Qualicum Beach - Geography and Climate

Geography and Climate

The town is 12.45 square kilometres (4.81 sq mi) as of 2001. (Statistics Canada)

Qualicum Beach is on the Nanaimo lowlands, a narrow plain which lies between the Georgia Basin to the northeast and the Vancouver Island Ranges to the south-west. Landforms were significantly changed by the most recent advance of glacial ice about 18,000 to 19,000 years ago.

The area has cool, wet winters with 80 to 85% of the year's precipitation between October and April. The average annual precipitation is 131 centimetres (52 in). Mean daily temperature ranges from 1 to 3 °C (34 to 37 °F) in January, with cloud and rain from north Pacific air masses dominating the winter weather. High pressure ridges over the mainland can block easterly air flows, bringing snow and freezing temperatures during winter but do not persist, as moist westerly winds bring above-freezing temperatures. North Pacific high pressure cells influence summer weather, making it warm, dry and cloudless. July and August have mean precipitation of 17 millimetres (0.67 in) and mean maximum temperatures of 25 °C (77 °F). Although winter precipitation results in much moisture at the start of the growing season, summer, particularly July and August, are drought prone.

With the longest freeze-free period in Canada, at 180 days per year, the Nanaimo lowlands area is favourable for agriculture. The area is within the small Coastal Douglas Fir bio-geographic zone, which is considered the mildest climate in Canada. The Vancouver Island Ranges, which includes nearby Mount Arrowsmith, shadows rainfall. This bio-geographic area can support Garry Oak and Arbutus, which do not exist elsewhere in Canada.

Wildlife include: black-tailed deer, Roosevelt elk, black bear, and cougar. With the presence of human population, deer, raccoons and rodents persist.

Soil types in the area, mostly classified as Orthic Dystric Brunisols and Duric Dystric Brunisols, vary from marginal to unsuitable for agriculture. They tend to be loamy sand or gravelly loamy sand. Their fertility is low and they are strongly acidic except in near-shore areas where Native American shell middens provide abundant calcium and organic matter. However, they are suitable for development.

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