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Santorini, Greece · Temperate oceanic

Santorini: best months to visit

July (9.6/10) · January (4.4/10).

📅 Data updated: October 2026 🛰️ ERA5 · 10 years 📍 36.39°N · 25.44°E
⚡ Quick answer
July
Depends on your goals
9.6/10
☀️ Jul
Top score (9.6/10)
🌤️ Aug
Alt. (9.5/10)
Jan
Plus rude (4.4/10)
🌊 Seaside☀️ Bright🍴 Gastronomy
Photo par Tânia Mousinho via Unsplash
Decide

When to visit Santorini?

The decision rests on several criteria. Climate score, tourist crowds and feasible activities.

Verdict: In Santorini, July and August clearly stand out. January concentrates the least favorable conditions.
Top & avoid
🏆 July · 9.6 August · 9.5 June · 9.3 September · 9.1 ⚠️ January · 4.4
4.4
Jan
4.5
Feb
7.3
Mar
7.8
Apr
8.4
May
9.3
Jun
9.6
Jul
9.5
Aug
9.1
Sep
8.5
Oct
7.8
Nov
7.1
Dec
Best period · ≥ 7 Decent period · 4 – 7 Tough conditions · < 4

What you grasp in 5 seconds

Santorini offers 10 comfortable months, without any month really to avoid. The gap stays moderate: 9.6 in July vs 4.4 in January.

What to check next

Your tolerance for crowds and budget. The best months concentrate tourist saturation and higher prices. Shoulder seasons offer a good compromise.

Next action

Scroll down to the detailed table to compare month by month, then open the page of the month that interests you.

Compare the 12 months By your project

How we calculate the score

The score combines 4 weighted criteria using 10 years of real climate data (ERA5).

Source : ERA5 · Open-Meteo · 10 years (2016–2025) · Full methodology →

Understand

Compare all 12 months

Month-by-month details: temperature, rain, sunshine, score and verdict.

✅ 10 comfortable months (Mar · Apr · May · Jun · Jul · Aug · Sep · Oct · Nov · Dec)
MonthT° minT° maxRain %mm/daySunScoreVerdict
🌥️ January →50°F57°F19%1.5mm5.6h4.4/10Decent period
🌥️ February →52°F57°F17%1.6mm6.1h4.5/10Decent period
⛅ March →54°F61°F15%1.4mm7.2h7.3/10Best period
☀️ April →55°F64°F8%0.4mm8.2h7.8/10Best period
☀️ May →61°F70°F7%0.4mm9.1h8.4/10Best period
☀️ June →70°F79°F4%0.2mm9.7h9.3/10Best period
☀️ July →73°F82°F1%0.0mm9.7h9.6/10Best period
☀️ August →73°F82°F3%0.1mm9.2h9.5/10Best period
☀️ September →72°F79°F3%0.2mm8.3h9.1/10Best period
☀️ October →64°F72°F6%0.4mm7.2h8.5/10Best period
☀️ November →59°F66°F11%0.8mm6.2h7.8/10Best period
⛅ December →54°F61°F20%1.7mm5.4h7.1/10Best period
🌥️ January
4.4/10
T°50°F / 57°F
Rain %19%
Sun5.6h
Decent period
🌥️ February
4.5/10
T°52°F / 57°F
Rain %17%
Sun6.1h
Decent period
⛅ March
7.3/10
T°54°F / 61°F
Rain %15%
Sun7.2h
Best period
☀️ April
7.8/10
T°55°F / 64°F
Rain %8%
Sun8.2h
Best period
☀️ May
8.4/10
T°61°F / 70°F
Rain %7%
Sun9.1h
Best period
☀️ June
9.3/10
T°70°F / 79°F
Rain %4%
Sun9.7h
Best period
☀️ July
9.6/10
T°73°F / 82°F
Rain %1%
Sun9.7h
Best period
☀️ August
9.5/10
T°73°F / 82°F
Rain %3%
Sun9.2h
Best period
☀️ September
9.1/10
T°72°F / 79°F
Rain %3%
Sun8.3h
Best period
☀️ October
8.5/10
T°64°F / 72°F
Rain %6%
Sun7.2h
Best period
☀️ November
7.8/10
T°59°F / 66°F
Rain %11%
Sun6.2h
Best period
⛅ December
7.1/10
T°54°F / 61°F
Rain %20%
Sun5.4h
Best period
📊 Quick read
Optimal window
Mar → Dec
Good transition
Jan · Feb
Tough period
none
🌡️ Detailed conditions (July)
🌡️ Feel
Warm
☀️ UV
8.1 · Very strong
💧 Humidity feel
63°F · Pleasant
☔ Rain
1% · 0.0 mm/day
🌅 Sunshine
9.7h/day
Week by week

Santorini week by week: your odds of avoiding rain

For each week of the year: in how many years out of 10 it was mostly dry (at most 2 rainy days), 2016 to 2025.

Safest week: Jul 2 to Jul 8, mostly dry in 10 years out of 10 (0.0 rainy day(s) on average).

Most exposed: Jan 1 to Jan 7, mostly dry in 6 years out of 10 (1.6 rainy days on average).

Number = years out of 10 with at most 2 rainy days in the week. Source: ERA5 reanalysis (ECMWF) via Open-Meteo, daily data 2016-2025. Rainy day = at least 1 mm, as everywhere on the site.
JanJan 16/1058°FJan 88/1057°FJan 159/1056°FJan 229/1054°FJan 299/1057°F
FebFeb 59/1056°FFeb 128/1056°FFeb 199/1058°FFeb 268/1059°F
MarMar 58/1060°FMar 129/1059°FMar 1910/1059°FMar 268/1061°F
AprApr 28/1063°FApr 910/1064°FApr 1610/1065°FApr 2310/1067°FApr 308/1068°F
MayMay 710/1070°FMay 1410/1072°FMay 219/1073°FMay 2810/1074°F
JunJun 410/1077°FJun 1110/1079°FJun 1810/1080°FJun 259/1082°F
JulJul 210/1083°FJul 910/1082°FJul 1610/1083°FJul 2310/1084°FJul 3010/1084°F
AugAug 610/1083°FAug 1310/1082°FAug 2010/1082°FAug 2710/1081°F
SepSep 310/1080°FSep 1010/1079°FSep 1710/1077°FSep 249/1075°F
OctOct 110/1074°FOct 810/1072°FOct 1510/1070°FOct 2210/1070°FOct 2910/1068°F
NovNov 510/1068°FNov 128/1065°FNov 1910/1064°FNov 269/1063°F
DecDec 39/1061°FDec 107/1061°FDec 179/1058°FDec 247/1057°F

A specific date? The app computes the same figure day by day.

10-year trend

Annual temperatures — Santorini

Min/max temperature curves observed over the past 10 years (ERA5). Shows climate stability and trend.

T° maxT° meanT° min57°61°64°68°72°201620172018201920202021202220232024202571°F — decade peak (2024)+1.93°F / decade
Tailor

For your trip

A few angles depending on what kind of trip you are planning.

🏖️ Beaches: Jun-Sept🌊 Swell: Sept-Mar🚤 Water activities
Book

Plan your trip

Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.

🏨
Stay
Hotels & rentals · Santorini
Expedia →
🎟️
Activities
Tours, tickets, experiences
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✈️
Flights
Multi-airline comparator
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🎟️ Activities & tours · Santorini

GetYourGuide selection · free cancellation

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Affiliate link · GetYourGuide
Practical info

What you need to know before you go

Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a beach trip.

Country · Greece

🗣️LanguageGreek
💶CurrencyEuro (€)
🚗DrivingRight-hand
🛡️Safety ⓘVery safe · 1/5
💰Cost of living ⓘModerate · 3/5

🌡️ Climate

🌍Climate typeTemperate oceanic
📈Climate trend ⓘ+2.18°F/decade
🔥Hottest monthJuly · 82°F
❄️Coolest monthJanuary · 57°F
🌧️Rainiest month ⓘDecember · 20%

🏖️ Beach trip

📅Peak seasonJuin → Sept
🏖️Swell (Sept–Mar) ⓘModérée
🛂VisaSchengen · 90 days
Explore

Related destinations & guides

If this destination doesn't fit your dates, here are alternatives and guides.

Similar climate destinations

Paros · Greece→Tel Aviv · Israel→Naxos · Greece→Paphos · Cyprus→

Nearby destinations

Milos · Greece61 mi →Mykonos · Greece73 mi →Crete · Greece83 mi →Kos · Greece98 mi →

Guides & rankings

World ranking 2026See →
Best summer destinationsSee →
Winter sunSee →
Where to go in JulySee →
Location

Where is Santorini ?

Global position + regional geographic context.

🌍 World
🔍 Geographic context
Temperate oceanic climate with a 9.6 → 4.4 gap between best and worst month. 10 years of ERA5 data to choose by project.
36.39°N · 25.44°E
Questions

Frequently asked questions

What is the best time to visit Santorini?
July is the best month with 82°F highs, 73°F lows, 9.7h of sunshine and 1.0% rainy days. The months of July & August offer comparable conditions.
How many hours of sunshine does Santorini get in July?
Santorini averages 9.7 sunshine hours per day in July. It is the sunniest month with a climate score of 9.4/10.
What is the rainiest month in Santorini?
January is the most unfavourable month with January has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in Santorini in July?
In July, overnight lows reach 73°F, while afternoon highs average 82°F.
Is Santorini good in winter?
In winter (December-February), Santorini scores 5.1/10 on average — Difficult period — prefer the peak season.. The best month overall remains July with a score of 9.4/10.
When should you avoid Santorini?
January is the most difficult month to visit Santorini, with January has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.