The average temperature in Bangalore is 23.6°C (75°F), the highest monthly average 33°C (91°F) in April and May and the lowest monthly average 15°C (59°F) in December January. Bangalore receives an average of 924 mm (36.4 in) of rainfall per year, or 77 mm (3.0 in) per month. The wettest weather is in October when an average of 185 mm (7.3 in) of rai15 days. The average annual relative humidity is 64.3% nfall (precipitation) occurs across and average monthly relative humidity ranges from 43% in March to 78% in July. The study areas include scrub jungles and dry deciduous forests of Savanadurga, Jnanabharathi campus, Indian Institute of Science, Raman research Institute, gardens and open places of urban areas like Vijayanagar, Rajajinagar, Yelahanka and Jayanagar.