Spring (March–May): Average 10.5–16.9°C, mild and comfortable climate, abundant sunshine, moderate rainfall. Common activities: Coastal walks, visiting the Monaco Grand Prix circuit, exploring the Monte-Carlo Casino. Suggested clothing: Light jacket, long-sleeved shirts, comfortable shoes.
Summer (June–August): Average 22.2–25.7°C, hot and dry, strong sunshine, little rainfall. Common activities: Swimming, sunbathing, water sports, night sightseeing. Suggested clothing: Light and breathable clothing, sun hat, sunglasses, sunscreen.
Autumn (September–November): Average 12.0–20.4°C, pleasant climate, large temperature difference between morning and evening, increasing rainfall. Common activities: Visiting museums, art galleries, enjoying gourmet food, appreciating autumn scenery. Suggested clothing: Comfortable long-sleeved shirts, light jacket, comfortable shoes.
Winter (December–February): Average 7.2–8.7°C, mild climate, occasional rain, relatively humid and cold. Common activities: Indoor activities, visiting the aquarium, enjoying gourmet food. Suggested clothing: Warm jacket, sweater, scarf, hat, gloves.