The climograph illustrates the average monthly temperature and precipitation levels in Kolkata. Overall, the city exhibits a tropical climate characterised by a significant monsoon period and consistently high temperatures.
Temperature trends show a gradual rise from 20°C in January to a peak of 31.5°C in May. Following this, temperatures decline steadily, with a slight plateau at 28°C during August and September, before dropping to 21°C by December. Throughout the year, the temperature never falls below 20°C, indicating a warm climate.
In contrast, precipitation levels are highly seasonal. The first four months are relatively dry, with rainfall increasing from 20mm in January to 50mm in April. A dramatic surge occurs in May, reaching 100mm, followed by a substantial peak during the monsoon months. Precipitation hits its highest point in July at 340mm, closely followed by 330mm in August and 290mm in September. Rainfall then decreases sharply to 150mm in October, before plummeting to minimal levels of 20mm and 10mm in November and December, respectively. In summary, the wettest months coincide with a slight cooling trend in the latter half of the year.