| Culture Of Kolkata, India |
| Kolkata has a subtropical climate, with summer monsoons. The annual mean temperature is 26.8 C, and monthly mean temperatures range from 20C to 31C and maximum temperatures in Calcutta often exceed 40C during May-June.The lowest temperature hovers around 12C - 14C in the winter months of December and January.Winter is short- lasting - about 2 and a half months.
The main seasonal influence upon the climate is the monsoon. Maximum rainfall occurs during the monsoon in August (306 mm) and the average annual total is 1,582mm. Early morning mists are common. Evening smog often occurs due to nighttime temperature inversions and mixing heights are generally restricted to below 500 m during the night. Summer is dominated by strong south-westerly monsoon winds. Mean ventilation coefficients are greatest in the pre-monsoon (8,118 m2s-1) and monsoon (7,410 m2s-1) periods. Total duration of sunshine is 2,528 hours per annum with maximum insolation occurring in March
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