Mar del Plata weather in July
Temperature, sea and sunshine in July: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in July
Fair
Best time to visit: October – April
What is the weather like in Mar del Plata in July?
In July, Mar del Plata is cool: daytime highs average 12 °C, and nights cool down to about 6 °C. The sea averages 11.1 °C – swimming is only for the hardy. The sun is scarce, with only about 3 hours a day. Rain falls on about 7 days, adding up to 59 mm. All in all, July is a so-so month for a holiday in Mar del Plata.
July compared
How the weather changes from June to August. Tap a month to open it.
More details for July
- Daylight
- 9 h 45 min08:04 – 17:48
- UV index
- 2 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 24 km/haverage daily peakAll months
- Cloud cover
- 60 %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 %40 %
- Sunshineweight 20 %0 %
- Few rainy daysweight 30 %80 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in July
- A jumper for the evenings
Mar del Plata in July: quick answers
Is Mar del Plata hot in July?
No. In July, Mar del Plata is cool: daytime highs average 12 °C and nights drop to about 6 °C.
Can you swim in Mar del Plata in July?
Only if you don't mind cold water: in July the sea averages just 11.1 °C. Comfortable swimming is possible from February to March.
Does it rain much in Mar del Plata in July?
Rain falls on about 7 days, adding up to 59 mm.
Mar del Plata month by month
The whole year in Mar del PlataAll destinations: ArgentinaWhere to go in JulySea temperature in July
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