After the departure of Southwest Monsoon, Mumbai rains take a backseat with merely freak weather incidences in between, otherwise, rainfall activity is a very rare occurrence for the city of Mumbai during the Non Monsoon months.
December saw some rains for the city of Mumbai. Now, in another freak weather occurrence, the city of Mumbai is expected to see some rainfall activity around January 22. Moreover, these rainfall activities are expected to be light in nature with a couple of moderate spells here and there. In fact, rain in Mumbai is also likely to be a one day affair.
At present, northerly winds are blowing even over Mumbai in tandem with the Anti Cyclone persisting over North India. The wind pattern is however, all set to change due to the approach of the Western Disturbance over Western Himalayas. Along with this, wind convergence will also take place resulting in rains. A cyclonic Circulation is also over the Konkan region.
With these rains, minimum temperatures which have been settling at 19 degrees, may drop to 17 degrees or so and maximums that are hovering in the early 30s may go down to the late 20s.