The line graph illustrates how temperatures change in Kolkata city each month, while the bar chart compares monthly precipitation.
Overall, winter is the coldest season in the city of Kolkata. A similar pattern can be seen in precipitation, with December, January, and February being the driest months of the year.
It can be seen in the line graph that the temperature in Kolkata city steadily increases from 21 degrees Celsius to 30 degrees Celsius between January and April, then peaks in May at over 30 degrees Celsius. Comparatively, Kolkata experiences a modest decrease in summer and autumn temperatures, from 31 to 29 degrees Celsius. This is followed by a sharp decline from October to December by about 10 degrees Celsius to 20 degrees Celsius, which is the lowest temperature of the year in the city of Kolkata.
By contrast, the figures for precipitation in Kolkata show greater variability each month. Although precipitation rises insignificantly from January to April, from 20mm to 50mm, it then exponentially reaches an all-time high of 330mm in July. However, rainfall sees a sharp decline from August to December, from around 325mm to 5mm.