I recommend allocating a minimum of three days in Nice to really soak it all in. It’s the perfect timeframe to explore the must-sees and hidden gems, visit one of the city’s art museums, catch some rays on the beach, and try all those delicious local eats. However, if you're looking to museum-hop, spend a little extra time working on that tan, or explore more destinations along the French Riviera, you'll definitely need to add a few days to your itinerary.