The report projects that Mumbai's annual maximum temperature will rise to 33.1°C by 2040, an increase of 0.9°C from the baseline average. (Representational image) Mumbai could become significantly hotter and wetter over the next 15 years, with summer temperatures projected to touch 39 degrees Celsius and monsoon rainfall rising by nearly 18 per cent by 2040, according to a study by Azim Premji University. The findings come as Mumbai and several other Indian cities grapple with heatwave-like conditions and growing concerns over the impact of climate change on urban infrastructure and public health. The study projects that Mumbai’s summer maximum temperature will rise to 39°C by 2040. According to the India Meteorological Department (IMD), the city’s normal summer temperature is around 34°C, indicating an increase of nearly 5°C above present levels.…