2012 Long-Range Weather Forecast for Yellowknife, Northwest Territories

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(Nov. 2011 - Oct. 2012)

Complete 2012 Long-Range Weather Forecast for the Northwest Territories Region, November 2011 to October 2012 includes week-by-week details.

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Map showing long-range weather ragion

MAY 2012: temperature 2.5°C (2°C above avg. north, 3°C below south); precipitation 9mm (5mm below avg.); May 1-6: Snow showers, cool; May 7-12: Snow showers; mild north, cool south; May 13-19: Rain and snow showers; mild, then cool; May 20-24: Sprinkles and flurries, cold north; sunny, warm south; May 25-30: Showers, then sunny, cool; May 31: Showers, seasonable.

JUNE 2012: temperature 9°C (2°C below avg.); precipitation 23mm (10mm above avg. east, 6mm below west); Jun 1-7: Rain and snow, then sunny, cool; Jun 8-12: Sprinkles northeast, sunny southwest; seasonable; Jun 13-18: Rain and snow showers, then sunny, cool; Jun 19-22: Showers, cool; Jun 23-30: Rain, then sunny, seasonable.

Annual Weather Summary: November 2011 to October 2012

Winter season temperatures will be 2 to 3 degrees C below normal, on average, with the coldest periods in early December, early to mid-January, late January, early and mid-February, and early March. Precipitation and snowfall will be below normal. The snowiest periods will occur in mid-November, mid- to late February, and mid-March.

April and May temperatures will be below normal, especially in the south. Precipitation and snowfall will be below normal.

The summer season will be slightly cooler than normal, on average, with the hottest temperatures in early to mid-July and early to mid-August. Rainfall will be above normal in the east and below in the west.

September and October will be rainier than normal, with below-normal snowfall, despite storms in late September and early to mid-October. Temperatures will be near normal in the east and above normal in the west.

Temperature and Precipitation November 2011 to October 2012

Temperature and Precipitation Graph

See Long-Range Weather Forecasts for major cities in Northwest Territories.