Climate averages 1991–2020
Santa Marta weather
in August.
A hot, moderately wet month: the joint 2nd warmest and the 7th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a hot month in Santa Marta: daytime highs average 28.3°C and nights cool to about 25.6°C. By daytime temperature it is the joint 2nd warmest of the 12 months.
Expect about 84 mm of rain on roughly 12 days, which makes August a moderately wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 30 min on an average August day.
The nearest other city in this atlas is Ciénaga (26 km away). In August its highs average 29.2°C, 0.8°C warmer than Santa Marta, with 225 mm of rain.
Among the 46 cities listed in Colombia, Santa Marta ranks 22nd of 46 for the warmest August highs and 14th of 46 for the driest August (rainfall, lowest first). The mean August high of those 46 cities is 26.5°C; Santa Marta is 1.8°C warmer than that mean.
From August to September, average highs stay level at 28.3°C, and monthly rainfall rises from 84 mm to 140 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
Santa Marta climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 26.9°C24.3°C | 24.3°C | 3.8 | 0.3 | 11.512 h |
| February | 27.0°C24.3°C | 24.3°C | 2.8 | 0.6 | 11.812 h |
| March | 27.2°C24.5°C | 24.5°C | 5.4 | 1.1 | 12.112 h |
| April | 27.7°C25.1°C | 25.1°C | 33 | 3.3 | 12.412 h |
| May | 28.1°C25.3°C | 25.3°C | 128 | 10.9 | 12.613 h |
| June | 28.4°C25.6°C | 25.6°C | 95 | 11.1 | 12.813 h |
| July | 28.1°C25.6°C | 25.6°C | 78 | 8.4 | 12.713 h |
| August, selected | 28.3°C25.6°C | 25.6°C | 84 | 11.9 | 12.512 h |
| September | 28.3°C25.2°C | 25.2°C | 140 | 16.4 | 12.212 h |
| October | 27.9°C24.8°C | 24.8°C | 199 | 19.8 | 11.912 h |
| November | 27.5°C25.0°C | 25.0°C | 129 | 12.1 | 11.612 h |
| December | 27.2°C24.9°C | 24.9°C | 22 | 2.7 | 11.511 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
- Ciénaga in AugustColombia · 26 kmHigh 29.2°C · Low 24.9°C · 225 mm rain
- Barranquilla in AugustColombia · 71 kmHigh 29.3°C · Low 26.2°C · 156 mm rain
- Soledad in AugustColombia · 72 kmHigh 29.8°C · Low 25.9°C · 156 mm rain
- Sabanalarga in AugustColombia · 104 kmHigh 30.6°C · Low 24.6°C · 197 mm rain
- Valledupar in AugustColombia · 134 kmHigh 29.2°C · Low 22.8°C · 147 mm rain
- Riohacha in AugustColombia · 144 kmHigh 32.7°C · Low 25.4°C · 97 mm rain
- Cartagena in AugustColombia · 170 kmHigh 30.1°C · Low 25.1°C · 186 mm rain
- Maicao in AugustColombia · 214 kmHigh 32.7°C · Low 25.5°C · 92 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 Santa Marta) is explained once on the Santa Marta year overview and on the Sources, method and limits page.