The climograph demonstrates the average amount of monthly temperatures and precipitation in the city of Kolkata .
Overall , it can be seen that the average monthly temperatures and rainfall witnessed a quite dramatic fluctuation throughout the year . Furthermore , the amount of precipitation is highest in July in contrast with December , while the biggest figure for temperature is in May.
What stands out is that the average amount of monthly rainfall in the middle of the year is significantly higher than that of the others . In the three months : July , August and September , the amount of precipitation is recorded from nearly 300 mm to approximately 330 mm and the temperature is almost 30 degrees. Furthermore , Jun has the average monthly temperatures and rainfall was quite considerable with 250 mm and about 30 degrees respectively.
It is striking that from January to May , there is an upward trend in comparison with the months from October to December of both monthly temperatures and precipitation . It is apparent that December is the month which has the lowest amount of rainfall at just 10 mm and the temperature of this is relatively the same as January at 20 degrees.