Friday, February 24, 2012

Climate of Ahmedabad

Ahmedabad has a hot semi-arid climate , with marginally less rain than required for a tropical savanna climate. There are three main seasons: summer, monsoon and winter. Aside from the monsoon season, the climate is extremely dry. The weather is hot through the months of March to June—the average summer maximum is 41 °C (106 °F), and the average minimum is 27 °C (81 °F). From November to February, the average maximum temperature is 30 °C (86 °F), the average minimum is 15 °C (59 °F), and the climate is extremely dry. Cold northerly winds are responsible for a mild chill in January. The southwest monsoon brings a humid climate from mid-June to mid-September. The average annual rainfall is about 800 millimetres (31 in), but infrequent heavy torrential rains cause local rivers to flood and it is not uncommon for droughts to occur when the monsoon does not extend as far west as usual. The highest temperature recorded is 47 °C (117 °F) and the lowest is 6 °C (43 °F).[29] On 21 May 2010, the mercury touched 42.8 °C (109.0 °F), which was the highest temperature recorded in Ahmedabad in forty years. In recent years, Ahmedabad has suffered from increasing air, water and soil pollution from neighbouring industrial areas, the city’s textile mills and lack of awareness regarding cleanliness among citizens.

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