Weather in Santorini in October

During October, Santorini experiences mild and pleasant weather, making it a wonderful time for outdoor exploration. The cooler autumn climate is perfect for walking and enjoying the beautiful landscapes. October offers a delightful blend of sunshine, moderate temperatures, and reduced humidity. While rainfall becomes more frequent compared to previous months, there is still plenty of sunshine, so the weather remains generally agreeable for outdoor activities.

October Climate Overview

• Average Temperature: 19°C to 24°C
• Rainfall: Approximately 50mm
• Sunshine Hours: Around 7 hours per day
• Sea Temperature: 23°C
• Humidity: Approximately 65%
• Wind Speed: Moderate breeze averaging 16 km/h

What to Expect in October

Daytime Conditions

During the day, temperatures are pleasantly warm, reaching highs of around 24°C, with lower humidity making it comfortable to be outdoors. The sun is bright but not too intense, offering ideal conditions for sightseeing and exploring the island’s diverse landscapes.

Rainfall Patterns

Rain showers occur sporadically in October, but they are typically light and brief. Rain is not a dominant aspect of the October climate, so it seldom disrupts travel plans or outdoor activities.

Evening Conditions

As night falls, temperatures cool down to about 19°C, offering a refreshing change from the warmer daytime conditions. Light breezes can make evenings feel cooler, so having a light jacket handy can provide extra comfort for evening strolls or dining under the stars.

Best Activities in Santorini in October

• Outdoor Activities: Ideal for hiking along the island’s trails, exploring archaeological sites, and visiting local markets.
• Seasonal Highlights: Participate in the grape harvest season, which typically takes place in October.
• Water-based or Nature-based Activities: Enjoy swimming or sailing, as the sea temperature remains warm enough for water activities.

What to Pack for October

• Appropriate clothing for daytime and evening temperatures
• Protection from sun or rain (hat, sunscreen, umbrella, etc.)
• Footwear suitable for local terrain (e.g., walking, hiking, city streets)
• Reusable water bottle