Monaco weather in January
Temperature, sea and sunshine in January: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in January
Fair
Best time to visit: April – October
What is the weather like in Monaco in January?
In January, Monaco is cool: daytime highs average 12 °C, and nights cool down to about 5 °C. The sea averages 14.1 °C – swimming is only for the hardy. Expect around 5 hours of sunshine a day. Rain falls on about 8 days, adding up to 70 mm. Snow falls on about 2 days. All in all, January is a so-so month for a holiday in Monaco.
January compared
How the weather changes from December to February. Tap a month to open it.
| DecemberDec | JanuaryJan | FebruaryFeb | |
|---|---|---|---|
| Score | 49 | 48 | 54 |
| Day | 13° | 12° | 12° |
| Night | 7° | 5° | 5° |
| Sea | 16° | 14° | 14° |
| Sun | 5 h | 5 h | 6 h |
| Rain days | 9 | 8 | 8 |
More details for January
- Daylight
- 9 h 16 min08:01 – 17:17
- UV index
- 1 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or more
- Wind
- 11 km/haverage daily peak
- Cloud cover
- 53 %on average
- Hot days
- 0 days30 °C or more
- Snow days
- 2 days1 cm or more of fresh snow
- Time zone
- UTC+1Europe/Monaco
How the score comes together
- Temperatureweight 50 %38 %
- Sunshineweight 20 %33 %
- Few rainy daysweight 30 %74 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in January
- A jumper for the evenings
Monaco in January: quick answers
Is Monaco hot in January?
No. In January, Monaco is cool: daytime highs average 12 °C and nights drop to about 5 °C.
Can you swim in Monaco in January?
Only if you don't mind cold water: in January the sea averages just 14.1 °C. Comfortable swimming is possible from June to October.
Does it rain much in Monaco in January?
Rain falls on about 8 days, adding up to 70 mm.
Monaco month by month
The whole year in MonacoAll destinations: MonacoWhere to go in JanuarySea temperature in January
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0)