Because Hungary is completely landlocked, it is cut off from the moderating influence of the Atlantic Ocean. Consequently, seasonal weather is more prone to extremes. Summers can be very hot and winters absolutely frigid. If you’re traveling during the peak of summer, be prepared for some high temperatures, though it could also be comfortable and pleasant. As fall approaches, some days may be on the cool side, but stints of warm weather still occur. By late October, the air is usually brisk and evenings are chilly.