Castellammare di Stabia weather in December
Temperature, sea and sunshine in December: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in December
Poor
Best time to visit: June – September
What is the weather like in Castellammare di Stabia in December?
In December, Castellammare di Stabia is cool: daytime highs average 13 °C, and nights cool down to about 8 °C. The sea averages 17.1 °C – bracing, so a wetsuit helps for longer swims. Expect around 5 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 151 mm in total. All in all, December is not an ideal month for a holiday in Castellammare di Stabia.
December compared
How the weather changes from November to January. Tap a month to open it.
| NovemberNov | DecemberDec | JanuaryJan | |
|---|---|---|---|
| Score | 21 | 13 | 14 |
| Day | 17° | 13° | 12° |
| Night | 11° | 8° | 6° |
| Sea | 20° | 17° | 15° |
| Sun | 5 h | 5 h | 5 h |
| Rain days | 14 | 13 | 13 |
More details for December
- Daylight
- 9 h 17 min07:19 – 16:36
- UV index
- 1 · 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
- 55 %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 %1 %
- Sunshineweight 20 %25 %
- Few rainy daysweight 20 %36 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in December
- A jumper for the evenings
- Rain jacket or umbrella
Castellammare di Stabia in December: quick answers
Is Castellammare di Stabia hot in December?
No. In December, Castellammare di Stabia is cool: daytime highs average 13 °C and nights drop to about 8 °C.
Can you swim in Castellammare di Stabia in December?
Only if you don't mind cold water: in December the sea averages just 17.1 °C. Comfortable swimming is possible from June to October.
Does it rain much in Castellammare di Stabia in December?
Rain is frequent, with about 13 rainy days and 151 mm in total.
Castellammare di Stabia month by month
The whole year in Castellammare di StabiaAll destinations: ItalyWhere to go in DecemberSea temperature in December
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