Grouse Mountain mild as the Lower Mainland. In December (the coldest month statistically), Grouse Mountain has an average high and low of and respectively. This freeze/thaw cycle can allow for large amounts of rain to fall on some occasions every winter. Nonetheless, heavy snow is more frequent in the winter, which allows for a deep snow-pack, lasting on average from mid-November until early May. Summer is warm and relatively dry. August is the warmest month, with an average high and low of and respectively. Grouse Mountain has built an observation deck (accessible by elevator) on a 1.5 megawatt wind turbine of Leitwind
Red grouse now absent in areas where they were once common. Reasons for the decline include loss of heather due to overgrazing, creation of new conifer plantations and a decline in the number of upland gamekeepers. Some predators such as the hen harrier feed on grouse and there is ongoing controversy as to what effect these have on grouse numbers. Red grouse have been introduced to the Hautes Fagnes region of Belgium but the population there died out in the early 1970s. The red grouse is herbivorous and feeds mainly on the shoots, seeds and flowers of heather. It will also feed