The best time to visit Jaisalmer is in the winter months November to March when the temperatures fall to 24 degrees Celsius. From December through to March Jaisalmer is generally hot and arid during the day but the temperature drops substantially at night and can touch 5 -10 degrees Celsius.
The Summer months in Jaisalmer are extremely strong with temperatures touching over 42 degrees Celsius and dust storms and winds. Although one can be indoors in air-conditioning and the hotel prices are lower during off season.