January weather forecastSaint Roman, Monaco
January
Weather in January
As possessor of the lowest high temperature, January in Saint Roman, Monaco, offers an average of 8.8°C (47.8°F) at peak times during the day. This month showcases cooler temps, with these wintery conditions being persistently felt until February. Exposure to sunlight is at a minimum, and days are primarily overcast. Precipitation in the form of snowfall is a rare occurrence, however rain is not uncommon. Overall, January's weather can be described as mild and wet.Temperature
During January and February, Saint Roman experiences its coldest period, with an average high-temperature of 8.8°C (47.8°F).Humidity
January and December, with an average relative humidity of 69%, are the least humid months.Rainfall
January is the month with the least rainfall. Rain falls for 10.3 days and accumulates 34mm (1.34") of precipitation.Snowfall
Months with snowfall in Saint Roman are January through March. January is the first month it typically snows in Saint Roman. Throughout January, in the average 0.1 snowfall days, it receives 3mm (0.12") of snow. In Saint Roman, during the entire year, snow falls for 0.9 days and aggregates up to 14mm (0.55") of snow.Daylight
In Saint Roman, the average length of the day in January is 9h and 22min.On the first day of January, 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
The months with the least sunshine are January, November and December, with an average of 6.4h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: The UV index of 3 in January translates into these instructions:
Ensure safety - Sun damage prevention is strongly urged. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Saint Roman, Monaco
- Average high temperature in January: 8.8°C
The warmest month (with the highest average high temperature) is August (23.9°C).
The months with the lowest average high temperature are January and February (8.8°C).
- Average low temperature in January: 5.3°C
The month with the highest average low temperature is August (19.2°C).
The coldest month (with the lowest average low temperature) is February (4.7°C).
Average pressure in January
Saint Roman, Monaco
- Average pressure in January: 1016.3mbar
The month with the highest atmospheric pressure is December (1018.4mbar).
The month with the lowest atmospheric pressure is April (1013.9mbar).
Average wind speed in January
Saint Roman, Monaco
- Average wind speed in January: 12.6km/h
The windiest month (with the highest average wind speed) is March (13.1km/h).
The calmest month (with the lowest average wind speed) is August (8.3km/h).
Average humidity in January
Saint Roman, Monaco
- Average humidity in January: 69%
The months with the highest relative humidity are May and June (75%).
The months with the lowest relative humidity are January and December (69%).
Average rainfall in January
Saint Roman, Monaco
- Average rainfall in January: 34mm
The wettest month (with the highest rainfall) is November (127mm).
The driest month (with the least rainfall) is January (34mm).
Average rainfall days in January
Saint Roman, Monaco
- Average rainfall days in January: 10.3 days
The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is December (9.1 days).
Average snowfall in January
Saint Roman, Monaco
- Average snowfall in January: 3mm
The month with the highest snowfall is February (10mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in January
Saint Roman, Monaco
- Average snowfall days in January: 0.1 days
The month with the highest number of snowfall days is February (0.5 days).
The months with the least snowfall days are April, May, June, July, August, October and November (0 days).
Average daylight in January /
Average sunshine in January
Saint Roman, Monaco
- Average daylight in January: 9h and 24min
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 January: 6h and 24min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The months with the least sunshine are January, November and December (Average sunshine: 6h and 24min).
Average sunshine days in January
Saint Roman, Monaco
- Average sunshine days in January: 18.1 days
The month with the most sunshine days is December (19.4 days).
The month with the least sunshine days is May (7.3 days).
Average UV index in January
Saint Roman, Monaco
- Average UV index in January: 3
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in January
Saint Roman, Monaco
- Average cloud cover in January: 30
The month with the most cloud cover is February (Cloud cover 31).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in January
Saint Roman, Monaco
- Average visibility in January: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





