The state of Rajasthan located in the western part of India has varying climate like its varying topography. The rocky Aravali, the western arid plains, the eastern fertile plains experiences different climatic conditions.
The season with most favorable conditions is winter. In fact it is the peak time for visiting Rajasthan. The glorious beauty of Rajasthan can only be experienced during this season. Winter in Rajasthan extends from December to March and January is the coldest month of the year. Temperature varies throughout the state and the lowest temperature recorded is 0 degree C especially in Churu (city).. During this period, relative humidity ranges from 50% to 60% in the morning and 25% to 35%during noon time. On the average basis, winter temperatures range from 8° to 28° C (46° to 82° F).
The summer begins in the month of March while the temperature keeps rising progressively through April, May and June. West of Rajasthan and the eastern side of Aravalli Range, in the region of Bikaner, Phalodi, Jaisalmer and Barmer, the maximum daily temperature hovers around 40C to 45C. Sometimes, it even reaches as high a 49C during the summer months.
The monsoon brings relief to the sultry and sun-baked terrain of Rajasthan during the month of June in the eastern region and mid- July in the western arid regions. The temperature drops from 40 to 35 degree. With the fall in temperature, humidity increases. The state receives maximum rainfall during this period. There is a second phase of monsoon that continues from July to September.