The best time to go to Bernardo De Irigoyen depends on whether you prefer warm weather for outdoor activities or cooler temperatures for exploring.
For those who enjoy warm weather, late spring (November) through early autumn (March) is ideal. During these months, the temperatures are pleasantly high, superb for enjoying the countryside and any outdoor events. This period also generally sees less rainfall, making it easier to plan activities without interruption.
If you prefer cooler, milder weather, then late autumn (April) through early spring (October) would be more suitable. These months offer comfortable temperatures for walking and exploring the local area without the intensity of the summer heat.