Where to Visit in Mumbai & When. Mumbai in summer – From March till May. Summers in Mumbai are sticky and hot. Mumbai in Monsoon – From June till September. Mumbai during the monsoon season receives plenty of rainfall. Mumbai in winter – From October till March. Winter is the best time to visit Mumbai.
If you are planning for a trip to Mumbai, it is wise to know about the weather and temperature in Mumbai.December and January are the best months to visit Mumbai, India in terms of temperature.
As a coastal city, the temperature in Mumbai hovers around 30ºC for much of the year; the weather is most pleasant from October to March.