Colombia
Sincelejo weather by month
Historical averages 2016–2025 · not a forecast
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When is the best time to visit Sincelejo?
For a warm holiday, the best week has been 10–16 January (Weather Index 83). Favourable start dates for a 7-day trip run from 19 December to 28 January. February is warmest (33°C), February is driest and December to March have the most sun.
- Warmest
- February 33°C
- Coolest
- September, October and November 30°C
- Driest
- February 13% rain-day chance
- Wettest
- September 96% rain-day chance
- Sunniest
- December to March 11 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 Sincelejo
Sincelejo 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 | 31.7 | 23.9 | 18.7 | 5.8 | 24.0 | 11.1 |
| February | 32.7 | 24.7 | 12.5 | 3.5 | 15.8 | 11.2 |
| March | 32.2 | 24.9 | 34.8 | 10.8 | 48.9 | 11.4 |
| April | 31.4 | 24.9 | 75.7 | 22.7 | 152.0 | 10.4 |
| May | 30.8 | 24.6 | 91.6 | 28.4 | 257.1 | 9.0 |
| June | 30.7 | 24.2 | 90.7 | 27.2 | 230.1 | 9.2 |
| July | 31.1 | 24.3 | 85.2 | 26.4 | 212.8 | 9.6 |
| August | 30.7 | 24.2 | 89.0 | 27.6 | 206.1 | 9.8 |
| September | 30.3 | 24.0 | 95.7 | 28.7 | 217.1 | 9.3 |
| October | 30.1 | 23.7 | 90.3 | 28.0 | 224.5 | 9.3 |
| November | 29.9 | 23.8 | 89.0 | 26.7 | 194.3 | 9.5 |
| December | 31.0 | 23.9 | 46.8 | 14.5 | 57.2 | 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.