Summers of Qatar are harsh. Your visit to Patan during summer months would not at all be pleasant as the mercury would shoot up during this period. The months from October to March that are also the winter months are ideal for visiting Patan. The climate is pleasant and you would be able to move around in the city during these months. Now its time to go for a Visa. Apply for a Qatar Visa now!
Also, get insured with an Asia Travel Insurance by Thomas Cook.