Melo has a humid subtropical climate, described by the K�ppen climate classification as Cfa. Summers are warm (with hot days and cool nights) and winters are cool, with frequent frosts and fog. The precipitation is evenly distributed throughout the year, with an average of 1,241 mm (48.85 in), and the annual average temperature is 17 �C (63 �F).
This city has the lowest recorded temperature in Uruguay, of -11 �C (12.2 �F), on June 14, 1967
