There are, however, special occasions for which formal or business attire is needed. When you arrive in August, the temperature changes often. The temperature may be rather warm in the daytime and drop dramatically at night. This weather rarely lasts beyond the end of August.
Snow is common, with occasional accumulations of a foot or more on the ground.
The snow usually melts and comes again several times during the winter. The temperature moderates in March and April, and snow alternates with rain. May. By June, temperatures reach summer levels.