It receives south-west monsoon rains of about 1,000 mm (39 in) every year from June to August.

[3] Pyin-O-Lwin Bird Sanctuary harbours evergreen hill forest.

Wildlife present include green peafowl (Pavo muticus), grey peacock pheasant (Polyplectron bicalcaratum) and barking deer (Muntiacus muntjak).

[4] Pyin-O-Lwin town is a favourite destination for the tourist since, it is located on the main road and railway line from Mandalay to Lashio.

Regular educated forest staff is in need to direct the local and foreign tourist visiting the sanctuary.