Weather in Santorini in May

In May, Santorini experiences mild spring weather that is ideal for outdoor activities. Days are generally warm with a pleasant breeze, and the island sees plenty of sunshine. Rain is rare, making May a favourable time for those looking to explore the island’s unique landscapes and enjoy local seasonal highlights.

May Climate Overview

• Average Temperature: 18°C to 24°C
• Rainfall: Around 11mm
• Sunshine Hours: Approximately 10 hours per day
• Sea Temperature: Around 19°C
• Humidity: Moderate, around 60%
• Wind Speed: Gentle breeze, 15 km/h average

What to Expect in May

Daytime Conditions

During the day, temperatures climb to comfortable highs around 24°C. This, coupled with low humidity and generous sunshine, creates a warm and pleasant environment. Sun exposure can be significant, so protection is recommended.

Rainfall Patterns

Rainfall in May is minimal, with only a few scattered showers expected. Hence, the risk of rain disrupting outdoor plans is quite low, making it easy to enjoy sightseeing without the need for heavy rain gear.

Evening Conditions

As evening approaches, temperatures cool down to around 18°C. The air remains comfortable for outdoor dining or leisurely walks, with mild breezes adding to the refreshing evening atmosphere.

Best Activities in Santorini in May

• Outdoor Activities: May is perfect for hiking, exploring the island’s historic sites, and visiting local markets.
• Seasonal Highlights: The islands flourish with vibrant wildflowers, adding colour to landscape views.
• Water-based or Nature-based Activities: Snorkelling and boat tours can be enjoyed, given the pleasant sea temperature.

What to Pack for May

• Light, breathable clothing for daytime and a light jacket for cooler evenings
• Sun protection like hats, sunscreen, and sunglasses
• Sturdy footwear suitable for walking and hiking excursions
• A reusable water bottle to stay hydrated