- Temperature
- 9–28°C
Updated July 2026 · Sources cited: holiday-weather.com, greeka.com
Good to know
Good to Know
- Best for beach/outdoor activities: May through September with warmest, driest conditions from June–August (though very crowded July–August)
- Ideal for fewer crowds: May, June, and September offer warm weather with lower tourist numbers
- Winter (Dec–Feb) is coolest and wettest but still features many sunny days; excellent for exploring cultural sites and experiencing local life
- Meltemi north winds blow frequently May–September, cooling the air but occasionally making sea conditions rough
- Sea temperature suitable for swimming: July–September, warmest in August at ~24–25°C (75–77°F)
Snowfall
- Occurrence
- Rare but possible
- Notes
- Occasional snow at sea level in February; documented in February 2004 and February 2008
Off Season
- Characteristics
- Lowest temperatures, frequent rain, windy conditions, minimal crowds
Months
- November
- December
- January
- February
Best Months
- Description
- Warm, sunny weather with minimal rainfall; shoulder seasons with fewer crowds
Primary
- May
- June
- September
Peak Season
- Characteristics
- Hottest temperatures (29–30°C (86°F)), driest conditions, peak tourist season
Months
- July
- August
Worst Months
- Description
- Coolest temperatures, highest rainfall, shortest daylight hours
Primary
- November
- December
- January
- February
Seasonal Notes
- Meltemi Wind
- Northern wind from May onward; can make air feel cooler and sea rough, but provides relief from extreme heat
Rainfall Overview
- Peak Month
- January
- Summer Rainfall Mm
- near 0
- Peak Month Rainfall Mm
- 114
Driest Months
- June
- July
- August
Wettest Months
- December
- January
Temperature Overview
Coldest Month
- Month
- January
- Average Low Celsius
- 9
- Average High Celsius
- 14
- Average Low Fahrenheit
- 48
- Average High Fahrenheit
- 57
Warmest Month
- Month
- August
- Average Low Celsius
- 22
- Average High Celsius
- 28
- Average Low Fahrenheit
- 72
- Average High Fahrenheit
- 82
AI-generated estimateData refreshed July 2026
Sources cited for this category
These are the sources cited in this climate & weather research for this city. Individual figures may not each trace to one of them.
More About Santorini
Data last updated July 2026 · Verify anything important.