Genoa 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: May – September
What is the weather like in Genoa in December?
In December, Genoa is cool: daytime highs average 12 °C, and nights cool down to about 7 °C. The sea averages 15.8 °C – swimming is only for the hardy. The sun is scarce, with only about 4 hours a day. Rain falls on about 9 days, adding up to 83 mm. Snow falls on about 2 days. All in all, December is not an ideal month for a holiday in Genoa.
December compared
How the weather changes from November to January. Tap a month to open it.
| NovemberNov | DecemberDec | JanuaryJan | |
|---|---|---|---|
| Score | 50 | 39 | 38 |
| Day | 15° | 12° | 11° |
| Night | 11° | 7° | 6° |
| Sea | 18° | 16° | 14° |
| Sun | 4 h | 4 h | 4 h |
| Rain days | 11 | 9 | 8 |
More details for December
- Daylight
- 8 h 52 min07:53 – 16:45
- UV index
- 1 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 8 km/haverage daily peakAll months
- Cloud cover
- 61 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 2 days1 cm or more of fresh snowAll months
- Time zone
- UTC+1Europe/Rome
How the score comes together
- Temperatureweight 50 %35 %
- Sunshineweight 20 %8 %
- Few rainy daysweight 30 %66 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in December
- A jumper for the evenings
- Hat, scarf & gloves
- Rain jacket or umbrella
Genoa in December: quick answers
Is Genoa hot in December?
No. In December, Genoa is cool: daytime highs average 12 °C and nights drop to about 7 °C.
Can you swim in Genoa in December?
Only if you don't mind cold water: in December the sea averages just 15.8 °C. Comfortable swimming is possible from June to October.
Does it rain much in Genoa in December?
Rain falls on about 9 days, adding up to 83 mm.
Genoa month by month
The whole year in GenoaAll 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