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Cagliari in January: Weather, Average temperature and Climate

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

Weather in Cagliari in January 2025

OK Weather
Mild
☁️
Cloudy
🌊
Cold water
If you plan to visit Cagliari in January, the weather is typically alright, with an average high temperature of +57°F during the day and approximately 9 sunny days. Expect some rainy, though, as there are typically 10 rainy days in the month and around 33 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flights in one click on Avionero.
Good to know:
  • January is usually the coldest month of the year in Cagliari;

Average weather

☀️
+57°F
Avg. max. temperature
+27°F
Min.
+70°F
Max.
33 mm
Total precipitation
81%
Avg. humidity
3 m/s
Avg. wind
9 ☀️
Sunny Days
11 ⛅️
Cloudy
10 🌦
Rainy
Our opinion: Cagliari has OK weather in January.

Average temperature in Cagliari in January

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

Going from a maximum of +64°F during the day to a minimum of +32°F during the night, the temperature in January averages around +57°F.

The average maximum temperature goes down 22% by the end of the month, compared with the beginning of the month, from +64°F to +57°F.

Is Cagliari warm or cold in January?

Cagliari is typically mild in January.

Maximum temperatures go down compared to the previous month from +59°F to +57°F. The minimum temperature also goes down from +46°F to +45°F.

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

January is the coldest month in Cagliari, here is the comparison with other months:

Water temperature in Cagliari in January

Water in Cagliari in January is Cold. It varies from +56°F to +60°F, with an average of +58°F. Note that the air temperature is lower than the water temperature, averaging around +57°F.

The water temperature in January is one of the coldest of the entire year:

The warmest water temperatures in Cagliari are reached in August, when the average sea temperature rises to +77°F. The coldest water temperatures are in February, with an average of +56°F.

Can you swim in Cagliari in January?

We would not recommend swimming in Cagliari in January, the water is very cold (+58°F on average). Consider swimming only if you are an experienced cold-water swimmer with proper gear.
🦭
Cold
Below +61°F
🏄‍♂️
Fresh
61°F - 70°F
🏊
Comfortable
70°F - 77°F
👙
Warm
77°F - 82°F
🔥
Very warm
+82°C and up
You will need a full-body wetsuit, cap, gloves, a warm change of clothes, and a hot drink ready for after your swim.

Climate in Cagliari in January

Cagliari weather looks like this, on average, in January and the surrounding months.
DecemberJanuaryFebruary
Avg. temperature
+59°F+57°F+57°F
Min. temperature
+28°F+27°F+28°F
Max. temperature
+73°F+70°F+73°F
Rainfall
56 mm33 mm35 mm
Wind
3 m/s3 m/s3 m/s
Avg. water temperature
+61°F+58°F+56°F
Humidity
81%81%78%
Air pressure
1016 HPa1017 HPa1016 HPa
Sunny days
999
Cloudy days
10119
Rainy days
10108
Snowy days
000

January weather is still as ok as in December. It’s getting colder in January. From +59°F in the day, the average maximum temperature lowers to +57°F. As January arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 56 mm to 33 mm. Humidity levels don’t change as the month goes on, averaging around 81%. The average wind speed doesn’t change much during January, staying around 3 m/s. The amount of sunny days stay about the same, averaging 9 sunny days during the month.

February brings much the same weather, it remains ok.

Wind

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

The average wind speed is 4 m/s getting up to 8 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 increasing during January, going from 2 m/s to 3 m/s over the course of the month.

Rain

Amount of rainfall in mm during January in Cagliari based on historical data.
Last Year
Historical Data
Typically, there is a 48% chance of rain on an average day in January, with total rainfall of approximately 88 mm. The maximum amount of rainfall per day is around 20 mm, which is considered light rain. January is a pretty wet month with over 15 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
Here’s how January is compared with other months in the amount of precipitation, total mm:
Cagliari wettest month is November, where a typical day has a 33% chance of precipitation and 57 mm of rainfall per day. July, on the other hand, is the driest month with a mere 3% chance of precipitation and 1 mm of rainfall per day.

How was the weather last January in Cagliari?

This is the weather in Cagliari in January 2023:
1 January
🌫️
+65°F
2 January
☀️
+65°F
3 January
☀️
+64°F
4 January
☀️
+63°F
5 January
☀️
+62°F
6 January
☁️
+57°F
7 January
☀️
+62°F
8 January
☀️
+62°F
9 January
🌧️
+63°F
10 January
☀️
+59°F
11 January
☀️
+62°F
12 January
☀️
+62°F
13 January
☀️
+62°F
14 January
☀️
+62°F
15 January
☀️
+64°F
16 January
☀️
+59°F
17 January
🌧️
+60°F
18 January
🌧️
+54°F
19 January
🌧️
+49°F
20 January
🌧️
+51°F
21 January
🌧️
+48°F
22 January
☀️
+50°F
23 January
☀️
+52°F
24 January
🌧️
+50°F
25 January
☁️
+51°F
26 January
☀️
+50°F
27 January
☀️
+53°F
28 January
🌧️
+54°F
29 January
☀️
+57°F
30 January
☀️
+57°F
31 January
☀️
+56°F
In January 2023 Cagliari had 20 sunny days, 2 cloudy days, and 8 rainy days. The average maximum temperature was +57°F, with an absolute maximum of +64°F and a minimum of +48°F. The average humidity was 78%, with a maximum of 97% and a minimum of 41%. The average wind speed was 4 m/s, with a maximum of 25 m/s and a minimum of 0 m/s.
Are you planning a trip in January?

Climate Change Over the Years

This is how Cagliari climate has changed over the last 43 years.

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

The average temperature was the lowest in 1984 (+66°F) and the highest in 2022 (+74°F). The driest year was 1989 with only 134 mm of rainfall, and the wettest year was 2020 with 1145 mm.

FAQ

Frequently asked questions about the weather in Cagliari in January:

Is January a good time to visit Cagliari?

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

Can you sunbathe in Cagliari in January?

January 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!

Can you swim in Cagliari in January?

Swimming in Cagliari in January is challenging and not recommended for inexperienced swimmers or without proper equipment and preparation.

Is Cagliari rainy in January?

Cagliari is usually dry in January. Plan your packing around outdoor activities and exploring.

Is it sunny in Cagliari in January?

Usually, it’s not very sunny in Cagliari in January, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

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, 2023.

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.