Greece Santorini Weather in January — Climate Guide
January in Santorini is low
January is low for Santorini.
Closed season. Most hotels + restaurants shut. Not recommended for tourism.
Travel score
Santorini January Weather Stats
Avg High
14°C
Avg Low
9°C
Rainy Days
11
75mm total
Sunshine
4h
Daily avg
Humidity
73%
moderate
UV Index
1
Low
Wind
15 km/h
Gusts 40
Sea Temp
15°C
no swimming
Crowds
Quiet
At attractions
January Sunrise & Sunset
Air Quality
PM2.5
15 μg/m³
PM10
28 μg/m³
Status
good
Feels-Like Temperature & Wind
Feels like
Daytime
12°C
Nighttime
7°C
Humidity and wind affect how the actual temperature feels.
Wind
15 km/h
Max gust 40 km/h
Activities Recommended for January
January Travel Pros & Cons
Pros
- Lowest prices (if any hotel open)
- No crowds
Cons
- Most hotels closed
- Most restaurants closed
- Ferries reduced
- Cool + wet
January Events & Festivals
- Closed season — most hotels/restaurants closed
Santorini in January — Full Picture
Closed season. Most hotels + restaurants shut. Not recommended for tourism.
What to Wear & What to Pack
Mild winter. Light coat + sweater.
Packing Checklist
Seasonal Weather Overview
Spring (Mar·Apr·May)
18.7°C
12.7°C
5.7/mo
Summer (Jun·Jul·Aug)
28.3°C
21.3°C
0.3/mo
Autumn (Sep·Oct·Nov)
21.7°C
16°C
5/mo
Winter (Dec·Jan·Feb)
Current14.3°C
9.7°C
10.7/mo
Santorini Monthly Weather Comparison
| Month | High | Low | Rain | Sun | Humid | UV | Crowd | Price |
|---|---|---|---|---|---|---|---|---|
| 14° | 9° | 11d·75mm | 4h | 73% | 1 | Quiet | Low season | |
| 14° | 9° | 10d·65mm | 5h | 71% | 2 | Quiet | Low season | |
| 15° | 10° | 8d·55mm | 6h | 70% | 3 | Quiet | Shoulder | |
| April (Best) | 18° | 12° | 6d·30mm | 8h | 65% | 5 | Busy | Peak |
| May (Best) | 23° | 16° | 3d·15mm | 10h | 60% | 7 | Very busy | Peak |
| June (Best) | 27° | 20° | 1d·5mm | 12h | 55% | 9 | Very busy | Peak |
| 29° | 22° | 0d·0mm | 13h | 50% | 10 | Very busy | Peak | |
| 29° | 22° | 0d·0mm | 12h | 52% | 9 | Very busy | Peak | |
| September (Best) | 25° | 19° | 2d·15mm | 10h | 60% | 7 | Very busy | Peak |
| October (Best) | 22° | 16° | 5d·50mm | 7h | 65% | 4 | Busy | Shoulder |
| 18° | 13° | 8d·65mm | 5h | 70% | 3 | Quiet | Shoulder | |
| 15° | 11° | 11d·75mm | 4h | 73% | 2 | Quiet | Low season |
View Other Months
Santorini January Hotel Picks
Frequently Asked Questions
Is January a good time to visit Santorini?
Santorini in January is low. Tourist crowds are quiet and flight/hotel prices are low season.
What's the average temperature in Santorini in January?
Santorini January averages a high of 14°C and a low of 9°C.
Does it rain much in Santorini in January?
Santorini January averages 75mm of rainfall over about 11 rainy days.
What should I wear in Santorini in January?
Mild winter. Light coat + sweater.
What time are sunrise and sunset in Santorini in January?
Santorini January sunrise is 07:30 and sunset is 17:30, with 10h of daylight.
What's the air quality like in Santorini in January?
Santorini January air quality (AQI) averages 45, rated Good. PM2.5 averages 15μg/m³.
What activities are recommended in Santorini in January?
In January, Santorini is great for Closed season — visit Athens instead.
Is January peak season in Santorini?
Santorini January crowds are quiet and prices are low season. You can travel relatively comfortably without long queues.
Best Months to Visit Santorini
View Other Months
Why you can trust weather guide
Based in Chiang Mai for 8+ years, with 30+ countries visited across Southeast Asia, Japan, and Europe. Every detail in this guide is primary-source verified as of April 2026, with prices auto-refreshed via live exchange rate APIs. This isn't AI-generated boilerplate — it's written from the perspective of someone who has actually been there.