Cagliari Weather in January
Thinking of visiting Cagliari in January? Expect moderate temperatures reaching 15°C (59°F) during the day, dropping to 7°C (45°F) at night, with some rainfall likely.
Rainfall in Cagliari in January
You can expect rain on around 14 days based on historical patterns, with 41 mm (1.6 in) average for the month. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.
Temperature in Cagliari in January
Daytime temperatures in Cagliari reach 15°C (59°F) in January, dropping to 7°C (45°F) at night. January is typically considered a winter month. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights drop to 7°C (45°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet. During this period, the city experiences its coolest temperatures annually.
Sunshine in Cagliari in January
The month brings about 151 hours of sunlight, offering a comfortable mix of sun and overcast.
Average water temperature in January
The water is 14°C (57°F) this month — cool enough to feel refreshing on a warm day, but cold enough that most people won't stay in for long without a wetsuit.If you prefer dry days with pleasant temperatures, January may not be the ideal month to visit Cagliari. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Sardinia, check out our Cagliari's climate page.
Cagliari Temperature in January
Min Temperature
7°C (45°F)
Max Temperature
15°C (59°F)
Water Temperature
14°C (57°F)
Chance of Rain
45%
Precipitation
41 mm (1.6 in)
Rainy days
14 days
Humidity
79%
Sunshine
151 hours
Percentage Sunshine
42%
Daily Historical Temperatures
51-year average (1976-2026)
Based on our historical records, temperatures in Cagliari typically stay consistent throughout January, with daily highs averaging around 15°C (59°F). Nights are cold, with lows around 6°C (43°F).
Average temperatures in January
Daily Historical Precipitation
51-year average (1976-2026)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in January
Historical weather for Cagliari in January
Browse day-by-day weather records for Cagliari spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Cagliari historical weather extremes in January
According to our 49 years of weather records for Cagliari, the following extremes were recorded between 1976 and 2025.
- On January 28, 2025, temperatures climbed to 21°C (70°F), marking the warmest January day on record.
- The lowest daytime temperature in January was 2°C (36°F), recorded on January 3, 1993.
- The lowest overnight temperature recorded in January was -4°C (25°F) (January 10, 1981).
Best Places in Sardinia in January
Find out more about the weather in Sardinia and which places have the best travel conditions in this month. See all of Sardinia in January →
perfect weather
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What to Wear in Cagliari in January
Pack for changing conditions in Cagliari in January. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Rain gear is recommended, you can expect wet weather on multiple days. Expect water temperatures of around 14°C (57°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Cagliari in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Sardinia, check out our Cagliari's climate page.
Temperature Rainfall Sunshine Humidity Water Temp
See the full Cagliari climate overview or explore weather in Sardinia.
