Cagliari weather

Our guide to the weather in Cagliari during December

15

Average high

4

UV Index

47mm

Monthly rainfall

16

Sea temperature

We've looked at the most up-to-date weather data for Cagliari, 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 Cagliari weather in December.

What's the temperature like in Cagliari during December?

The temperature reaches around 15℃ during the daytime in December, falling away to 10℃ at night. 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 Cagliari during December?

On average, there will be 2 rainy days during the month, amounting to 46.7mm 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 Cagliari during December?

You're unlikely to experience any strong winds. Expect a gentle breeze that increases to moderate at times during December. With moderate air temperatures, any breeze will feel cool.

How warm is the sea in Cagliari during December?

The water around Cagliari is around 16℃ 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.

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Weather in Cagliari

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

13.7

Cagliari weather in

January
14.1

Cagliari weather in

February
15.7

Cagliari weather in

March
18.4

Cagliari weather in

April
22.1

Cagliari weather in

May
27.3

Cagliari weather in

June
30.6

Cagliari weather in

July
30.9

Cagliari weather in

August
27.2

Cagliari weather in

September
23.2

Cagliari weather in

October
18.4

Cagliari weather in

November
15.2

Cagliari weather in

December