January weather forecast
Monte Carlo, Monaco

Monte Carlo, Monaco, greets the new year with generally mild and wet conditions. Notably, January is characterized by the lowest amount of daylight in the year, clocking in at a mere 9.4 hours. The city experiences frequent precipitation, leading to saturated soil and a generally damp atmosphere. Despite the chilly air currents from the north, the city's coastal location aids temperature regulation and prevents the climate from dropping to extreme cold levels. To enjoy the city's glamorous offerings, packing a raincoat and dressing in layers is deemed wise for January visitors.

Temperature

January is the coldest month of the year, registering average temperatures as high as 12.5°C (54.5°F) and as low as 4.9°C (40.8°F).

Rainfall

In Monte Carlo, in January, it is raining for 6.8 days, with typically 83mm (3.27") of accumulated precipitation. Throughout the year, in Monte Carlo, Monaco, there are 62.7 rainfall days, and 769mm (30.28") of precipitation is accumulated.

Sea temperature

In January, the average sea temperature in Monte Carlo is 13.5°C (56.3°F).
Note: You can swim in 13.5°C (56.3°F) below 10°C (50°F) with proper thermal wear; failing that, the cold shock and respiratory challenges are nearly certain. A short span at 13°C (55.4°F) without it is tough.

Daylight

In Monte Carlo, the average length of the day in January is 9h and 22min.
On the first day of January in Monte Carlo, sunrise is at 08:03 and sunset at 17:03. On the last day of the month, sunrise is at 07:48 and sunset at 17:38 CET.

Sunshine

In Monte Carlo, Monaco, the average sunshine in January is 4.8h.

UV index

The months with the lowest UV index in Monte Carlo are January and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the average person.
Note: The maximum UV index, 1 during January, leads to the following recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.