Santorini, Greece experiences a Mediterranean climate with hot, dry summers and mild, wet winters. The monthly forecast for Santorini varies significantly throughout the year, with temperatures ranging from 10°C (50°F) in winter to nearly 30°C (86°F) in summer. Rainfall is concentrated in the winter months, while summer sees almost no precipitation. This guide provides a detailed monthly breakdown of weather patterns, temperatures, and travel insights for Santorini.
What Are the Average Temperatures in Santorini?
Santorini’s temperature varies considerably throughout the year. Here’s a monthly breakdown of average high and low temperatures:
| Month | Average High (°C/°F) | Average Low (°C/°F) |
|---|---|---|
| January | 14.2°C / 57.6°F | 10.2°C / 50.3°F |
| February | 14.4°C / 58°F | 10.1°C / 50.2°F |
| March | 16°C / 61°F | 11.4°C / 52.5°F |
| April | 18.8°C / 65.8°F | 13.4°C / 56.1°F |
| May | 23°C / 73.4°F | 17°C / 62.6°F |
| June | 27.5°C / 81.5°F | 21.1°C / 70°F |
| July | 29.6°C / 85.3°F | 23.5°C / 74.3°F |
| August | 29.6°C / 85.3°F | 23.7°C / 74.7°F |
| September | 26.7°C / 80.1°F | 21°C / 69.8°F |
| October | 22.9°C / 73.2°F | 17.7°C / 63.9°F |
| November | 19.1°C / 66.4°F | 14.5°C / 58.1°F |
| December | 15.6°C / 60.1°F | 11.7°C / 53.1°F |
How Much Rainfall Does Santorini Receive?
Rainfall in Santorini is concentrated in the winter months, with summer being almost completely dry. Here’s the monthly precipitation data:
| Month | Average Precipitation (mm/in) | Number of Rainy Days |
|---|---|---|
| January | 115 mm / 4.5 in | 9 |
| February | 80 mm / 3.1 in | 7 |
| March | 65 mm / 2.6 in | 6 |
| April | 30 mm / 1.2 in | 3 |
| May | 15 mm / 0.6 in | 2 |
| June | 5 mm / 0.2 in | 1 |
| July | 1 mm / 0 in | 0 |
| August | 1 mm / 0 in | 0 |
| September | 15 mm / 0.6 in | 1 |
| October | 60 mm / 2.4 in | 3 |
| November | 70 mm / 2.8 in | 5 |
| December | 100 mm / 3.9 in | 9 |
What Is the Best Time to Visit Santorini?
The best time to visit Santorini depends on your preferences, but generally, May, June, and September are considered ideal. These months offer:
- Pleasant temperatures (17-27°C / 62-81°F)
- Low rainfall
- Fewer crowds compared to peak summer months
- Most tourist facilities are open
July and August are the hottest and busiest months, which can be perfect for beach lovers but may be too crowded for some visitors.
How Does the Weather Affect Activities in Santorini?
The weather in Santorini greatly influences the types of activities available:
- Summer (June-August): Ideal for beach activities, swimming, and water sports. However, it can be very hot and crowded.
- Spring and Fall (April-May, September-October): Perfect for sightseeing, hiking, and outdoor activities. The weather is pleasant and crowds are smaller.
- Winter (November-March): Better for indoor activities and sightseeing. Some facilities may be closed, but you’ll experience a more authentic, less touristy Santorini.
What Should You Pack for Each Season in Santorini?
Packing for Santorini varies by season:
- Summer:
- Light, breathable clothing
- Swimwear
- Sun protection (hat, sunglasses, sunscreen)
-
Light jacket for evenings
-
Spring/Fall:
- Mix of light and warm clothing for layering
- Light rain jacket
-
Comfortable walking shoes
-
Winter:
- Warm clothing (sweaters, jackets)
- Waterproof coat
- Umbrella
- Warm, waterproof shoes
How Does the Monthly Forecast Affect Tourism in Santorini?
The monthly forecast significantly impacts tourism in Santorini:
- Peak Season (July-August):
- Highest tourist numbers
- Most expensive accommodation and flights
- All facilities open
-
Hot weather ideal for beach activities
-
Shoulder Season (April-June, September-October):
- Moderate tourist numbers
- More affordable than peak season
- Pleasant weather for various activities
-
Most facilities open
-
Off-Season (November-March):
- Lowest tourist numbers
- Most affordable prices
- Some facilities closed
- Cooler, wetter weather
What Are the Unique Weather Phenomena in Santorini?
Santorini experiences some unique weather phenomena:
-
Meltemi Winds: Strong, dry north winds that occur mainly in July and August. They can provide relief from the heat but may affect sea conditions.
-
Caldera Microclimate: The unique geography of Santorini’s caldera can create localized weather patterns, sometimes different from the rest of the island.
-
Saharan Dust: Occasionally, southerly winds can bring dust from the Sahara desert, creating hazy conditions.
How Does the Monthly Forecast Impact Water Activities?
The monthly forecast in Santorini greatly affects water activities:
- Swimming: Generally comfortable from May to October. Sea temperatures range from 20°C (68°F) in May to 25°C (77°F) in August.
- Water Sports: Best from June to September when winds are favorable and water is warmest.
- Boat Tours: Available year-round but most enjoyable from April to October. Winter months may see cancellations due to rough seas.
What Are the Key Considerations for Each Month in Santorini?
Here’s a quick overview of key considerations for each month:
- January-February: Coldest and wettest months. Many facilities closed. Good for budget travelers and those seeking solitude.
- March-April: Weather improving. Easter celebrations. Good for sightseeing and hiking.
- May-June: Excellent weather. Most facilities open. Ideal for all activities before peak crowds arrive.
- July-August: Hottest and busiest. Perfect for beach lovers. Advance bookings essential.
- September-October: Still warm but less crowded. Ideal for various activities.
- November-December: Cooling down with increasing rain. Christmas and New Year celebrations. Off-season tranquility.
The monthly forecast for Santorini, Greece offers a diverse range of experiences throughout the year. Whether you’re seeking sun-soaked beaches, cultural exploration, or peaceful off-season travels, understanding the monthly weather patterns will help you plan the perfect Santorini getaway.