Weather in Genoa for December 2025
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So far, December 2025 in Genoa is slightly warmer than the historical average by 1.9 °C.
The forecast for the next days in Genoa predicts temperatures to be around 10 °C, close to the historical average.
In general, the average temperature in Genoa at the beginning of December is 9.4 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 9.9 °C by the end of December.
The climate of Genoa in December is notably wet, with an average of 14 rainy days, and a total of 69.3 mm of precipitation.
Is December a good time to visit Genoa? check out the best time to travel to Genoa page.
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Genoa Weather December
Temperatures trend during December in Genoa
December weather in Genoa day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. |  Light rain shower | 11° /5° | 5.4 mm | 3 | |
| 2 Dec. |  Overcast | 10° /5° | 3.5 mm | 3 | |
| 3 Dec. |  Sunny | 9° /4° | 5.6 mm | 3 | |
| 4 Dec. |  Light drizzle | 8° /4° | 6.7 mm | 2 | |
| 5 Dec. | Patchy rain possible | 9° /4° | 1.2 mm | 3 | |
| 6 Dec. | Sunny | 9° /3° | 0 mm | 3 | |
| 7 Dec. |  Partly cloudy | 10° /3° | 2.9 mm | 3 | |
| 8 Dec. |  Moderate or heavy rain shower | 8° /2° | 8.6 mm | 2 | |
| 9 Dec. | Sunny | 8° /3° | 3.4 mm | 3 | |
| 10 Dec. | Patchy rain possible | 9° /4° | 0.4 mm | 2 | |
| 11 Dec. | Patchy rain possible | 9° /3° | 0.3 mm | 3 | |
| 12 Dec. | Sunny | 10° /3° | 0.5 mm | 3 | |
| 13 Dec. | Sunny | 10° /4° | 1.9 mm | 3 | |
| 14 Dec. | Partly cloudy | 10° /3° | 0 mm | 4 | |
| 15 Dec. | Patchy rain possible | 12° /5° | 3.1 mm | 0.2 | |
| 16 Dec. |  Heavy rain | 7° /6° | 31.4 mm | 0 | |
| 17 Dec. |  Moderate rain | 11° /7° | 5.1 mm | 0.1 | |
| 18 Dec. | Patchy rain possible | 11° /9° | 0.8 mm | 0.1 | |
| 19 Dec. | Moderate rain | 10° /8° | 5.7 mm | 0 | |
| 20 Dec. | Partly cloudy | 11° /9° | 0 mm | 3 | |
| 21 Dec. |  Cloudy | 11° /9° | 0 mm | 2 | |
| 22 Dec. | Patchy rain possible | 10° /8° | 3.3 mm | 2 | |
| 23 Dec. | Patchy rain possible | 10° /9° | 0.8 mm | 2 | |
| 24 Dec. | Patchy rain possible | 11° /10° | 0.1 mm | 3 | |
| 25 Dec. | Patchy rain possible | 11° /8° | 1.8 mm | 2 | |
| 26 Dec. | Moderate rain | 8° /6° | 6.9 mm | 2 | |
| 27 Dec. | Sunny | 10° /5° | 0 mm | 3 | |
| 28 Dec. | Patchy rain possible | 6° /1° | 4.2 mm | 1 | |
| 29 Dec. | Sunny | 11° /6° | 0.7 mm | 3 | |
| 30 Dec. | Overcast | 11° /5° | 0.2 mm | 3 | |
| 31 Dec. | Overcast | 12° /6° | 0.8 mm | 3 | |
| Next | |||||
Genoa weather in December vs November vs January
| November | December | January | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 13°/8° | 9°/4° | 9°/4° |
| Rainfall | 94 mm | 69 mm | 95 mm |
| Wind | 13.8 km/h | 13.2 km/h | 13.9 km/h |
| Humidity | 78% | 79% | 78% |
| Rainy days | 18 days | 14 days | 19 days |
| Dry days | 12 days | 17 days | 12 days |
Planning a trip to Genoa? Discover the best time to visit
Genoa in December - FAQ
Genoa water temperatures in December
The average water temperature of the Mediterranean Sea near Genoa in December is 16.6 °C. Temperatures remain fairly consistent throughout the month.
- What is the water temperature in Genoa in December?
- The average water temperature in Genoa in December is 16.6 °C.
- Can you swim in Genoa in December?
- Brisk: quick dips and active swimming are fine, but pack a 2–3 mm spring suit if you plan longer sessions or early-morning outings.
What to pack to Genoa in December?
As you prepare for your trip to Genoa in December, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Genoa, during December, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
- Umbrellas/Raincoats: For rainy days
December rainfall patterns in Genoa
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