Civitavecchia 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 Civitavecchia in December?
In December, Civitavecchia is cool: daytime highs average 13 °C, and nights cool down to about 8 °C. The sea averages 16.2 °C – swimming is only for the hardy. Expect around 5 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 116 mm in total. All in all, December is not an ideal month for a holiday in Civitavecchia.
December compared
How the weather changes from November to January. Tap a month to open it.
| NovemberNov | DecemberDec | JanuaryJan | |
|---|---|---|---|
| Score | 20 | 14 | 17 |
| Day | 16° | 13° | 12° |
| Night | 12° | 8° | 7° |
| Sea | 19° | 16° | 15° |
| Sun | 5 h | 5 h | 5 h |
| Rain days | 14 | 12 | 11 |
More details for December
- Daylight
- 9 h 8 min07:34 – 16:42
- UV index
- 1 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 25 km/haverage daily peakAll months
- Cloud cover
- 52 %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 %30 %
- Few rainy daysweight 20 %42 %
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
Civitavecchia in December: quick answers
Is Civitavecchia hot in December?
No. In December, Civitavecchia is cool: daytime highs average 13 °C and nights drop to about 8 °C.
Can you swim in Civitavecchia in December?
Only if you don't mind cold water: in December the sea averages just 16.2 °C. Comfortable swimming is possible from June to October.
Does it rain much in Civitavecchia in December?
Rain is frequent, with about 12 rainy days and 116 mm in total.
Civitavecchia month by month
The whole year in CivitavecchiaAll 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