Rosario

What is the climate like in Rosario?

Rosario is comfortable to visit year-round; trip comfort peaks in September (7.6/10). Rosario is warmest in January, when daily highs average 88°F (31°C), and coolest in July, when lows fall to about 44°F (7°C). The wettest month is typically April and the driest is June; the year sees roughly 34 in (858 mm) of precipitation.

• Best time to visitYear-round — comfort peaks in September (7.6/10)
• Warmest monthJanuary — average high 88°F (31°C)
• Coolest monthJuly — average low 44°F (7°C)
• Wettest monthApril (4.6 in (117 mm))
• Driest monthJune (0.8 in (21 mm))
• Annual precipitation34 in (858 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromRosario, 14 km away (1965-2025)