Monaco weather in December 2025

Expect 52°F daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Monaco in December. Check more long-term weather averages for Monaco in December before you book your next holiday to Monaco in 2025/2026.

  • 52°F maximum daytime temperature in December in Monaco (Monte-Carlo)52
    52°F max day temperature
  • 5 hours of sunshine per day
  • 9 days with some rainfall in December in Monaco (Monte-Carlo)9
    9 days with some rainfall
  • 39°F minimum night-time temperature in December in Monaco (Monte-Carlo)39
    39°F min night temperature
  • 9 hours of daylight per day in December in Monaco (Monte-Carlo)9
    9 hours of daylight per day
  • No heat & humidity in December in Monaco (Monte-Carlo)0
    No heat & humidity
  • 3.0 inches monthly rainfall in December in Monaco (Monte-Carlo)3.0
    3.0 inches of monthly rainfall
  • UV (maximum) index 1 (Low) in December in Monaco (Monte-Carlo)1
    1 (Low) UV index
  • 59°F sea temperature in December in Monaco (Monte-Carlo)59
    59°F sea temperature

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The December weather guide for Monaco, represented by Monte-Carlo, (Monte-Carlo) 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)  |  Imperial (°F)

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How warm is it in Monaco in December?

Daytime temperatures usually reach 52°F in Monte-Carlo, Monaco in December, falling to 39°F at night.

How sunny is it in Monaco in December?

There are normally 5 hours of bright sunshine each day in Monte-Carlo, Monaco in December - that's 52% of daylight hours.

How warm is the sea around Monaco in December?

The average sea temperature around Monte-Carlo, Monaco in December is 59°F.

Does it rain in Monaco in December?

There are usually 9 days with some rain in Monte-Carlo, Monaco in December and the average monthly rainfall is 3.0 inches.

Monaco December sunrise & sunset times

Browse the sunrise and sunset times for Monaco in December 2025. Select a month to view Monaco sunrise and sunset times for the next 12 months. The Monaco sunrise and sunset times shown below are for Monte-Carlo.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 07:44 16:54
Tuesday, 16th December 2025 07:58 16:54
Wednesday, 31st December 2025 08:04 17:03

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