2018 Long Range Weather Forecast for Lachute, QC


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How to Read Long Range Weather Forecasts

Our long-range forecasts show weather trends in temperatures and precipitation. For example, will the winter be colder or warmer than average? Will there be more or less snow than what's typical for your area? Our famous predictions (traditionally 80% accurate) are made 18 months in advance, and meant to help you make more informed decisions for long-term planning.

Here on Almanac.com, we provide free long-range forecasts for the next 30 to 60 days covering U.S. and Canadian regions. Find all 12 months of predictions in the annual Old Farmer's Almanac.

Free 2-Month Weather Forecast

DECEMBER 2017: temperature -8°C (2° below avg. east, avg. west); precipitation 100mm (20mm above avg.); Dec 1-6: Snow showers, cold; Dec 7-15: Rain to snow, then snow showers, cold; Dec 16-18: Showers, mild; Dec 19-24: Snowy periods, cold; Dec 25-31: Rain to snow, then flurries, cold.

JANUARY 2018: temperature -8.5°C (2° above avg.); precipitation 75mm (avg.); Jan 1-7: Flurries, cold; Jan 8-15: Snow showers, mild; Jan 16-21: Rainy periods, mild; Jan 22-26: Snow showers, cold; Jan 27-31: Rain to snow, then sunny, cold.

Annual Weather Summary: November 2017 to October 2018

Winter will be snowier than normal, with above-normal precipitation and near- to above-normal temperatures. The coldest periods will be from late December into early January and late January into early February and in mid-February, with the snowiest periods in mid-December, early and late February, and early April. April and May will be rainier and slightly cooler than normal. Summer will be hotter than normal, with the hottest periods in late June, early July, and early August. Rainfall will be above normal in the east and below normal in the west. September and October will be slightly warmer than normal, with below-normal precipitation.

Map showing Old Farmer's Almanac long range weather region number 2

About the Southern Quebec Region

The Southern Quebec long range weather region includes all or part of the following provinces: ONTARIO (Belleville, Brockville, Cornwall, Kanata, Kingston, Ottawa, Pembroke, Petawawa), QUEBEC (Alma, Amos, Buckingham, Cowansville, Dolbeau, Drummondville, Joliette, Lachute, Magog, Montreal, Quebec, Saint-Georges, Saint-Georges, Saint-Hyacinthe, Shawinigan, Sherbrooke, Sorel, Thetford Mines, Val-d'Or, Victoriaville).

Southern Quebec Neighboring Regions

Here are the regions that neighbor the Southern Quebec long range weather region:

Temperature and Precipitation November 2017 to October 2018

Temperature and Precipitation Graph