Mumbai has a tropical climate, specifically a tropical wet and dry climate under the Köppen climate classification, with seven months of dryness and peak of rains in July. The cooler 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.
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 mm (136 in) for 1954. The highest rainfall recorded in a single day was 944 mm (37 in) on 26 July 2005. The average total annual rainfall is 2,146.6 mm (85 in) for the Island City, and 2,457 mm (97 in) for the suburbs.
The average annual temperature is 27.2 °C (81 °F), and the average annual precipitation is 2,167 mm (85 in). In the Island City, the average maximum temperature is 31.2 °C (88 °F), while the average minimum temperature is 23.7 °C (75 °F). In the suburbs, the daily mean maximum temperature range from 29.1 °C (84 °F) to 33.3 °C (92 °F), while the daily mean minimum temperature ranges from 16.3 °C (61 °F) to 26.2 °C (79 °F). The record high is 40.2 °C (104 °F) on 28 March 1982, and the record low is 7.4 °C (45 °F) on 27 January 1962
