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July in Rosario averages 17°C (63°F) during the day and 6°C (43°F) at night. With just 37 mm (1.5 in) of rainfall on average, it doesn't get much drier than this.
Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, August and September typically offer the best weather for Rosario.
Pick a month to see the average temperature, rainfall and sunshine in Rosario - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Rosario typically stay consistent throughout July, with daily highs averaging around 17°C (63°F). Nights are cold, with lows typically ranging from 4°C (39°F) to 6°C (43°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 Rosario spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
According to our 50 years of weather records for Rosario, the following extremes were recorded between 1976 and 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).
Pleasant temperatures in July mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Pack a light rain jacket or compact umbrella for occasional showers. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Rosario climate overview or explore weather in Argentina.
Where to go in July - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
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