Castellammare di Stabia weather in January
Temperature, sea and sunshine in January: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in January
Poor
Best time to visit: June – September
What is the weather like in Castellammare di Stabia in January?
In January, Castellammare di Stabia is cool: daytime highs average 12 °C, and nights cool down to about 6 °C. The sea averages 15.3 °C – swimming is only for the hardy. Expect around 5 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 139 mm in total. All in all, January is not an ideal month for a holiday in Castellammare di Stabia.
January compared
How the weather changes from December to February. Tap a month to open it.
| DecemberDec | JanuaryJan | FebruaryFeb | |
|---|---|---|---|
| Score | 13 | 14 | 18 |
| Day | 13° | 12° | 13° |
| Night | 8° | 6° | 6° |
| Sea | 17° | 15° | 14° |
| Sun | 5 h | 5 h | 6 h |
| Rain days | 13 | 13 | 11 |
More details for January
- Daylight
- 9 h 33 min07:24 – 16:57
- UV index
- 2 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 20 km/haverage daily peakAll months
- Cloud cover
- 56 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Time zone
- UTC+1Europe/Rome
How the score comes together
- Temperatureweight 35 %0 %
- Seaweight 25 %0 %
- Sunshineweight 20 %33 %
- Few rainy daysweight 20 %37 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in January
- A jumper for the evenings
- Rain jacket or umbrella
Castellammare di Stabia in January: quick answers
Is Castellammare di Stabia hot in January?
No. In January, Castellammare di Stabia is cool: daytime highs average 12 °C and nights drop to about 6 °C.
Can you swim in Castellammare di Stabia in January?
Only if you don't mind cold water: in January the sea averages just 15.3 °C. Comfortable swimming is possible from June to October.
Does it rain much in Castellammare di Stabia in January?
Rain is frequent, with about 13 rainy days and 139 mm in total.
Castellammare di Stabia month by month
The whole year in Castellammare di StabiaAll destinations: ItalyWhere to go in JanuarySea temperature in January
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences