December · Italy
Best time to visit Cagliari in December Weather, crowds & prices
Weather in Cagliari in December
Average temperature 15°C, 248 mm of rain, about 0 days with 6+ hours of sunshine and 78% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
December score
0.5/10
Ranked #12 of 12 months
- Avg temp
- 15°C
- Rainfall
- 248 mm
- Humidity
- 78%
- Days with 6h+ sun
- 0
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
December in Cagliari scores 0.5/10 for beach and coastal travel - ranked #12 of 12. Expect around 15°C, 248 mm of rain, and roughly 0 days with 6+ hours of sunshine this month.
Sardinia's hilltop capital pairs Castello ramparts with Poetto beach best from May through October, when warm seas and breezy evenings frame the Gulf of Cagliari.
December in Cagliari — off-season conditions
December averages 15°C (59°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
248 mm of rain puts this in monsoon territory — almost no days with 6+ hours of sunshine across the whole month, and multi-day washouts are normal.
It scores 0.5/10 here, 12th of 12 months, against 9.9/10 in the destination's best month.
Pack layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella.
Figure on low-season pricing, with crowds are light for this destination.
Flexible dates? July scores 9.4 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Cagliari in December?
- In December, Cagliari averages 15°C, 248 mm of rain, and about 0 days with 6+ hours of sunshine. Its climate-comfort score is 0.5/10.
- Is December a good time to visit Cagliari?
- December earns a 0.5/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Cagliari in December?
- Expect about 248 mm of rain in December. Average humidity is 78% and there are about 0 days with 6+ hours of sunshine.
Curated in Cagliari
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Cagliari, Italy. Live activities and tours from GetYourGuide, matched to this destination.