May, June and September: temperatures hover around 18–24°C, crowds are manageable, and the gardens and squares are at their best without peak-season…
April and October: prices drop 20–30%, weather is still workable (10–15°C average), and you'll dodge the bulk of tourists. April…
If you can manage one trip, aim for late May or early September – best balance of pleasant weather, low crowds, and fai…