Naples weather in December 2025

Expect daytime maximum temperatures of 13°C in Naples, Campania in December based on long-term weather averages. There are 3 hours of sunshine per day on average with 15 days with some rainfall and typically 112 mm of rainfall in the month.

  • 13°C maximum daytime temperature in December in Naples13
    13°C max day temperature
  • 3 hours of sunshine per day
  • 15 days with some rainfall in December in Naples15
    15 days with some rainfall
  • 5°C minimum night-time temperature in December in Naples5
    5°C min night temperature
  • 9 hours of daylight per day in December in Naples9
    9 hours of daylight per day
  • No heat & humidity in December in Naples0
    No heat & humidity
  • 112 mm monthly rainfall in December in Naples112
    112 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in December in Naples1
    1 (Low) UV index
  • 17°C sea temperature in December in Naples17
    17°C sea temperature

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The December weather guide for Campania (Naples) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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More about the Campania

How warm is it in Naples in December?

Daytime temperatures usually reach 13°C in Naples in December, falling to 5°C at night.

How sunny is it in Naples in December?

There are normally 3 hours of bright sunshine each day in Naples in December - that's 37% of daylight hours.

How warm is the sea around Naples in December?

The average sea temperature around Naples in December is 17°C.

Does it rain in Naples in December?

There are usually 15 days with some rain in Naples in December and the average monthly rainfall is 112mm.

Naples December sunrise & sunset times

Browse the sunrise and sunset times for Naples in December 2025. Select a month to view Naples sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 07:08 16:36
Tuesday, 16th December 2025 07:21 16:36
Wednesday, 31st December 2025 07:27 16:45

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