Santorini in January
In January, Santorini averages 14°C (57°F) during the day and 9°C (48°F) at night, with around 8 days of rain (75 mm total).
ShoulderConditions are cool — bring a jacket for evenings. Occasional showers are likely but won't dominate.
January in Santorini is outside the typical sweet spot for sightseeing weather. It can still be a great time to visit if you have specific reasons (festivals, off-season pricing, etc.).
How January compares to the rest of the year in Santorini
January is one of the coolest months in Santorini (11th of 12) and one of the wettest months (1st of 12). Daytime temperature runs 7°C below the annual average (21°C). January runs 2°C cooler than December (16°C) and stays flat into February.
January sunrise & sunset in Santorini
Times shown for Santorini local time (Europe/Athens), calculated for the 15th of January. They shift by a few minutes day to day across the month.
Photography light in Santorini — January
Golden-hour and blue-hour windows for the 15th of January, in Santorini's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Santorini in January
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 January's tier (Shoulder) and Santorini's popularity.
Crowds & pricing — January in Santorini
Santorini is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.
Sun & mosquito risk — January in Santorini
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 — January
Across the year Santorini's sea swings from 17.1°C (March) to 25.8°C (August) — January sits at 17.7°C.
Santorini in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow 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 January weather
🌍 See the full ranked list of climate twins for Santorini in January →
Frequently asked questions
How hot is Santorini in January?
In January, Santorini averages a high of 14°C (57°F) and a low of 9°C (48°F) — generally cool.
Does it rain a lot in Santorini in January?
January sees occasional rain in Santorini, with about 8 rainy days on average.
Is January a good time to visit Santorini?
January is cool. It suits travelers who are comfortable with cool weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Santorini in January?
Pack a warm jacket and layers. See the full January packing list for Santorini for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.