Thira weather

Our guide to the weather in Thira during December

16

Average high

4

UV Index

70mm

Monthly rainfall

18

Sea temperature

Thira is a stunningly beautiful Greek island with plenty of cultural attractions to explore year-round, though it's best to bring a jacket for cooler December evenings. We've looked at the most up-to-date weather data for Thira, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Thira weather in December.

What's the temperature like in Thira during December?

The temperature is extremely stable in December with average highs of 16℃ and lows just 2℃ lower at 15℃. The UV index will be moderate at this time of year, so not something to worry about for the average person. However, if you're going to be outside for long periods it's worth wearing a broad spectrum SPF 30+ sunscreen and UV-blocking sunglasses. Remember that bright surfaces, such as water and sand increase UV exposure.

Does it rain in Thira during December?

On average, there will be 4 rainy days during the month, amounting to 69.8mm in total. That's broadly comparable with the amount of rain we see in England during the summer months, and would be considered dry. There's a small chance that you'll catch a thunderstorm during your trip.

Is it windy in Thira during December?

Expect moderate breeze becoming stronger at times during December, with occasional gusts up to 22mph. With moderate humidity and mild air temperatures, the breeze will have a slight cooling effect.

How warm is the sea in Thira during December?

The water around Thira is around 18℃ during December. It will feel a little on the cool when first entering, but you'll warm up quickly. Most kids will have no problem with this temperature, but those who feel the cold are unlikely to want to swim.

Holidays in Thira

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Books inspired by Thira

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Thira Blog posts

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Discovering Greece by Yacht: Four Islands to Visit

27th October 2023 by Conversant Traveller

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16th April 2023 by Where Angie Wanders

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13th March 2023 by Where Angie Wanders

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Weather in Thira

Our month-by-month guide to the weather and climate in Thira

14.5

Thira weather in

January
14.7

Thira weather in

February
15.2

Thira weather in

March
17.0

Thira weather in

April
20.1

Thira weather in

May
23.4

Thira weather in

June
25.4

Thira weather in

July
25.9

Thira weather in

August
24.4

Thira weather in

September
21.6

Thira weather in

October
19.0

Thira weather in

November
16.2

Thira weather in

December