As first the variability of atmospheric circulation is presented, as an important climate factor.
Sunshine duration is another important element.
It informs indirectly about the solar factor forming the climate of the country. This condition is being modified due to the cloudiness variability. The second part of the paper contains the detailed analysis of the long-term air temperature course. There were used temperature records from the synoptic stations after being tested and fully homogenized. The special attention was paid to the maximum and minimum temperature and daily temperature range.