December weather forecastMonaco, Monaco

December
Weather in December
December marks the peak of the winter season in Monaco, registering relatively low temperatures and 78mm (3.07") precipitation. The decrease in temperature, significant rainfall, and reduced daylight hours combine to create an authentic winter ambiance. While December is somewhat more bearable than November in terms of rainfall, the city experiences the year's shortest daylight hours, reinforcing the season's authentic sense of winter.Temperature
December experiences an average high-temperature of a mild 13.4°C (56.1°F), barely different from November's 16.1°C (61°F). December notes an average low temperature of 9.3°C (48.7°F), subtly down from the daytime highs.Rainfall
In December, the rain falls for 6 days. Throughout December, 78mm (3.07") of precipitation is accumulated. Throughout the year, there are 62.7 rainfall days, and 769mm (30.28") of precipitation is accumulated.Sea temperature
In December, the average sea temperature is 14.9°C (58.8°F).Note: Staying in 14.9°C (58.8°F) waters for just a few moments at 13°C (55.4°F) can be harrowing, and below 10°C (50°F) poses breathing and cold shock risks, depending on individual tolerance.
Daylight
The month with the shortest days in Monaco is December, with an average of 9h and 0min of daylight.On the first day of the month, sunrise is at 07:44 and sunset at 16:54. On the last day of December, sunrise is at 08:03 and sunset at 17:03 CET.
Sunshine
December has the least sunshine of the year, with an average of 4.6h of sunshine.Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Monaco, Monaco
- Average high temperature in December: 13.4°C
The warmest month (with the highest average high temperature) is August (25.9°C).
The month with the lowest average high temperature is January (12.3°C).
- Average low temperature in December: 9.3°C
The month with the highest average low temperature is August (21.5°C).
The coldest month (with the lowest average low temperature) is January (8.1°C).
Average rainfall in December
Monaco, Monaco
- Average rainfall in December: 77.5mm
The wettest month (with the highest rainfall) is October (108.2mm).
The driest month (with the least rainfall) is July (15.6mm).
Average rainfall days in December
Monaco, Monaco
- Average rainfall days in December: 6 days
The month with the highest number of rainy days is November (7 days).
The month with the least rainy days is July (1.9 days).
Average sea temperature in December
Monaco, Monaco
- Average sea temperature in December: 14.9°C
The best month for swimming (with the highest average sea temperature) is August (23.7°C).
The coldest month (with the lowest average sea temperature) is February (13.1°C).
Average daylight in December /
Average sunshine in December
Monaco, Monaco
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 4h and 36min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).








