Delhi Climatological Data

Source: IMD

Source: Internet

Source: Internet

Delhi Covers an area of 1484 sq.km and is 239m above sea level. It comes under the composite climate zone with high variation between summer and winter temperatures. Summers are long, extremely hot, from early April to mid-October, with the monsoon season in between. Beginning of March sees a reversal in the direction of wind, from the north-western direction, to the south-western. These bring the hot waves from Rajasthan, carrying sand and are a characteristic of the Delhi summer. The months of February to May see a time of hot, prickling heat, with highly oxidizing conditions. At the end of June, humidity increases, bringing some respite in fluctuating rains in the months of July to September. Winter starts in late October and peaks in January and is notorious for its heavy fog. Extreme temperatures range from −0.6 ° to 48 °C.

The annual mean temperature is 25 °. Monthly mean temperatures range from 13 °C to 32 °C. The average annual rainfall is approximately 714 mm, most of which is during the monsoons in July and August.