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Mar del Plata in July sees moderate daytime temperatures of 13°C (55°F) and nighttime lows of 6°C (43°F). Moderate rainfall is typical, with around 55 mm (2.2 in) for the month.
If you're looking for dry conditions and comfortable temperatures, July may not be the ideal month to visit Mar del Plata. Our weather planner can help you explore destinations with more pleasant weather conditions.
Pick a month to see the average temperature, rainfall and sunshine in Mar del Plata - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Mar del Plata typically stay consistent throughout July, with daily highs averaging around 13°C (55°F). Nights are cold, with lows around 4°C (39°F).
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Mar del Plata spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
The extremes listed below come from historical weather data collected in Mar del Plata from 1980 through 2026.
Find out more about the weather in Argentina and which places have the best travel conditions in this month. See all of Argentina in July →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Pack for changing conditions in Mar del Plata in July. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Rain gear is recommended, you can expect wet weather on multiple days. Expect water temperatures of around 11°C (52°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. Bring sunglasses since you'll have some sunny periods throughout the month
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Mar del Plata climate overview or explore weather in Argentina.
Where to go in July - average daytime high across popular destinations.
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