Climate averages 1991–2020
Sincelejo weather
in December.
A hot, wet month: the joint 8th warmest and the 4th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a hot month in Sincelejo: daytime highs average 29.1°C and nights cool to about 22.2°C. By daytime temperature it is the joint 8th warmest of the 12 months.
Expect about 92 mm of rain on roughly 19 days, which makes December a wet month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 35 min on an average December day.
The nearest other city in this atlas is Cereté (64 km away). In December its highs average 29.8°C, 0.8°C warmer than Sincelejo, with 89 mm of rain.
Among the 46 cities listed in Colombia, Sincelejo ranks joint 12th of 46 for the warmest December highs and 21st of 46 for the driest December (rainfall, lowest first). The mean December high of those 46 cities is 25.7°C; Sincelejo is 3.3°C warmer than that mean.
From December to January, average highs rise by 1.7°C to 30.8°C, and monthly rainfall falls from 92 mm to 30 mm.
The annual picture
December in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Sincelejo climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 30.8°C22.3°C | 22.3°C | 30 | 7.9 | 11.612 h |
| February | 32.5°C23.2°C | 23.2°C | 34 | 7.9 | 11.812 h |
| March | 32.0°C23.6°C | 23.6°C | 74 | 15.0 | 12.112 h |
| April | 30.2°C23.3°C | 23.3°C | 180 | 25.2 | 12.312 h |
| May | 29.1°C23.1°C | 23.1°C | 292 | 29.4 | 12.513 h |
| June | 29.3°C23.0°C | 23.0°C | 267 | 28.1 | 12.713 h |
| July | 29.4°C22.8°C | 22.8°C | 244 | 27.5 | 12.613 h |
| August | 29.2°C22.9°C | 22.9°C | 252 | 28.3 | 12.412 h |
| September | 28.8°C22.7°C | 22.7°C | 250 | 29.2 | 12.212 h |
| October | 28.4°C22.4°C | 22.4°C | 249 | 29.6 | 11.912 h |
| November | 28.3°C22.3°C | 22.3°C | 189 | 27.3 | 11.712 h |
| December, selected | 29.1°C22.2°C | 22.2°C | 92 | 18.6 | 11.612 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
December in nearby cities
- Cereté in DecemberColombia · 64 kmHigh 29.8°C · Low 23.3°C · 89 mm rain
- Magangué in DecemberColombia · 70 kmHigh 30.0°C · Low 24.5°C · 74 mm rain
- Montería in DecemberColombia · 82 kmHigh 30.0°C · Low 23.2°C · 103 mm rain
- Cartagena in DecemberColombia · 122 kmHigh 30.1°C · Low 24.5°C · 61 mm rain
- Montelíbano in DecemberColombia · 147 kmHigh 29.6°C · Low 23.2°C · 96 mm rain
- Sabanalarga in DecemberColombia · 156 kmHigh 30.0°C · Low 23.8°C · 52 mm rain
- Soledad in DecemberColombia · 192 kmHigh 28.8°C · Low 25.5°C · 38 mm rain
- Barranquilla in DecemberColombia · 197 kmHigh 28.1°C · Low 25.8°C · 38 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Sincelejo) is explained once on the Sincelejo year overview and on the Sources, method and limits page.