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2015 Long-Range Weather Forecast for Yellowknife, Northwest Territories

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(Nov. 2014 - Oct. 2015)

Complete 2015 Long-Range Weather Forecast for the Northwest Territories Region, November 2014 to October 2015 includes week-by-week details.

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Map showing long-range weather ragion

AUGUST 2015: temperature 14°C (1°C above avg.); precipitation 65mm (25mm above avg.); Aug 1-7: Sunny, warm north; rainy periods, seasonable south; Aug 8-16: Snow showers north, rain showers south; cool; Aug 17-23: Sunny, mild; Aug 24-26: Rain to snow north, sunny south; Aug 27-31: Sunny, seasonable.

SEPTEMBER 2015: temperature 4°C (avg.); precipitation 19mm (8mm below avg.); Sep 1-4: Sunny, mild north; showers, cool south; Sep 5-9: Snow showers, cool; Sep 10-17: Scattered snow showers north and rain showers south, turning mild; Sep 18-23: Flurries, seasonable; Sep 24-30: Snow showers, turning cold north; rain, then sunny, cool south.

Annual Weather Summary: November 2014 to October 2015

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

April and May temperatures and snowfall will be below normal in the north and above in the south. Precipitation will be slightly below normal. Watch for a late-season snowstorm in early to mid-May.

The summer season will be slightly warmer than normal, on average, with the hottest temperatures occurring in early to mid-July, late July, early August, and mid- to late August. Rainfall will be above normal, especially in the north.

September and October will be warmer than normal, with below-normal precipitation and snowfall. The snowiest period will be in early October.

Temperature and Precipitation November 2014 to October 2015

Temperature and Precipitation Graph

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

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