2026 Climate Averages

Weather: Santorini — December

Conditions are pleasant for sightseeing, though you might encounter occasional showers.

👍 Climate Overview

December is a good time to visit Santorini. Mild temperatures around 16°C make it comfortable for exploring. Rain is common, so pack an umbrella. Wind can be noticeable, especially in exposed areas—bring a windbreaker. With only around 10 hours of daylight, plan outdoor activities earlier in the day. Being off-peak, you'll find better deals and fewer crowds. At 19°C, the sea is too cold for most swimmers.

8.3
GoTripzi Score Great

Based on weather comfort, crowds, prices, and activity options

Avg High

16°C

Avg Low

15°C

Rainy days

10days

Daylight

9.7h

Feels like 14°C / 11°C — wind chill makes it feel cooler

Rainfall

61mm

Sunshine

8h/day

Humidity

72%

Humid
Sun Strength

3.3

Moderate
Wind

33 km/h (gusts 45)

Sea Temp

19°C ❄️ Cold

Is December a good time to visit Santorini?

Conditions are pleasant for sightseeing, though you might encounter occasional showers.

Now

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Feels like --
Wind --
Humidity --
UV Index --
Local time —

Air Quality

Travel Context

  • Crowds
    Quiet
  • Travel Costs Value Rates

Daylight

Sunrise

07:23

Sunset

17:05

9.7h daylight

Visiting Santorini in December: Pros & Cons

Pros

  • Fewer crowds and better hotel deals

Things to Do in December

Recommended for This Weather

🚶 Walking tours & sightseeing
🚲 Cycling & bike tours
🥾 Hiking & nature trails
🏛️ Museums & galleries
🍳 Cooking classes & food tours
🎭 Cultural tours & local experiences

Santorini Weather by Month

Month Avg High Avg Low Rain Sunshine Humidity UV Index Crowds Condition
Jan 15°C 13°C 11d (58mm) 8.1h
70% Humid
3.7 Moderate
Good
Feb 14°C 12°C 7d (36mm) 8.9h
70% Humid
5.1 High
Good
Mar 15°C 13°C 7d (36mm) 10.3h
71% Humid
7.2 Very High
Good
Apr 16°C 15°C 2d (8mm) 11.5h
76% Humid
9 Very High
Good
May 19°C 18°C 2d (6mm) 12.4h
80% Very Humid
10.4 Extreme
Excellent
Jun 23°C 21°C 0d (2mm) 13.3h
80% Very Humid
11.4 Extreme
Excellent
Jul 25°C 24°C 0d (0mm) 13.1h
78% Humid
11.4 Extreme
Good
Aug 25°C 24°C 0d (2mm) 12.6h
80% Very Humid
10.2 Extreme
Good
Sep 24°C 23°C 0d (1mm) 11.3h
76% Humid
8.3 Very High
Excellent
Oct 21°C 20°C 2d (7mm) 9.9h
74% Humid
6 High
Excellent
Nov 19°C 17°C 4d (24mm) 8.7h
73% Humid
4.2 Moderate
Good
Dec Current 16°C 15°C 10d (61mm) 8h
72% Humid
3.3 Moderate
Good

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5.6

Where to Stay

See hotels, apartments & rentals around Santorini – live prices from Booking.com, Expedia, Vrbo and more

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Santorini

Iconic caldera sunsets with Oia sunset viewpoint and Catamaran cruise around the caldera, white-washed villages, volcanic beaches, and cliffside luxury.

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What to Pack for December

Dress in layers — a mix of long sleeves, light sweaters, and a versatile jacket works best for changeable conditions. A waterproof jacket and shoes are non-negotiable — showers are frequent.

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📋Essentials
👕Clothing
👟Footwear
🎒Accessories
🧴Toiletries & Health

Planning a trip to Santorini?

💰 Off-peak — great deals available now

Frequently Asked Questions

Is December a good time to visit Santorini?
December is typically good for visiting Santorini, with average highs of 16°C and around 10 rainy days. Plan your activities accordingly—outdoor sightseeing is best on dry days, while rainy days are perfect for museums and indoor attractions.
Does it get cold at night in Santorini in December?
Evenings in Santorini during December are mild at 15°C. A light cardigan or long sleeves for evenings is usually enough. Outdoor dining remains comfortable, making it a great time to enjoy rooftop bars and terrace restaurants.
What should I pack for Santorini in December?
With highs of 16°C and lows of 15°C in December, we recommend: Layerable clothing, Light jacket, Compact umbrella, Waterproof jacket/shell. Layering is key as temperatures can vary between air-conditioned interiors and outdoors. Comfortable walking shoes are essential for cobblestone streets.
Does it rain a lot in Santorini in December?
Santorini typically sees around 10 rainy days in December. Rain is usually in the form of brief showers rather than all-day downpours, so a compact umbrella is sufficient. Mornings tend to be drier, making them ideal for outdoor sightseeing.
Can you swim in Santorini in December?
Swimming in Santorini during December is possible but quite cold, with air temperatures around 16°C. Only brave swimmers venture in without a wetsuit. Consider indoor pools or thermal baths as an alternative if your hotel offers them.
How many hours of daylight are there in Santorini in December?
In December, Santorini gets approximately 9.7 hours of daylight per day. This affects how much sightseeing you can fit in—longer days mean more time for outdoor activities, while shorter days are perfect for cozy museum visits and early dinners.
Is December peak season in Santorini?
No, December is not peak season in Santorini. Expect better value on accommodation, shorter queues at attractions, and fewer tourists at popular spots. This is an excellent time to experience the city like a local and enjoy a more authentic atmosphere.

Weather Data: Based on 2020–2025 historical climate data from Open-Meteo

Solar calculations: SunCalc (timezone: Europe/Athens)

Last Updated: February 2026

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