Weather in Monaco for December 2025
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Until now, December 2025 in Monaco has been nearly identical to the historical average, with a temperature of 13.2 °C (showing only a slight deviation of 0.5 °C).
The forecast for the upcoming days in Monaco predicts a temperature of 14.3 °C, which is slightly above the historical average.
In general, the average temperature in Monaco at the beginning of December is 12.4 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 13.7 °C by the end of December.
Monaco experiences moderate rainfall in December, with an average of 9 rainy days and a total precipitation of 35.2 mm.
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Monaco Weather December
Temperatures trend during December in Monaco
December weather in Monaco day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. |  Light rain shower | 14° /11° | 4.1 mm | 3 | |
| 2 Dec. | Light rain shower | 14° /10° | 1.2 mm | 4 | |
| 3 Dec. | Patchy rain possible | 13° /10° | 0.6 mm | 3 | |
| 4 Dec. |  Light rain | 12° /9° | 3.6 mm | 3 | |
| 5 Dec. | Light rain shower | 11° /9° | 1.6 mm | 3 | |
| 6 Dec. |  Overcast | 11° /9° | 0 mm | 3 | |
| 7 Dec. | Overcast | 12° /9° | 2.1 mm | 3 | |
| 8 Dec. | Light rain | 12° /9° | 6.7 mm | 3 | |
| 9 Dec. | Patchy rain possible | 13° /10° | 0.2 mm | 3 | |
| 10 Dec. | Overcast | 13° /10° | 0 mm | 3 | |
| 11 Dec. |  Sunny | 13° /10° | 0.3 mm | 4 | |
| 12 Dec. | Sunny | 13° /11° | 0 mm | 4 | |
| 13 Dec. | Patchy rain possible | 14° /10° | 4 mm | 4 | |
| 14 Dec. |  Partly cloudy | 13° /10° | 0.9 mm | 4 | |
| 15 Dec. | Patchy rain possible | 15° /12° | 2.3 mm | 0.2 | |
| 16 Dec. |  Heavy rain | 13° /12° | 24.5 mm | 0 | |
| 17 Dec. | Patchy rain possible | 14° /12° | 2.1 mm | 0.1 | |
| 18 Dec. | Sunny | 15° /12° | 0 mm | 0.2 | |
| 19 Dec. |  Moderate rain | 16° /13° | 9 mm | 0 | |
| 20 Dec. | Partly cloudy | 14° /13° | 0 mm | 4 | |
| 21 Dec. | Patchy rain possible | 14° /13° | 0.4 mm | 3 | |
| 22 Dec. | Patchy rain possible | 14° /11° | 3 mm | 3 | |
| 23 Dec. | Patchy rain possible | 13° /11° | 0.2 mm | 3 | |
| 24 Dec. | Partly cloudy | 15° /12° | 0 mm | 4 | |
| 25 Dec. | Partly cloudy | 16° /13° | 0 mm | 4 | |
| 26 Dec. | Patchy rain possible | 13° /12° | 3.6 mm | 3 | |
| 27 Dec. | Patchy rain possible | 14° /12° | 1.6 mm | 3 | |
| 28 Dec. | Moderate rain | 14° /11° | 7.6 mm | 3 | |
| 29 Dec. |  Cloudy | 13° /10° | 0 mm | 3 | |
| 30 Dec. | Overcast | 13° /11° | 0.1 mm | 4 | |
| 31 Dec. | Patchy rain possible | 13° /10° | 0.1 mm | 3 | |
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Guide for Monaco in December
In Monaco, December marks the onset of the winter season, bringing relatively mild temperatures and occasional rainfall. At the beginning of the month, the weather in Monaco is generally cool, with average daytime temperatures around 13° and nighttime temperatures dropping to around 7°.
The region experiences a moderate amount of sunshine, with occasional cloudy days and light rain showers. As the month progresses, the temperatures tend to decrease slightly, with daytime highs averaging around 12° and nighttime lows around 5°.
The weather in Monaco during December is influenced by its Mediterranean climate, which typically results in relatively mild winters compared to other European destinations.
However, visitors should be prepared for cooler temperatures, especially in the evenings, and the possibility of intermittent rain showers.
Overall, December in Monaco offers a pleasant climate for exploring the city's attractions, enjoying outdoor activities, and experiencing the festive holiday atmosphere.
Whether strolling along the picturesque coastline or indulging in the city's renowned culinary scene, visitors can expect comfortable weather conditions for their winter getaway.
Monaco in December - FAQ
December rainfall patterns in Monaco
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