2018-2019 Long Range Weather Forecast for Southern Ontario

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See long range weather forecasts for the next 60 days from The Old Farmer’s Almanac! Our long range forecasts can be used to make more informed decisions about future plans that depend on the weather, from vacations and weddings to sporting events and outdoor activities.

To see long term forecasts for the entire year, pick up a copy of the annual Old Farmer’s Almanac, available online and in stores.

Note: Long range forecasts are regional, not city-specific.

Free 2-Month Weather Forecast

November 2018 Long Range Weather Forecast for Southern Ontario
DatesWeather Conditions
Nov 1-5Snow showers, cold
Nov 6-11Rain to snow, then flurries, cold
Nov 12-23Rainy periods, mild
Nov 24-27Sunny, mild
Nov 28-30Rain to snow
Novembertemperature 5°C (3° above avg.)
precipitation 105mm (30mm above avg.)

December 2018 Long Range Weather Forecast for Southern Ontario
DatesWeather Conditions
Dec 1-4Snow showers, mild
Dec 5-12Snow, then flurries, cold
Dec 13-17Snowy periods east, flurries west; cold
Dec 18-22Rainy periods east, snow showers west; mild
Dec 23-31Snow showers, cold
Decembertemperature -6°C (2° below avg.)
precipitation 60mm (20mm above avg. east, 20mm below west)

Annual Weather Summary
November 2018 to October 2019

Winter temperatures will be close to normal, on average, with above-normal precipitation and snowfall. The coldest periods will be in mid- and late December, early and late January, and early February. The snowiest periods will be in early December, mid-February, and early to mid-March. April and May will be cooler than normal, with above-normal precipitation. Summer will be cooler and rainier than normal. The hottest periods will be from late June into early July and in early to mid-July and mid-August. September and October will be cooler and rainier than normal.

Map showing Old Farmer's Almanac long range weather region number 3

About the Southern Ontario Region

The Southern Ontario long range weather region includes all or part of the following provinces: ONTARIO (Alliston, Amherstburg, Barrie, Bolton, Bradford, Brantford, Chatham, Cobourg, Collingwood, Elliot Lake, Fergus, Fort Erie, Georgetown, Guelph, Haileybury, Hamilton, Ingersoll, Kenora, Kitchener, Leamington, Lindsay, London, Midland, Milton, North Bay, Orangeville, Orillia, Oshawa, Owen Sound, Paris, Peterborough, Port Hope, Sarnia, Simcoe, Stouffville, Stratford, Strathroy, Sudbury, Thunder Bay, Tillsonburg, Timmins, Toronto, Uxbridge, Wallaceburg, Windsor, Woodstock).

Southern Ontario Neighboring Regions

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

Temperature and Precipitation November 2018 to October 2019

Temperature and Precipitation Chart, November 2018 to October 2019 for Southern Ontario Region

Reader Comments

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wow

are people really fighting in the comments of the the old farmer's almanac website? for real, y'all? relax.

Provinces

Why?? are you stating the weather for S.Ontario the same for N.Ontario???...Our weather is completely different then that of S.Ont,..

Weather opinions

Travel the world a little folks. Water is like gold in some parts with that goes food. Stop your bitching. Do like in the old days..." dip your finger in the well, shove it out the door see from which direction the wind is coming from" even sailors do this one. Think as to which direction warm,cold, wet or dry comes from per season and then dress up or dress down accordingly.

weather

Why are we lumped in with Souther Ontario when we live in Northern Ontario.....not the same at all!

Really ? How very nice.

First time on this site and I thought I would read the comments . Wow . I can't believe how insulting people are to other people.

Truth be told , no one , yes I said no one , can predict the weather . It is the only job out there where the predictions can be wrong 98 % of the time and those predicting it still keep their jobs. In any other profession ,if that many mistakes were made, they would be fired long ago.

The best solution is to step out your door. If it is windy and cool put on a jacket , if it is stinky hot and humid , shorts and tee shirt works, if it snowing , sleeting , freezing rain .....dress accordingly and drive accordingly.

Oh, and stay away from nasty people . They deserve to spend their time with themselves. .

Weather is weather

Let's see simmer is hot winter is cold lol
Enough said

It's just weather

Why are people arguing in a weather forum? I wouldn't live anywhere else! Enjoying all 4 seasons, and the unpredictability of our weather makes me appreciate every day.

WEATHER

very lucky live this part the world we have to drink .we very blessed in this part the world

weather

Could the almanac be more specific.....I would like to know about the weather for the Timmins area this coming summer and not lump us in with Sudbury which is 5 hrs away and weather forecasts could be totally different!

Weather

So far in my area all predictions have been 100% accurate. To everyone else, get over it, if you dont like your weather, move somwhere that will help you whine, complain and b*tch less. Have a great summer, happy planting everybody

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