Climate guide for Santorini, Greece

Santorini in January

Weather, crowds & best time to visit

How to read the score (0–10)
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January · Greece

Best time to visit Santorini in January Weather, crowds & prices

Weather in Santorini in January

Average temperature 14°C, 42 mm of rain, about 27 days with 6+ hours of sunshine and 67% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

January score

6.0/10

Ranked #11 of 12 months

Full year for Santorini
Avg temp
14°C
Rainfall
42 mm
Humidity
67%
Days with 6h+ sun
27
Crowd Density
Quiet / Uncrowded
Average Expenses
$ · Budget Friendly ($)

January in Santorini scores 6.0/10 for beach and coastal travel - ranked #11 of 12. Expect around 14°C, 42 mm of rain, and roughly 27 days with 6+ hours of sunshine this month.

Santorini is far more than an Oia sunset: volcanic footpaths, black-sand coves, and village tavernas feel most balanced in June, September, and early October.

January in Santorini: mixed conditions, plan around the weather

January averages 14°C (57°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.

Expect 42 mm of rain — occasional showers rather than washed-out days — alongside about 27 days with 6+ hours of sunshine and 10 daylight hours.

It scores 6/10 here, 11th of 12 months, against 10/10 in the destination's best month.

Pack layers you can shed by midday plus one warm layer for the evening.

Plan for low-season pricing, with crowds are light for this destination.

Flexible dates? June scores 4 points higher here — enough to change the trip.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Santorini in January?
In January, Santorini averages 14°C, 42 mm of rain, and about 27 days with 6+ hours of sunshine. Its climate-comfort score is 6.0/10.
Is January a good time to visit Santorini?
January earns a 6.0/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Santorini in January?
Expect about 42 mm of rain in January. Average humidity is 67% and there are about 27 days with 6+ hours of sunshine.

Curated in Santorini

Tickets & experiences

Things to do in Santorini

Santorini, Greece. Live activities and tours from GetYourGuide, matched to this destination.