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Santorini, Greece · Temperate oceanic

Santorini in January: go or not?

Tough period. Santorini in January only reaches 4.4/10.

📅 Data updated: October 2026 🛰️ ERA5 · 10 years 📍 36.39°N · 25.44°E
⚡ This month's verdict
Avoid
Santorini · January
4.4
10–14°
Temperature
19%
Rain
6h
Sun
🌊 Seaside☀️ Bright🍴 Gastronomy
Photo : Tânia Mousinho via Unsplash
The month in detail

What to expect in January

In January, Santorini sees 14°C during the day with 5.6h of sunshine per day. Rain risk remains low (19% of days), leaving good room for outdoor activities.

January ranks 12 out of 12 months in Santorini. Compared to December: −2°C daytime.

This month's conditions

What it's like in January

UV index
3 · low
no protection needed
Feels like
dry air
6°
Sea
17°C
cold, for the brave
Daylight
9.8h of daylight
Air quality
good
AQI 31
Compare

Is January the right month?

The best month in Santorini is July (9.6/10), 5.2 pts higher than January.

See July →See all 12 months →
Book

Plan your trip

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

🎟️ Activities & tours · Santorini

GetYourGuide selection · free cancellation

See all →
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 holiday.

Country · Greece

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

🌡️ Climate

🌍Climate typeTemperate oceanic
📈Climate trend ⓘ+1.21°C/decade
🔥Hottest monthJuly · 28°C
❄️Coolest monthJanuary · 14°C
🌧️Rainiest month ⓘDecember · 20%

🏖️ Beach holiday

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

Where is Santorini ?

Global position + regional geographic context.

🌍 World
🔍 Geographic context
Greece
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 28.0°C highs, 23.0°C 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 23.0°C, while afternoon highs average 28.0°C.
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.
Can you swim in Santorini in January?
In January, the sea averages 17°C in Santorini: cold, for the brave. Best left to hardened swimmers or those with a wetsuit.
Do you need sun protection in Santorini in January?
The average UV index reaches 3 in January in Santorini (low), with about 9.8h of daylight. No protection needed.