Casalnuovo di Napoli Weather in December

With daytime temperatures of 14°C (57°F) and nighttime lows of 8°C (46°F), December in Casalnuovo di Napoli brings moderate temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 150 mm (5.9 in) falls on average.

Rainfall in Casalnuovo di Napoli in December

Records from the past 30 years suggest around 15 days of rain, with 150 mm (5.9 in) average for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Casalnuovo di Napoli in December

Daytime highs in Casalnuovo di Napoli in December reach 14°C (57°F), with nights around 8°C (46°F). December is known for being in the winter season. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights fall to 8°C (46°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 Casalnuovo di Napoli in December

The area experiences a moderate amount of sunshine, with approximately 105 hours of sunlight expected. This means a decent mix of sun and overcast.

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.

If your ideal day consists of dry skies and pleasant temperatures, May, June, July and August typically offer the best circumstances for Casalnuovo di Napoli.

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 Casalnuovo di Napoli's climate page.

Casalnuovo di Napoli Temperature in December

Min Temperature 8°C (46°F)  

Max Temperature 14°C (57°F)  

Water Temperature 16°C (61°F) *  

Chance of Rain 49%  

Precipitation 150 mm (5.9 in)  

Rainy days 15 days  

Humidity 75% *  

Sunshine 105 hours *  

Percentage Sunshine *  

* Data from: Naples, Italy (10 KM, 6 Miles).

What to Wear in Casalnuovo di Napoli 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. Expect water temperatures of around 16°C (61°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Casalnuovo di Napoli 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

9/10

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 Casalnuovo di Napoli's climate page.

More climate data for Casalnuovo di Napoli

Temperature Rainfall Sunshine Humidity Water Temp

See the full Casalnuovo di Napoli climate overview or explore weather in Italy.