Naples Weather in December
Naples in December averages 15°C (59°F) during the day and 10°C (50°F) at night. This is part of the winter season, and quite a bit of rainfall is expected this month.
Rainfall in Naples in December
Typically, about 15 days will experience rainfall, with an average of 154 mm (6.1 in) for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.
Temperature in Naples in December
Naples in December gets highs of 15°C (59°F) during the day and drops to 10°C (50°F) at night. December is known for being in the winter season. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights fall to 10°C (50°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.
Sunshine in Naples in December
The city usually sees around 105 hours of sunlight, indicating a moderately sunny period.
Average water temperature in December
The water temperature is 16°C (61°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.Should you favor a climate that's both dry and comfortably warm, May, June, July, August and September typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Italy, check out our Naples's climate page.
Naples Temperature in December
Min Temperature
10°C (50°F)
Max Temperature
15°C (59°F)
Water Temperature
16°C (61°F)
Chance of Rain
50%
Precipitation
154 mm (6.1 in)
Rainy days
15 days
Humidity
75%
Sunshine
105 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Naples typically stay consistent throughout December, with daily highs averaging around 15°C (59°F). Nights are cold, with lows typically ranging from 5°C (41°F) to 8°C (46°F).
Average temperatures in 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
Historical weather for Naples in December
Browse day-by-day weather records for Naples spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Naples historical weather extremes in December
According to our 49 years of weather records for Naples, the following extremes were recorded between 1976 and 2025.
- Naples recorded its highest December temperature of 23°C (73°F) on December 18, 1989.
- The coldest December day was on December 15, 2007, with a maximum of 2°C (36°F).
- The coldest night in December in Naples was on December 16, 1988, with a minimum of -4°C (25°F).
Best Places in Italy in December
Find out more about the weather in Italy and which places have the best travel conditions in this month. See all of Italy in December →
perfect weather
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tolerable
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What to Wear in Naples in December
Pack for changing conditions in Naples in December. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! With water temperatures around 16°C (61°F), the water is quite cold for swimming. You can skip the swimwear unless you're particularly tough. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Naples in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Italy, check out our Naples's climate page.
Temperature Rainfall Sunshine Humidity Water Temp
See the full Naples climate overview or explore weather in Italy.
