Cartagena weather in December 2025

Expect daytime maximum temperatures of 16°C in Cartagena, Costa Blanca in December based on long-term weather averages. There are 5 hours of sunshine per day on average with 12 days with some rainfall.

  • 16°C maximum daytime temperature in December in Cartagena16
    16°C max day temperature
  • 5 hours of sunshine per day
  • 12 days with some rainfall in December in Cartagena12
    12 days with some rainfall
  • 8°C minimum night-time temperature in December in Cartagena8
    8°C min night temperature
  • 10 hours of daylight per day in December in Cartagena10
    10 hours of daylight per day
  • No heat & humidity in December in Cartagena0
    No heat & humidity
  • 36 mm monthly rainfall in December in Cartagena36
    36 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in December in Cartagena2
    2 (Low) UV index
  • 16°C sea temperature in December in Cartagena16
    16°C sea temperature

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The December weather guide for Costa Blanca (Cartagena) 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 Costa Blanca

How warm is it in Cartagena in December?

Daytime temperatures usually reach 16°C in Cartagena in December, falling to 8°C at night.

How sunny is it in Cartagena in December?

There are normally 5 hours of bright sunshine each day in Cartagena in December - that's 53% of daylight hours.

How warm is the sea around Cartagena in December?

The average sea temperature around Cartagena in December is 16°C.

Does it ever rain in Cartagena in December?

There are usually 12 days with some rain in Cartagena in December and the average monthly rainfall is 36mm.

Cartagena December sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 08:00 17:46
Tuesday, 16th December 2025 08:12 17:47
Wednesday, 31st December 2025 08:19 17:56

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