Climatic factors : Climate is defined as the average conditions that are expected at a certain place over a number of years. Climate remains constant for a region and does not change continuously. It influences our lives in terms of our basic needs like food, clothing and shelter as well as our occupations. Climatic factors are factors which affect the climate of a region for example, direction and speed of wind, temperature, atmospheric pressure, clouds, rainfall, humidity, visibility etc. These climatic factors are important in development of infrastructures like high scrapers, bridges, airport runways etc.