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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weather

Give me hot summer days and mild winters. I live in Northern Ont. and the winters can be a tad too long for my liking. We spend the month of April in Florida and love the heat!

sad

It means Seasonal Affective Disorder and I suffer from it.....some winters are worse than others for me! Taking Vitamin D helps.

I absolutely can't stand when

I absolutely can't stand when people whine and complain about the weather not being boiling hot!! Stop blaming the weather person!! They aren't Mother Nature!!!! Who wants boiling hot weather just to spend all day trying to cool off in ac???!! I hate boiling hot weather and every month should feel like autumn!!!!!! Boo hoo I hope the summer is cool as possible!!!!

You obviously don’t spend time outdoors

Spending time out in the hot sun will always be better than a cool summer .. Whether you’re at the beach or out in your backyard, nothing beats a summer’s day in the sun. I’d sacrifice a bit of cash for the AC to have warm summers any day.

I hear ya sista!!! I can't

I hear ya sista!!! I can't stand the hot, humid weather.

Hot weather

We lived 50 years ago with no Ac in the summer and had wood stoves too heat the homes. Suck it up butter cups .. I want summers at 35 and winters at -35. We are Canadians.

Yes!

We are ineed, Canadians! Heat and extreme cold! Enjoy it all!

HOT

I LOVE HOT WEATHER , IS MAKE ME HAPPY , COLD WEATHER MAKE ME SAD .. HOT WEATHER BRING OUT PPL OUT AND LOTS OF VITAMIN D TO PPL .. :D

Be calm. Don’t use so many !

Be calm. Don’t use so many !’s. It’s annoying me. I understand that you don’t like when people complain about weather. But it’s the internet, so get over it.

Weather

You lied to me. So said that March will be above average but it was below average. March wasn't as warm as February. You should be ashamed of yourself. I thought it was gonna be 20 degrees celsius in March. It was only single digit highs that time.

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