Greece Santorini Weather in July — Climate Guide
July in Santorini is very-high
July is very-high for Santorini.
Peak heat + crushing crowds + Korean summer break airfare spike. 5,000+ daily cruise passengers crush Fira + Oia midday.
Travel score
Santorini July Weather Stats
Avg High
29°C
Avg Low
22°C
Rainy Days
0
0mm total
Sunshine
13h
Daily avg
Humidity
50%
dry
UV Index
10
Very high
Wind
18 km/h
Gusts 48
Sea Temp
24°C
swimming peak
Crowds
Very busy
At attractions
July Sunrise & Sunset
Air Quality
PM2.5
14 μg/m³
PM10
25 μg/m³
Status
good
Feels-Like Temperature & Wind
Feels like
Daytime
30°C
Nighttime
22°C
Humidity and wind affect how the actual temperature feels.
Wind
18 km/h
Max gust 48 km/h
Activities Recommended for July
July Travel Pros & Cons
Pros
- Sea-temp 24°C
- 0 rain days
- 13h sunshine
- Korean summer break usable
Cons
- Crushing crowds (cruise + Korean break)
- Hotels 2x normal rates
- 29°C + Meltemi wind
- Airfare spike
July Events & Festivals
- Peak cruise season — 5,000+ daily passengers
- Korean summer break
Santorini in July — Full Picture
Peak heat + crushing crowds + Korean summer break airfare spike. 5,000+ daily cruise passengers crush Fira + Oia midday.
What to Wear & What to Pack
Peak summer + Meltemi wind. Light cotton + sun + windproof layer.
Packing Checklist
Seasonal Weather Overview
Spring (Mar·Apr·May)
18.7°C
12.7°C
5.7/mo
Summer (Jun·Jul·Aug)
Current28.3°C
21.3°C
0.3/mo
Autumn (Sep·Oct·Nov)
21.7°C
16°C
5/mo
Winter (Dec·Jan·Feb)
14.3°C
9.7°C
10.7/mo
Santorini Monthly Weather Comparison
| Month | High | Low | Rain | Sun | Humid | UV | Crowd | Price |
|---|---|---|---|---|---|---|---|---|
| 14° | 9° | 11d·75mm | 4h | 73% | 1 | Quiet | Low season | |
| 14° | 9° | 10d·65mm | 5h | 71% | 2 | Quiet | Low season | |
| 15° | 10° | 8d·55mm | 6h | 70% | 3 | Quiet | Shoulder | |
| April (Best) | 18° | 12° | 6d·30mm | 8h | 65% | 5 | Busy | Peak |
| May (Best) | 23° | 16° | 3d·15mm | 10h | 60% | 7 | Very busy | Peak |
| June (Best) | 27° | 20° | 1d·5mm | 12h | 55% | 9 | Very busy | Peak |
| 29° | 22° | 0d·0mm | 13h | 50% | 10 | Very busy | Peak | |
| 29° | 22° | 0d·0mm | 12h | 52% | 9 | Very busy | Peak | |
| September (Best) | 25° | 19° | 2d·15mm | 10h | 60% | 7 | Very busy | Peak |
| October (Best) | 22° | 16° | 5d·50mm | 7h | 65% | 4 | Busy | Shoulder |
| 18° | 13° | 8d·65mm | 5h | 70% | 3 | Quiet | Shoulder | |
| 15° | 11° | 11d·75mm | 4h | 73% | 2 | Quiet | Low season |
View Other Months
Santorini July Hotel Picks
Frequently Asked Questions
Is July a good time to visit Santorini?
Santorini in July is very-high. Tourist crowds are very busy and flight/hotel prices are peak.
What's the average temperature in Santorini in July?
Santorini July averages a high of 29°C and a low of 22°C.
Does it rain much in Santorini in July?
Santorini July averages 0mm of rainfall over about 0 rainy days.
What should I wear in Santorini in July?
Peak summer + Meltemi wind. Light cotton + sun + windproof layer.
What time are sunrise and sunset in Santorini in July?
Santorini July sunrise is 06:00 and sunset is 20:30, with 14h 30min of daylight.
What's the air quality like in Santorini in July?
Santorini July air quality (AQI) averages 42, rated Good. PM2.5 averages 14μg/m³.
What activities are recommended in Santorini in July?
In July, Santorini is great for Caldera cruise (escape crowds), Beach days (Perissa, Vlychada), Hotel pool.
Is July peak season in Santorini?
Santorini July crowds are very busy and prices are peak. Advance reservations are strongly recommended.
Best Months to Visit Santorini
View Other Months
Why you can trust weather guide
Based in Chiang Mai for 8+ years, with 30+ countries visited across Southeast Asia, Japan, and Europe. Every detail in this guide is primary-source verified as of April 2026, with prices auto-refreshed via live exchange rate APIs. This isn't AI-generated boilerplate — it's written from the perspective of someone who has actually been there.