The overall climate of plateau in which wasnal occupies is subtropical and sub-humid with the exception that it varies a little on the cooler side, owing to its elevation, from central Punjab.

Other common trees were Eucalyptus citriodora (Safeda), Morus nigra (Toot), Capparis decidua (Kariya), Dalbergia sissoo (Tali, Shisgam), Melia azedarach (Dhrek), Ziziphus mauritiana (Ber).

Fimbristylis dichotoma, Phragmites karka, Typha domingensis, Dodonaea viscosa (Sanattha), Justicia adhatoda (Bhaiker), are the common shrubs of this area.

There are eleven well known species of grasses which not only play an important role in the ecosystem of the area, but also provide fodder to the domestic livestock of the region.

Justicia adhatoda (Bhaiker), Chlorophytum borivilianum (Musli Safed), Malva parviflora (Sonchal), Tribulus terrestris (Gokhru) are used medicinally by the locals.

To explore details about fauna in the region a survey was conducted in 2007, in the tehsil of Kallar Kahar in which Wasnal is occupied and lot of information was gathered.