The most favorable period for ascent.
They consider that optimum period is the second half of July to the first half of August. Statistically the weather is steady at this time in Prielbrusye. However on the other hand this time is of mass visiting of tourists, both Russians, and foreigners, so hotels and shelters can be overflowed and also there can be problems with absence of guides, especially qualified.
But we can’t be sure that the weather will be good at this time. Every season situation with weather can be different. It is a lot of good days both in May, and in June. In September the area is almost empty. There are a lot of places for booking, there are no turns and the prices fall dawn both for hotels and for transport. Therefore we consider that the period from June up to September approximately identical to an ascents.