Mar del Plata weather in August
Temperature, sea and sunshine in August: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in August
Fair
Best time to visit: October – April
What is the weather like in Mar del Plata in August?
In August, Mar del Plata is cool: daytime highs average 14 °C, and nights cool down to about 7 °C. The sea averages 10.5 °C – swimming is only for the hardy. The sun is scarce, with only about 4 hours a day. Rain falls on about 7 days, adding up to 63 mm. All in all, August is a so-so month for a holiday in Mar del Plata.
August compared
How the weather changes from July to September. Tap a month to open it.
| JulyJul | AugustAug | SeptemberSep | |
|---|---|---|---|
| Score | 44 | 53 | 59 |
| Day | 12° | 14° | 15° |
| Night | 6° | 7° | 8° |
| Sea | 11° | 11° | 11° |
| Sun | 3 h | 4 h | 3 h |
| Rain days | 7 | 7 | 7 |
More details for August
- Daylight
- 10 h 37 min07:37 – 18:14
- UV index
- 3 · moderateclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 25 km/haverage daily peakAll months
- Cloud cover
- 58 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Time zone
- UTC−3America/Argentina/Buenos_Aires
How the score comes together
- Temperatureweight 50 %55 %
- Sunshineweight 20 %12 %
- Few rainy daysweight 30 %78 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in August
- Sunscreen
- A jumper for the evenings
Mar del Plata in August: quick answers
Is Mar del Plata hot in August?
No. In August, Mar del Plata is cool: daytime highs average 14 °C and nights drop to about 7 °C.
Can you swim in Mar del Plata in August?
Only if you don't mind cold water: in August the sea averages just 10.5 °C. Comfortable swimming is possible from February to March.
Does it rain much in Mar del Plata in August?
Rain falls on about 7 days, adding up to 63 mm.
Mar del Plata month by month
The whole year in Mar del PlataAll destinations: ArgentinaWhere to go in AugustSea temperature in August
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences