Sliema weather in December 2025

Expect daytime maximum temperatures of 17°C in Sliema, Malta in December based on long-term weather averages. There are 5 hours of sunshine per day on average with 13 days with some rainfall and typically 99 mm of rainfall in the month.

  • 17°C maximum daytime temperature in December in Sliema17
    17°C max day temperature
  • 5 hours of sunshine per day
  • 13 days with some rainfall in December in Sliema13
    13 days with some rainfall
  • 11°C minimum night-time temperature in December in Sliema11
    11°C min night temperature
  • 10 hours of daylight per day in December in Sliema10
    10 hours of daylight per day
  • No heat & humidity in December in Sliema0
    No heat & humidity
  • 99 mm monthly rainfall in December in Sliema99
    99 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in December in Sliema2
    2 (Low) UV index
  • 18°C sea temperature in December in Sliema18
    18°C sea temperature

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The December weather guide for Malta (Sliema) 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 Malta

How warm is it in Sliema in December?

Daytime temperatures usually reach 17°C in Sliema in December, falling to 11°C at night.

How sunny is it in Sliema in December?

There are normally 5 hours of bright sunshine each day in Sliema in December - that's 51% of daylight hours.

How warm is the sea around Sliema in December?

The average sea temperature around Sliema in December is 18°C.

Does it rain in Sliema in December?

There are usually 13 days with some rain in Sliema in December and the average monthly rainfall is 99mm.

Sliema December sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 06:54 16:48
Tuesday, 16th December 2025 07:06 16:50
Wednesday, 31st December 2025 07:12 16:58

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