Climate

Mangalore has a tropical climate; summer and winter months experience similar temperate conditions, with average temperatures ranging from 27 °C (81 °F) to 34 °C (93 °F). Humidity is approximately 78% on average, and peaks during the months of May, June and July. The maximum average humidity is 93% in the month of July and average minimum humidity is 56% in the month of January. Under the Köppen climate classification, Manglore belongs to the Tropical/megathermal zone and is under the direct influence of the Arabian Sea branch of the South-West monsoon. It receives about 90% of its total annual rainfall within a period of about six months from May to October, while remaining extremely dry from December to March.The annual precipitation in Mangalore is 4,242.5 millimetres .

The most pleasant months in Mangalore are from December to February, during which time the humidity and heat are at their lowest. During this period, temperatures during the day stay below 30 °C (86 °F) and drop to about 19 °C (66 °F) at night. This season is soon followed by a hot summer, from March to May, when temperatures rise as high as 38 °C (100 °F). The summer gives way to the monsoon season, when the city experiences more precipitation than most urban centres in India, due to the Western Ghats. Rainfall up to 4,000 millimetres be recorded during the period from June to September. The rains subside in September, with the occasional rainfall in October.