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Get the Markham, ON local weather forecast by the hour and the next 10 days.
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The pattern setting up over the Great Lakes is ripe for a prolonged lake-effect snow event across southern Ontario. Extremely dangerous travel is expected within these snow squalls through the weekend
The best weather for mountaineering or hiking occurs between late June to early October but, being the highest part of the Alps, the Mont Blanc massif can create its own weather patterns. Temperatures drop as the mountains gain in height, and the summit of Mont Blanc is a permanent ice cap, [ 7 ] : 24 with temperatures around −20 °C (−4 °F).
The climate of the Alps is the climate, or average weather conditions over a long period of ... Average precipitation days (≥ 1.0 mm) 9.6 8.6 9.5 10.2 11.6 11.3 ...
The climatic snow line is the boundary between a snow-covered and snow-free surface. The actual snow line may adjust seasonally, and be either significantly higher in elevation, or lower. The permanent snow line is the level above which snow will lie all year.
The actual lapse rate, called the environmental lapse rate, is not constant (it can fluctuate throughout the day or seasonally and also regionally), but a normal lapse rate is 5.5 °C per 1,000 m (3.57 °F per 1,000 ft).
The amount of snow received at weather stations varies substantially from year to year. For example, the annual snowfall at Paradise Ranger Station in Mount Rainier National Park has been as little as 266 inches (680 cm) in 2014-2015 and as much as 1,122 inches (2,850 cm) in 1971–1972.