Weather in Santorini in April

April in Santorini is marked by a mild and pleasant climate, ideal for explorations and enjoying the beauty of the island. As spring unfolds, temperatures are comfortable, allowing for outdoor activities without the intensity of summer heat. Travellers can expect mostly dry weather with abundant sunshine, making it a perfect time to experience Santorini’s natural landscapes and cultural sites.

April Climate Overview

• Average Temperature: 14°C to 19°C
• Rainfall: 22 mm over 5 days
• Sunshine Hours: 10 hours per day
• Sea Temperature: 17°C
• Humidity: 68%
• Wind Speed: 20 km/h

What to Expect in April

Daytime Conditions

The daytime temperatures in Santorini during April usually range from 14°C to 19°C. The sun shines brightly for most of the day, with minimal cloud cover. Humidity is moderate, making the air feel fresh and invigorating—perfect for outdoor sightseeing or leisure activities.

Rainfall Patterns

Rainfall in April is minimal, typically occurring over just a few days with occasional light showers. These brief rainfalls are unlikely to disrupt plans and are often followed by clear skies, providing ample opportunities for outdoor adventures.

Evening Conditions

Evenings in Santorini during April can be cool and refreshing, with temperatures dropping slightly. A gentle breeze often accompanies the night air, creating a comfortable atmosphere for evening strolls or dining outdoors.

Best Activities in Santorini in April

• Outdoor Activities: April’s weather is perfect for hiking along Santorini’s caldera trails, exploring ancient ruins, and enjoying the blooming landscapes.
• Seasonal Highlights: In spring, the island’s flora begins to flourish, and visitors can enjoy fields of wildflowers against the backdrop of the Aegean Sea.
• Water-based or Nature-based Activities: While the sea may still be cold, boat tours and coastal walks offer stunning views of the clear water and rugged coastline.

What to Pack for April

• Light layers for daytime warmth and evening coolness
• Protection from sun (hat, sunglasses, sunscreen) and potential rain (light waterproof jacket)
• Comfortable footwear suitable for walking and exploring rough terrain
• Reusable water bottle to stay hydrated