2019-2020 Long Range Weather Forecast for Hamilton, ON

Get the Long Range Weather for Your Location

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 2020 Old Farmer’s Almanac, available online and in stores.

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

Free 2-Month Weather Forecast

November 2019 Long Range Weather Forecast for Southern Ontario
DatesWeather Conditions
Nov 1-4Showers, mild
Nov 5-11Rain and snow
Nov 12-17Rain, then sunny, cold east; snow, then sunny, mild west
Nov 18-24Snow showers, cold
Nov 25-30Snow showers, cold east; sunny, mild west
Novembertemperature 2°C (1°C below avg. east, 1°C above west)
precipitation 85mm (10mm above avg.)

December 2019 Long Range Weather Forecast for Southern Ontario
DatesWeather Conditions
Dec 1-3Rain east, heavy snow central, flurries west
Dec 4-10Showers east, snowy periods west; turning mild
Dec 11-18Snowy periods, mild
Dec 19-26Showers, mild
Dec 27-31Rain and snow showers, mild
Decembertemperature 0°C (4°C above avg.)
precipitation 70mm (10mm above avg.)

Annual Weather Summary
November 2019 to October 2020

Winter temperatures, precipitation, and snowfall will be above normal. The coldest periods will be in mid- to late November, January, early and mid- to late February, and early March. The snowiest periods will be in early and mid-December, mid- to late January, mid-February, and early March. April and May will be warmer than normal, with precipitation above normal in the east and below normal in the west. Summer will be hotter than normal, with the hottest periods in late June and early to mid- and mid- to late July. Precipitation will be above normal in the east and below in the west. September and October will be slightly warmer and drier 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 2019 to October 2020

Temperature and Precipitation Chart, November 2019 to October 2020 for Hamilton, ON

Reader Comments

Leave a Comment

June 22

That day is at the tail end of a week of scattered thunderstorms and cool temps, and it precedes a period of more t-storms and hotter temps.

Weather forecast for June 2/2019

Having a wedding shower on June 2/2019 , and would like to know if we can have it outside , thanks

June 2

Well, it so happens that if a shower is what you’re having, showers is what you’re likely to get on that day, with hot temps. Best wishes!

Weather in Parry Sound October 12 2019

My daughter is having an outdoor wedding will we need warm clothing and rain gear

wet weather october

Terry best to be prepared with a tent and other wet weather activities. October could bring early North westerly winds which sweep moisture of the water causing rain.

Thanksgiving weekend in St. Catharines

Can you tell me what the weather is predicted to be on Sunday October 13 2019 our son is getting married at a winery in St CATHARINES Ontario. Thanks .

October 13

We are predicting a sunny day, with mild temps, following a period of flurries and a chill.

Weather

Are we getting a white Christmas in 2019 2020

White Christmas!

Hi Sean, we'll have to wait and see but it'll most likely be a white Christmas this year.

Wedding

Our wedding date is Oct. 5th 2019 in the Torrance area of Muskoka. Any weather predictions? Praying the rain will stay away!

Pages