Santorini in July

In July, Santorini averages 28°C (82°F) during the day and 22°C (72°F) at night, with only about 1 rainy day.

Peak season

Conditions are warm and beach-friendly. Skies are generally dry and clear.

July is a great month to visit Santorini: pleasant temperatures and relatively few wet days.

28°C
Avg high
22°C
Avg low
1
Rain days
1 mm
Rainfall

How July compares to the rest of the year in Santorini

1st
warmest month of the 12
11th
wettest month of the 12
0%
of yearly rainfall falls in July
14 h 25 min
daylight on the 15th

July is one of the warmest months in Santorini (1st of 12) and one of the driest months (11th of 12). Daytime temperature runs 7°C above the annual average (21°C). July runs 1°C warmer than June (27°C) and stays flat into August.

July sunrise & sunset in Santorini

🌅
Sunrise (15th)
6:11 AM
🌇
Sunset (15th)
8:36 PM
Day length
14 h 25 min

Times shown for Santorini local time (Europe/Athens), calculated for the 15th of July. They shift by a few minutes day to day across the month.

Photography light in Santorini — July

Golden-hour and blue-hour windows for the 15th of July, in Santorini's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).

🌅 Blue hour (AM)
5:11 AM – 5:51 AM
🌄 Golden hour (AM)
5:51 AM – 6:51 AM
🌇 Golden hour (PM)
7:56 PM – 8:56 PM
🌆 Blue hour (PM)
8:56 PM – 9:36 PM
Milky Way galactic core
Good
Galactic core is up but lower on the horizon; head well outside city limits for a clean view.

📅 When to book — Santorini in July

Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on July's tier (Peak season) and Santorini's popularity.

✈ Flights — lead time
3-5 months
Flight prices are near their annual peak. Watch fare-alert tools, book directly when you see a fare under the typical range for this city.
🏨 Lodging — lead time
3-5 months
Reasonable selection still available at 3-4 months out, but central locations vanish first.
⚠ Mediterranean coastal accommodations are at absolute peak; rentals near beaches book 6-10 months out, especially Italy / Spain / Greece.

Crowds & pricing — July in Santorini

Peak season

Santorini is in peak season during this month — expect bigger crowds at famous sights, higher hotel and flight prices, and longer queues. Restaurant reservations a few days out are advisable, and any boutique hotels you have your eye on should be booked weeks ahead. The trade-off: most attractions, restaurants, and seasonal services are fully open, the weather is at its most reliable, and the city feels at its most alive.

Why this tier: excellent tourism weather Northern Hemisphere summer holidays beach-season conditions

Sun & mosquito risk — July in Santorini

☀️ UV Index (noon, 15th)
12.4
Extreme
Stay indoors during midday hours; SPF 50+ even briefly outside, UPF clothing, wide-brim hat, sunglasses essential.
🦟 Mosquito risk
●●●○○
Moderate
Active mosquito season. DEET 25-30% repellent recommended, especially at dawn/dusk.

UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.

Sea temperature in Santorini — July

24.6°C (76°F)
warm
comfortable for extended swimming

Across the year Santorini's sea swings from 17.1°C (March) to 25.8°C (August) — July sits at 24.6°C.

Santorini in other months

MonthAvg highAvg lowRainfallRain daysSnow days
January 14°C / 57°F 9°C / 48°F 75 mm 8 0
February 14°C / 57°F 9°C / 48°F 55 mm 6 0
March 16°C / 61°F 11°C / 52°F 40 mm 4 0
April 18°C / 64°F 13°C / 55°F 15 mm 3 0
May 22°C / 72°F 16°C / 61°F 5 mm 1 0
June 27°C / 81°F 20°C / 68°F 1 mm 1 0
July 28°C / 82°F 22°C / 72°F 1 mm 1 0
August 28°C / 82°F 22°C / 72°F 1 mm 1 0
September 26°C / 79°F 19°C / 66°F 5 mm 2 0
October 23°C / 73°F 17°C / 63°F 30 mm 4 0
November 19°C / 66°F 14°C / 57°F 55 mm 7 0
December 16°C / 61°F 11°C / 52°F 80 mm 8 0

Other cities with similar July weather

🌍 See the full ranked list of climate twins for Santorini in July →

Frequently asked questions

How hot is Santorini in July?

In July, Santorini averages a high of 28°C (82°F) and a low of 22°C (72°F) — generally warm.

Does it rain a lot in Santorini in July?

July is generally dry in Santorini, with about 1 rainy day on average.

Is July a good time to visit Santorini?

July is warm and mostly dry. It suits travelers who are comfortable with warm weather; check the month-by-month ranking to compare it against the rest of the year.

What should I pack for Santorini in July?

Pack lightweight, breathable clothing, sunglasses and sunscreen. See the full July packing list for Santorini for a complete, climate-based checklist.

Open Santorini on the interactive map

Check the live 10-day forecast and sunrise/sunset.