Climate averages 1991–2020
Cartagena weather
in August.
A hot, very wet month: the joint 8th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a hot month in Cartagena: daytime highs average 30.1°C and nights cool to about 25.1°C. By daytime temperature it is the joint 8th warmest of the 12 months.
Expect about 186 mm of rain on roughly 28 days, which makes August a very wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 28 min on an average August day.
The nearest other city in this atlas is Sabanalarga (68 km away). In August its highs average 30.6°C, about as warm as Cartagena, with 197 mm of rain.
Among the 46 cities listed in Colombia, Cartagena ranks joint 11th of 46 for the warmest August highs and 31st of 46 for the driest August (rainfall, lowest first). The mean August high of those 46 cities is 26.5°C; Cartagena is 3.6°C warmer than that mean.
From August to September, average highs fall by 0.6°C to 29.5°C, and monthly rainfall rises from 186 mm to 210 mm.
The annual picture
August 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
Cartagena climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 31.9°C24.5°C | 24.5°C | 9.0 | 2.3 | 11.612 h |
| February | 33.4°C25.0°C | 25.0°C | 6.3 | 1.7 | 11.812 h |
| March | 33.4°C25.2°C | 25.2°C | 19 | 4.4 | 12.112 h |
| April | 32.1°C25.4°C | 25.4°C | 75 | 15.6 | 12.412 h |
| May | 30.3°C25.2°C | 25.2°C | 181 | 26.1 | 12.613 h |
| June | 30.2°C25.2°C | 25.2°C | 176 | 25.4 | 12.713 h |
| July | 30.3°C25.1°C | 25.1°C | 157 | 25.0 | 12.713 h |
| August, selected | 30.1°C25.1°C | 25.1°C | 186 | 27.6 | 12.512 h |
| September | 29.5°C24.8°C | 24.8°C | 210 | 28.4 | 12.212 h |
| October | 29.1°C24.4°C | 24.4°C | 265 | 29.2 | 11.912 h |
| November | 29.1°C24.3°C | 24.3°C | 201 | 24.4 | 11.712 h |
| December | 30.1°C24.5°C | 24.5°C | 61 | 10.8 | 11.512 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
August in nearby cities
- Sabanalarga in AugustColombia · 68 kmHigh 30.6°C · Low 24.6°C · 197 mm rain
- Soledad in AugustColombia · 98 kmHigh 29.8°C · Low 25.9°C · 156 mm rain
- Barranquilla in AugustColombia · 100 kmHigh 29.3°C · Low 26.2°C · 156 mm rain
- Sincelejo in AugustColombia · 122 kmHigh 29.2°C · Low 22.9°C · 252 mm rain
- Magangué in AugustColombia · 152 kmHigh 30.5°C · Low 24.8°C · 231 mm rain
- Ciénaga in AugustColombia · 152 kmHigh 29.2°C · Low 24.9°C · 225 mm rain
- Santa Marta in AugustColombia · 170 kmHigh 28.3°C · Low 25.6°C · 84 mm rain
- Cereté in AugustColombia · 171 kmHigh 30.2°C · Low 23.6°C · 236 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 Cartagena) is explained once on the Cartagena year overview and on the Sources, method and limits page.