You should expect the average temperature in Rosario right through November is 20. Through the month the highs are about 27 with lows about 16 celsius. We have put some more information here:
| Month | Degrees Celsius |
|---|---|
| Temperature | 20 |
| High Temperature | 27 |
| Low Temperature | 16 |
Useful Links: Rosario Weather: Average Weather & Yearly Climate