As the rest of the country, rainfall is almost evenly distributed year around, which can be seen from the figure that shows days with rainfall per months. All the month have an average of 10 days where rain falls. The rains in winter are produced by cold fronts reaching  Uruguay and especially the coast from the Atlantic. The large rainfall amounts found in January and February are produced by humidity advection from continent interior by northeasterly winds.
Temperature has a distigt annual cycle characteristics of subtropical latitudes with minima in winter, when also some days with temperatures below zero can be expected.
 
 

PRECIPITATION	TEMPERATURE

WET-DAY FREQUENCY Number of days/mo with Precipitation	GROUND-FROST FREQUENCY Number of days/mo with Min. Temp. < 0 deg. C