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2015 Long-Range Weather Forecast for Nahanni Butte, 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

MARCH 2015: temperature -20°C (1°C above avg.); precipitation 7mm (3mm below avg.); Mar 1-9: Clear east, flurries west; mild; Mar 10-16: Flurries, seasonable; Mar 17-21: Snow showers, cold; Mar 22-31: A few snow showers; mild, then cold.

APRIL 2015: temperature -14°C (3°C below avg. north, 3°C above south); precipitation 12mm (avg.); Apr 1-7: Sunny, turning mild; Apr 8-15: Snow showers, then sunny, cold east; sunny, mild west; Apr 16-19: Sunny; cold north, mild south; Apr 20-24: Sunny, cold north; snow, then sunny, mild south; Apr 25-30: Flurries, cold.

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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