Greece Santorini Weather in December — Climate Guide
December in Santorini is low
December is low for Santorini.
Closed season. Most hotels + restaurants closed. Visit Athens instead.
Travel score
Santorini December Weather Stats
Avg High
15°C
Avg Low
11°C
Rainy Days
11
75mm total
Sunshine
4h
Daily avg
Humidity
73%
moderate
UV Index
2
Low
Wind
15 km/h
Gusts 40
Sea Temp
17°C
no swimming
Crowds
Quiet
At attractions
December Sunrise & Sunset
Air Quality
PM2.5
15 μg/m³
PM10
28 μg/m³
Status
good
Feels-Like Temperature & Wind
Feels like
Daytime
13°C
Nighttime
10°C
Humidity and wind affect how the actual temperature feels.
Wind
15 km/h
Max gust 40 km/h
Activities Recommended for December
December Travel Pros & Cons
Pros
- Lowest prices (if any hotel open)
Cons
- Most hotels + restaurants closed
- Ferries reduced
- Cool + wet
December Events & Festivals
- Closed season — most hotels/restaurants closed
Santorini in December — Full Picture
Closed season. Most hotels + restaurants closed. Visit Athens instead.
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 December Hotel Picks
Frequently Asked Questions
Is December a good time to visit Santorini?
Santorini in December is low. Tourist crowds are quiet and flight/hotel prices are low season.
What's the average temperature in Santorini in December?
Santorini December averages a high of 15°C and a low of 11°C.
Does it rain much in Santorini in December?
Santorini December averages 75mm of rainfall over about 11 rainy days.
What should I wear in Santorini in December?
Mild winter. Light coat + sweater.
What time are sunrise and sunset in Santorini in December?
Santorini December sunrise is 07:25 and sunset is 17:10, with 9h 45min of daylight.
What's the air quality like in Santorini in December?
Santorini December air quality (AQI) averages 45, rated Good. PM2.5 averages 15μg/m³.
What activities are recommended in Santorini in December?
In December, Santorini is great for Closed season.
Is December peak season in Santorini?
Santorini December 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.