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When is the Best Time to Explore Rosario?

If you're wondering when is the best time of year to visit Rosario, you might find this info about seasonal weather helpful when planning your trip. The warmest months in Rosario are typically June and May, whereas the coldest months are usually January and December. The months with the most rain are July and September, whereas February and January have the least.

Here's an overview on how much rain you can expect and what the temperatures are going to be like:

• From January to March, the average daytime temperature is 23°C and at night it is 3°C. Seasonal average rainfall is 27 mm.
• If you visit between April and June, you can expect an average temp of 30°C during the day and 10°C at night. Average rainfall during this season is 78 mm.
• The daytime average temp from July to September is 28°C and the night-time average is 14°C. Average precipitation for this season is 441 mm.
• Between October and December, the average temp during the day is 24°C and 4°C at night. Seasonal average rain is 76 mm.
• The annual rainfall average in Rosario is 623 mm.