Mumbai has a tropical climate, specifically a tropical wet and dry climate under the Koppen climate classification, with seven months of dryness and peak of rains in July.[120] The cold season from December to February is followed by the summer season from March to June. The period from June to about the end of September constitutes the south-west monsoon season, and October and November form the post-monsoon season.[121] Between June and September, the south west monsoon rains lash the city. Pre-monsoon showers are received in May. Occasionally, north-east monsoon showers occur in October and November. The maximum annual rainfall ever recorded was 3,452 millimetres (135.9 in) in 1954.[122] The highest rainfall recorded in a single day was 944 millimetres (37.17 in) on 26 July 2005.[123] The average total annual rainfall is 2,146.6 millimetres (84.51 in) in the Island City, and 2,457 millimetres (96.73 in) in the suburbs.[122]
