The best time to go to Aquileia is generally from late spring to early autumn, specifically from May to September, when the weather is most pleasant for exploring the town's historical sites.May and June offer warm, sunny days without the intense heat of mid-summer, making it ideal for comfortably walking around the archaeological park and visiting the Basilica. The gardens are in full bloom, and there are typically fewer crowds than in peak season. This period is particularly good for couples or solo travellers who enjoy leisurely sightseeing and outdoor activities without feeling rushed.July and August are the warmest months, great for those who enjoy hot weather and wish to combine their historical exploration with trips to nearby coastal areas like Grado, which is just a short drive away. While it can be quite warm, many outdoor cafes and gelato shops are open, offering refreshing breaks. Families often find these months convenient due to school holidays, and they can easily split their time between Aquileia's ancient wonders and the beaches.September offers a lovely balance, with the summer heat beginning to subside, but the weather remaining warm and pleasant. The crowds also thin out after the peak holiday season.