Naples weather in January
January in Naples: cool, rainy, with very humid — a good time to visit.
#12 of 12 months in Naples · #345 of 604 destinations to visit in January · comfort 66/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Naples climate normals — January
| Daytime high | 12°C / 53°F | 🙂 cool |
|---|---|---|
| Nighttime low | 6°C / 43°F | |
| Feels like (high) | 10°C / 50°F | |
| Rainfall | 140 mm / 5.5 in | 🌧 rainy |
| Rainy days | 12 days | |
| Humidity | 79% | 💦 very humid |
| Dew point | 6°C / 42°F | |
| Sunshine | 6.8 h/day | |
| Daylight | 9.6 h | |
| Wind | 15 km/h / 9 mph | |
| Snowfall | 0.1 cm / 0 in | |
| Air quality (US AQI) | 54 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Naples?
Loading map…
Naples in January — FAQ
- Is January a good time to visit Naples?
- January in Naples: cool, rainy, with very humid — a good time to visit. It ranks #12 of 12 months for Naples on SeasonMap's comfort score (66/100).
- What is the weather like in Naples in January?
- In January, Naples averages a daily high of 11.9°C and a low of 5.9°C, with about 140.1 mm of rain over roughly 12.4 rainy days.
- What is the air quality in Naples in January?
- Naples has a mean US Air Quality Index of about 54 in January.