Climate averages 1991–2020
Mar del Plata weather
in August.
A cool, moderately wet month: the 10th warmest and the joint 3rd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a cool month in Mar del Plata: daytime highs average 13.5°C and nights cool to about 6.6°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 60 mm of rain on roughly 7 days, which makes August a moderately wet month (the joint 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 40 min on an average August day.
The nearest other city in this atlas is Necochea (120 km away). In August its highs average 13.1°C, about as warm as Mar del Plata, with 57 mm of rain.
Among the 67 cities listed in Argentina, Mar del Plata ranks 62nd of 67 for the warmest August highs and joint 35th of 67 for the driest August (rainfall, lowest first). The mean August high of those 67 cities is 17.2°C; Mar del Plata is 3.7°C cooler than that mean.
From August to September, average highs rise by 1.2°C to 14.7°C, and monthly rainfall stays at 60 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
Mar del Plata climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 25.1°C16.7°C | 16.7°C | 77 | 8.3 | 14.514 h |
| February | 24.3°C16.8°C | 16.8°C | 77 | 7.5 | 13.514 h |
| March | 22.5°C15.5°C | 15.5°C | 72 | 8.1 | 12.412 h |
| April | 19.0°C12.5°C | 12.5°C | 77 | 8.6 | 11.111 h |
| May | 15.7°C9.9°C | 9.9°C | 49 | 6.8 | 10.110 h |
| June | 12.9°C7.1°C | 7.1°C | 60 | 6.9 | 9.610 h |
| July | 11.8°C5.8°C | 5.8°C | 54 | 7.0 | 9.810 h |
| August, selected | 13.5°C6.6°C | 6.6°C | 60 | 7.0 | 10.711 h |
| September | 14.7°C7.5°C | 7.5°C | 60 | 7.4 | 11.812 h |
| October | 17.3°C9.8°C | 9.8°C | 80 | 9.0 | 13.013 h |
| November | 20.5°C12.3°C | 12.3°C | 77 | 9.3 | 14.114 h |
| December | 23.7°C14.9°C | 14.9°C | 69 | 8.0 | 14.715 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
- Necochea in AugustArgentina · 120 kmHigh 13.1°C · Low 7.0°C · 57 mm rain
- Tandil in AugustArgentina · 158 kmHigh 14.1°C · Low 4.6°C · 51 mm rain
- Mar del Tuyú in AugustArgentina · 176 kmHigh 12.6°C · Low 8.6°C · 77 mm rain
- Olavarría in AugustArgentina · 273 kmHigh 14.7°C · Low 4.9°C · 54 mm rain
- San Vicente in AugustArgentina · 340 kmHigh 16.2°C · Low 7.1°C · 64 mm rain
- La Plata in AugustArgentina · 344 kmHigh 15.3°C · Low 8.5°C · 68 mm rain
- Berisso in AugustArgentina · 349 kmHigh 15.3°C · Low 8.8°C · 73 mm rain
- Ezeiza in AugustArgentina · 360 kmHigh 16.3°C · Low 7.4°C · 62 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 Mar del Plata) is explained once on the Mar del Plata year overview and on the Sources, method and limits page.