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Cagliari in December: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Cagliari in December will be like? Take a look at our weather guide for Cagliari, based on historical data.
Check flight prices to Cagliari on Avionero:
December

Weather in Cagliari in December 2024

OK Weather
Mild
☁️
Cloudy
December could be a good time to visit Cagliari, as the weather is generally fine. The average high temperature is around +15°C, and there are typically 11 sunny days in December. However, expect about 5 rainy days, and total monthly rainfall of approximately 57 mm. The weather is changeable so pack for every eventuality. Search flights in one click on Avionero.
Good to know:
  • December is usually the wettest month of the year in Cagliari;

Average weather

☀️
+15°C
Avg. max. temperature
-2°C
Min.
+23°C
Max.
57 mm
Total precipitation
81%
Avg. humidity
2 m/s
Avg. wind
11 ☀️
Sunny Days
15 ⛅️
Cloudy
5 🌦
Rainy
Our opinion: Cagliari has OK weather in December.

Average temperature in Cagliari in December

Here are the expected maximum, average and minimum temperatures in Cagliari for December based on the historical data.
Last Year
Historical Data

Going from a maximum of +22°C during the day to a minimum of +6°C during the night, the temperature in December averages around +18°C.

The average maximum temperature goes up 25% by the end of the month, compared with the beginning of the month, from +14°C to +18°C.

Is Cagliari warm or cold in December?

Cagliari is typically mild in December.

Maximum temperatures go down compared to the previous month from +18°C to +15°C. The minimum temperature also goes down from +11°C to +8°C.

Pack a light jacket as it will be warm in the day and cool in the evenings.

December is one of the coolest months in Cagliari, here is the comparison with other months:

Climate in Cagliari in December

Cagliari weather looks like this, on average, in December and the surrounding months.
NovemberDecemberJanuary
Avg. temperature
+18°C+15°C+14°C
Min. temperature
0°C-2°C-3°C
Max. temperature
+26°C+23°C+21°C
Rainfall
57 mm57 mm32 mm
Wind
2 m/s2 m/s3 m/s
Humidity
80%81%80%
Air pressure
1014 HPa1016 HPa1016 HPa
Sunny days
111111
Cloudy days
141516
Rainy days
554
Snowy days
000

December weather is still as ok as in November. It’s getting colder in December. From +18°C in the day, the average maximum temperature lowers to +15°C. The rainfall amount in December stays the same as in the previous month with a 57 mm of total precipitation. Humidity rises from 80% to 81%. The average wind speed doesn’t change much during December, staying around 2 m/s. The amount of sunny days stay about the same, averaging 11 sunny days during the month.

January brings much the same weather, it remains ok.

Wind

Wind speed in Cagliari in December based on historical data.
Last Year
Historical Data

The average wind speed is 3 m/s getting up to 6 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Cagliari is gradually decreasing during December, going from 2 m/s to 1 m/s over the course of the month.

Rain

Amount of rainfall in mm during December in Cagliari based on historical data.
Last Year
Historical Data
Typically, there is a 35% chance of rain on an average day in December, with total rainfall of approximately 39 mm. The maximum amount of rainfall per day is around 8 mm, which is considered light rain. December is a pretty wet month with over 11 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
December is one of the rainiest months in Cagliari, here is a comparison with other months, total mm:
Cagliari wettest month is December, where a typical day has a 16% chance of precipitation and 57 mm of rainfall per day. July, on the other hand, is the driest month with a mere 0% chance of precipitation and 1 mm of rainfall per day.

How was the weather last December in Cagliari?

This is the weather in Cagliari in December 2023:
1 December
🌧️
+14°C
2 December
☀️
+16°C
3 December
☀️
+19°C
4 December
☀️
+19°C
5 December
☀️
+19°C
6 December
☀️
+17°C
7 December
☀️
+18°C
8 December
☀️
+17°C
9 December
🌫️
+20°C
10 December
🌧️
+18°C
11 December
☀️
+15°C
12 December
🌧️
+16°C
13 December
🌧️
+21°C
14 December
🌧️
+21°C
15 December
🌧️
+19°C
16 December
☀️
+17°C
17 December
☀️
+18°C
18 December
☀️
+18°C
19 December
🌫️
+17°C
20 December
☀️
+17°C
21 December
☀️
+17°C
22 December
☀️
+19°C
23 December
☀️
+20°C
24 December
☀️
+19°C
25 December
☀️
+22°C
26 December
☀️
+20°C
27 December
☀️
+21°C
28 December
☀️
+19°C
29 December
☀️
+17°C
30 December
☀️
+19°C
31 December
☀️
+18°C
In December 2023 Cagliari had 23 sunny days, 0 cloudy days, and 6 rainy days. The average maximum temperature was +18°C, with an absolute maximum of +22°C and a minimum of +14°C. The average humidity was 78%, with a maximum of 95% and a minimum of 50%. The average wind speed was 3 m/s, with a maximum of 10 m/s and a minimum of 0 m/s.
Are you planning a trip in December?

Climate Change over Years

This is how Cagliari climate have been changing during last 43 years period.

The climate in Cagliari in December has not changed much over the last 43 years.

The average temperature was the lowest in 1980 (+13°C) and the highest in 2022 (+20°C). The driest year was 1985 with only 4 mm of rainfall, and the wettest year was 2020 with 847 mm.

FAQ

Frequently asked questions about the weather in Cagliari in December:

Is December a good time to visit Cagliari?

It’s always a good time to visit Cagliari, but the weather is changeable in December, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Cagliari in December?

December has mild temperatures in Cagliari. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!

Is Cagliari rainy in December?

Cagliari is often rainy in December. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Cagliari in December?

The amount of sunny days in Cagliari during December varies; prepare for a mix of clouds and sun.

Other cities in Italy

Check out the weather for other cities in Italy.

Monthly weather in Cagliari

Source of the data

For this page, we’ve looked at the typical weather in Cagliari, based on historical hourly weather data from January 1, 1979, to December 31, 2022.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.