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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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Free 2-Month Weather Forecast

Map showing long-range weather ragion

MAY 2015: temperature 2°C (1°C below avg.); precipitation 9mm (5mm below avg.); May 1-9: Sunny; cold north, mild south; May 10-19: Snow, then sunny, cool; May 20-23: Sunny, seasonable east; showers, mild west; May 24-31: Snow showers, cold north; sprinkles, mild south.

JUNE 2015: temperature 11°C (avg.); precipitation 21mm (10mm above avg. north, 10mm below south); Jun 1-6: Sunny, seasonable; Jun 7-13: Rain and snow showers north, a few showers south; cool; Jun 14-21: Scattered showers, cool; Jun 22-26: Sunny, seasonable; Jun 27-30: Scattered showers; cool north, warm 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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