Cagliari weather in January
January in Cagliari: cool, a little rain, with clean air — a good time to visit.
#12 of 12 months in Cagliari · #598 of 897 destinations to visit in January · comfort 62/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Cagliari in January
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Cagliari climate normals — January
| Daytime high | 13°C / 56°F | 🙂 cool |
|---|---|---|
| Nighttime low | 7°C / 44°F | |
| Rainfall | 42 mm / 1.6 in | 🌦 some rain |
| Rainy days | 8 days | |
| Humidity | 81% | 💦 very humid |
| Dew point | 6°C / 43°F | |
| Sunshine | 8 h/day | |
| Daylight | 9.8 h | |
| Wind | 21 km/h / 13 mph | |
| Air quality (US AQI) | 37 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Cagliari in January — FAQ
- Is January a good time to visit Cagliari?
- January in Cagliari: cool, a little rain, with clean air — a good time to visit. It ranks #12 of 12 months for Cagliari on SeasonMap's comfort score (62/100).
- What is the weather like in Cagliari in January?
- In January, Cagliari averages a daily high of 13.3°C and a low of 6.8°C, with about 41.6 mm of rain over roughly 8.4 rainy days.
- What is the air quality in Cagliari in January?
- Cagliari has a mean US Air Quality Index of about 37 in January.