The climate of the south-western part of Macedonia where Pelister Mountain is located can be characterized as moderate continental.
However, because Pelister National Park is situated at altitudes higher than 891 m above the sea level its local climate is typically mountainous.
The winters are long, cold and with lots of snowfalls, whereas the summers are short and rather cold. January and February are the coldest months whereas July and August are the warmest.
The precipitation is highest in October and December, but there is another peak in May.
The precipitation during the summer season accounts for 16.5% of the annual amount.
The snow cover stays from November to April, in the higher parts to May, and in small remnants up to June.