Genoa Weather in December

In Genoa, December brings low daytime temperatures around 11°C (52°F), with nights cooling to 6°C (43°F). Expect quite a bit of rainfall this month.

Rainfall in Genoa in December

You can typically expect 10 days of rain this month, averaging around 125 mm (4.9 in). When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Genoa in December

December in Genoa sees highs of 11°C (52°F) and lows of 6°C (43°F) overnight. Experience the winter season in December. Temperatures remain on the cold side all day. A proper warm jacket is worth having, not just for evenings. With lows around 6°C (43°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Genoa in December

The area enjoys a moderate level of sunlight, with around 112 hours. It's a good balance between sunny and cloudy days.

Wind Speed in Genoa in December

Wind speeds average 6 m/s (12 knots) during December. At this speed, expect strong winds that make large branches move and create some resistance when walking. Since this is an average, some days have fresh winds while others have strong breezes that can make umbrellas tricky to control.

Average water temperature in December

The water temperature is 14°C (57°F) — chilly, but perfectly fine for a swim if you're not too sensitive to cold water. A short wetsuit can make longer sessions more comfortable.

If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Genoa. Our weather planner can help you explore destinations with more pleasant weather conditions.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Italy, check out our Genoa's climate page.

Genoa Temperature in December

Min Temperature 6°C (43°F)  

Max Temperature 11°C (52°F)  

Water Temperature 14°C (57°F) *  

Chance of Rain 35%  

Precipitation 125 mm (4.9 in)  

Rainy days 10 days  

Humidity 64% *  

Windspeed 6 m/s (12 knots) *  

Sunshine 112 hours *  

Percentage Sunshine *  

* Data from: Genua, Italy (7 KM, 4 Miles).

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Genoa typically stay consistent throughout December, with daily highs averaging around 11°C (52°F). Nights are cold, with lows typically ranging from 5°C (41°F) to 7°C (45°F).

Average temperatures in December

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‹ January February March April May June July August September October November December ›

Daily Historical Precipitation

50-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in December

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‹ January February March April May June July August September October November December ›

Historical weather for Genoa in December

Browse day-by-day weather records for Genoa spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Historical weather Temperatures Precipitation

‹ 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979 1978 1977 ›

‹ January February March April May June July August September October November December ›

Genoa historical weather extremes in December

Our historical data for Genoa spans 1976 to 2025, revealing these weather extremes.

• On December 27, 2016, temperatures climbed to 21°C (70°F), marking the warmest December day on record.
• Genoa experienced its chilliest December day on December 29, 1996, reaching only 1°C (34°F).
• The lowest overnight temperature recorded in December was -9°C (16°F) (December 29, 1996).
• The heaviest December precipitation occurred on December 11, 2017, when 86 mm (3.4 in) of precipitation fell.

What to Wear in Genoa in December

The weather can swing between comfortable and chilly in December, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. Expect heavy rainfall, so bring good rain protection and waterproof bags. With water temperatures around 14°C (57°F), the water is quite cold for swimming. You can skip the swimwear unless you're particularly tough. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Genoa in December

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

5/10

Cycling

5/10

Walking

5/10

Camping

3/10

Outdoor sports

5/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Italy, check out our Genoa's climate page.

More climate data for Genoa

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Genoa climate overview or explore weather in Italy.