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Weather in Napoli for December 2025

Your guide to Napoli weather in December - trends and predictions

    Temperatures

  • Until now, December 2025 in Napoli has been nearly identical to the historical average, with a temperature of 14.5 °C (showing only a slight deviation of 0 °C).

  • The forecast for the next days in Napoli predicts temperatures to be around 15 °C, close to the historical average.

  • In general, the average temperature in Napoli at the beginning of December is 14.6 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 13.4 °C by the end of December.

    • Rain 🌧️

  • Napoli experiences heavy rainfall in December, with over 20 rainy days and an average total precipitation 148.9 mm.

    • More

  • Is December a good time to visit Napoli? check out the best time to travel to Napoli page.

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
7
Dry days
Average rainy days
24
Rainy days
Average snowy days
0
Snow days
Average temperatures
14°/10°
Temperatures
Average wind speed
16 km/h
Avg max wind
Average humidity
67 %
Avg humidity

Napoli Weather December

Move between months or click on a day
November
January
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Partly cloudy
15°
2
Light rain shower
15°
3
Heavy rain at times
14°
4
Patchy rain possible
15°
5
Moderate or heavy rain shower
15°
6
Patchy rain possible
14°
7
Sunny
14°
8
Moderate or heavy rain shower
15°
9
Moderate or heavy rain shower
15°
10
Heavy rain at times
14°
11
Patchy rain possible
14°
12
Patchy rain possible
14°
13
Patchy rain possible
14°
14
Sunny
15°
15
Patchy rain possible
15°
16
Sunny
15°
17
Patchy rain possible
17°
18
Overcast
16°
19
Sunny
17°
20
Sunny
16°
21
Partly cloudy
15°
22
Sunny
15°
23
Patchy rain possible
15°
24
Moderate rain
15°
25
Patchy rain possible
15°
26
Patchy rain possible
13°
27
Patchy rain possible
13°
28
Patchy rain possible
14°
29
Patchy rain possible
13°
30
Partly cloudy
11°
31
Patchy rain possible
15°

Temperatures trend during December in Napoli

See the weather trend as well as the moving average line

December weather in Napoli day by day

Click on a date for more information
November January
Date Weather Temperatures Rain UV More
1 Dec. Partly cloudy
Partly cloudy
 15° /11° 0.9 mm 4
2 Dec. Light rain shower
Light rain shower
 15° /11° 13.3 mm 4
3 Dec. Heavy rain at times
Heavy rain at times
 14° /11° 7.8 mm 4
4 Dec. Patchy rain possible
Patchy rain possible
 15° /10° 7.3 mm 3
5 Dec. Moderate or heavy rain shower
Moderate or heavy rain shower
 15° /10° 7.4 mm 4
6 Dec. Patchy rain possible
Patchy rain possible
 14° /10° 2.3 mm 3
7 Dec. Sunny
Sunny
 14° /9° 0.4 mm 4
8 Dec. Moderate or heavy rain shower
Moderate or heavy rain shower
 15° /9° 11.3 mm 4
9 Dec. Moderate or heavy rain shower
Moderate or heavy rain shower
 15° /11° 10.9 mm 4
10 Dec. Heavy rain at times
Heavy rain at times
 14° /10° 10.1 mm 4
11 Dec. Patchy rain possible
Patchy rain possible
 14° /9° 6.5 mm 3
12 Dec. Patchy rain possible
Patchy rain possible
 14° /9° 0.2 mm 4
13 Dec. Patchy rain possible
Patchy rain possible
 14° /9° 3.6 mm 4
14 Dec. Sunny
Sunny
 15° /9° 10 mm 4
15 Dec. Patchy rain possible
Patchy rain possible
 15° /9° 1.5 mm 4
16 Dec. Sunny
Sunny
 15° /9° 2.4 mm 4
17 Dec. Patchy rain possible
Patchy rain possible
 17° /14° 2.4 mm 0.3
18 Dec. Overcast
Overcast
 16° /14° 0 mm 0.2
19 Dec. Sunny
Sunny
 17° /13° 0 mm 0.2
20 Dec. Sunny
Sunny
 16° /12° 0 mm 0.3
21 Dec. Partly cloudy
Partly cloudy
 15° /12° 0 mm 0.4
22 Dec. Sunny
Sunny
 15° /12° 0 mm 4
23 Dec. Patchy rain possible
Patchy rain possible
 15° /13° 4.8 mm 3
24 Dec. Moderate rain
Moderate rain
 15° /13° 5.2 mm 3
25 Dec. Patchy rain possible
Patchy rain possible
 15° /12° 0.3 mm 3
26 Dec. Patchy rain possible
Patchy rain possible
 13° /12° 2 mm 3
27 Dec. Patchy rain possible
Patchy rain possible
 13° /12° 1.3 mm 3
28 Dec. Patchy rain possible
Patchy rain possible
 14° /11° 0.6 mm 3
29 Dec. Patchy rain possible
Patchy rain possible
 13° /10° 5 mm 3
30 Dec. Partly cloudy
Partly cloudy
 11° /8° 0 mm 3
31 Dec. Patchy rain possible
Patchy rain possible
 15° /9° 0.4 mm 4
Next
Important Notice
Our weather forecast for Napoli in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Napoli forecast closer to your planned date for the most up-to-date weather information.
Change Month
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Napoli weather in December vs November vs January

Compare December weather in Napoli with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
NovemberDecemberJanuary
WeatherPatchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Temperatures18°/13°14°/10°13°/8°
Rainfall238 mm149 mm148 mm
Wind18.6 km/h15.8 km/h17.7 km/h
Humidity66%67%67%
Rainy days28 days24 days26 days
Dry days2 days7 days5 days

Planning a trip to Napoli? Discover the best time to visit

Napoli in December - FAQ

What are the expected maximum and minimum temperatures in Napoli during December?
During December, expect a variety of temperatures with highs around 14° and lows near 10°, suitable for diverse activities and preferences.
How much rainfall should be expected in Napoli during December?
Significant rainfall exceeding 148.9 mm is expected in Napoli during December, occurring over more than 24 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Napoli during December?
The average wind speed in Napoli during December is 16 km/h, suggesting breezy to windy conditions, depending on your activities.

Napoli water temperatures in December

The average water temperature of the Mediterranean Sea near Napoli in December is 17.8 °C. At the beginning of December temperatures are around 17.8 °C; by the end of the month they get a bit cooler and reach 17 °C.

What is the water temperature in Napoli in December?
The average water temperature in Napoli in December is 17.8 °C.
Can you swim in Napoli 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 Napoli in December?

As you prepare for your trip to Napoli 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 Napoli, 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 Napoli

Explore the daily rainfall trends and prepare for Napolis December weather 💧
Typically, Napoli has 24 rainy days in December with a total of 148.9 mm of rainfall.
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