Precipitation in Monaco decreased to 12.98 mm in December from 20.62 mm in November of 2015. Precipitation in Monaco averaged 88.54 mm from 1901 until 2015, reaching an all time high of 366.76 mm in October of 1907 and a record low of 0.26 mm in March of 1961. This page includes a chart with historical data for Monaco Average Precipitation.