Islantilla weather in December 2025

Expect 16°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Islantilla in December based on long-term weather averages. There is usually 13 days with some rainfall and 87 mm of average monthly rainfall in December.

  • 16°C maximum daytime temperature in December in Islantilla16
    16°C max day temperature
  • 5 hours of sunshine per day
  • 13 days with some rainfall in December in Islantilla13
    13 days with some rainfall
  • 8°C minimum night-time temperature in December in Islantilla8
    8°C min night temperature
  • 10 hours of daylight per day in December in Islantilla10
    10 hours of daylight per day
  • No heat & humidity in December in Islantilla0
    No heat & humidity
  • 87 mm monthly rainfall in December in Islantilla87
    87 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in December in Islantilla2
    2 (Low) UV index
  • 17°C sea temperature in December in Islantilla17
    17°C sea temperature

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The December weather guide for Costa de la Luz (Islantilla) 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 de la Luz

How warm is it in Islantilla in December?

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

How sunny is it in Islantilla in December?

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

How warm is the sea around Islantilla in December?

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

Does it rain in Islantilla in December?

There are usually 13 days with some rain in Islantilla in December and the average monthly rainfall is 87mm.

Islantilla December sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 08:24 18:12
Tuesday, 16th December 2025 08:36 18:13
Wednesday, 31st December 2025 08:43 18:22

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