Ontario Interactive Average First Frost Date Map

Plantmaps has derived zones indicating the Interactive map of average annual First frost dates for the province of Ontario

First Frost Date Maps for Neighboring States and Provinces

Related Ontario Maps:

List of Average First Frost Dates for Cities and Towns in Ontario

Location	Average First Frost Date
Acton	Sep. 21 - Sep. 30
Actons Corners	Oct.1 - Oct. 10
Ajax	Oct.11 - Oct. 20
Alexandria	Oct.1 - Oct. 10
Alliston	Oct.1 - Oct. 10
Almonte	Sep. 21 - Sep. 30
Amherstburg	Oct. 21 - Oct. 31
Amherstburg	Oct. 21 - Oct. 31
Angus	Oct.1 - Oct. 10
Arnprior	Sep. 21 - Sep. 30

Arthur	Oct.1 - Oct. 10
Aurora	Oct.11 - Oct. 20
Aylmer	Oct.1 - Oct. 10
Aylmer	Oct.1 - Oct. 10
Azilda	Sep. 21 - Sep. 30
Bala	Sep. 21 - Sep. 30
Ballantrae	Oct.11 - Oct. 20
Bancroft	Sep. 21 - Sep. 30
Barrie	Oct.1 - Oct. 10

Barry's Bay	Sep. 21 - Sep. 30
Baysville	Sep. 21 - Sep. 30
Beeton	Oct.1 - Oct. 10
Belle River	Oct. 21 - Oct. 31
Belleville	Oct.11 - Oct. 20
Belmont	Oct.1 - Oct. 10
Blenheim	Oct.11 - Oct. 20
Blind River	Oct.1 - Oct. 10
Bowmanville	Oct.11 - Oct. 20

Bracebridge	Sep. 21 - Sep. 30
Bradford	Oct.1 - Oct. 10
Brampton	Oct.1 - Oct. 10
Branchton	Oct.1 - Oct. 10
Brantford	Oct.11 - Oct. 20
Brighton	Oct.1 - Oct. 10
Brockville	Oct.11 - Oct. 20
Brooklin	Oct.11 - Oct. 20
Bruce Mines	Sep. 21 - Sep. 30
Burlington	Oct.11 - Oct. 20
CFB Petawawa	Sep. 21 - Sep. 30
Caledon	Oct.1 - Oct. 10
Caledonia	Oct.11 - Oct. 20
Cambridge	Oct.1 - Oct. 10
Capreol	Sep. 21 - Sep. 30
Carleton Place	Sep. 21 - Sep. 30
Carlisle	Oct.1 - Oct. 10
Carlow Mayo	Sep. 21 - Sep. 30
Cartier	Sep. 21 - Sep. 30
Casselman	Sep. 21 - Sep. 30
Cayuga	Oct.11 - Oct. 20
Chatham	Oct. 21 - Oct. 31
Chelmsford	Sep. 21 - Sep. 30
Chesley	Oct.1 - Oct. 10
Clarence-Rockland	Sep. 21 - Sep. 30
Clarence-Rockland	Sep. 21 - Sep. 30
Clinton	Oct.1 - Oct. 10
Cobalt	Sep. 11 - Sep. 20
Cobourg	Oct.11 - Oct. 20
Cochrane	Sep. 1 - Sep. 10
Collingwood	Oct.1 - Oct. 10
Cornwall	Oct.1 - Oct. 10
Cornwall	Oct.1 - Oct. 10
Corunna	Oct. 21 - Oct. 31
Courtice	Oct.11 - Oct. 20
Deep River	Sep. 21 - Sep. 30
Delhi	Oct.1 - Oct. 10
Deseronto	Oct.11 - Oct. 20
Dorchester	Oct.1 - Oct. 10
Dorset	Sep. 21 - Sep. 30
Dowling	Sep. 21 - Sep. 30
Dresden	Oct.11 - Oct. 20
Dryden	Sep. 21 - Sep. 30
Dubreuilville	Sep. 11 - Sep. 20
Dundas	Oct.11 - Oct. 20
Dunnville	Oct. 21 - Oct. 31
Durham	Oct.1 - Oct. 10
Ear Falls	Sep. 21 - Sep. 30
Elliot Lake	Oct.1 - Oct. 10
Elmira	Oct.1 - Oct. 10
Elmvale	Oct.1 - Oct. 10
Embrun	Sep. 21 - Sep. 30
Emeryville	Oct. 21 - Oct. 31
Emo	Sep. 11 - Sep. 20
Englehart	Sep. 11 - Sep. 20
Erin	Sep. 21 - Sep. 30
Ernestown	Oct.1 - Oct. 10
Espanola	Oct.1 - Oct. 10
Espanola	Oct.1 - Oct. 10
Essex	Oct. 21 - Oct. 31
Exeter	Oct.1 - Oct. 10
Faraday	Oct.1 - Oct. 10
Fenelon Falls	Oct.1 - Oct. 10
Fennells Corner	Oct.1 - Oct. 10
Fergus	Oct.1 - Oct. 10
Fordwich	Oct.1 - Oct. 10
Fort Albany	Aug. 21 - Aug. 31
Fort Erie	Oct.11 - Oct. 20
Fort Frances	Sep. 11 - Sep. 20
Fort Severn	Aug. 11 - Aug. 20
Freelton	Oct.1 - Oct. 10
Galt	Oct.1 - Oct. 10
Gananoque	Oct.1 - Oct. 10
Georgetown	Sep. 21 - Sep. 30
Geraldton	Sep. 11 - Sep. 20
Glencoe	Oct.11 - Oct. 20
Goderich	Oct.1 - Oct. 10
Grafton	Oct.11 - Oct. 20
Gravenhurst	Sep. 21 - Sep. 30
Grimsby	Oct. 21 - Oct. 31
Guelph	Oct.1 - Oct. 10
Hagersville	Oct.11 - Oct. 20
Haileybury	Sep. 11 - Sep. 20
Haliburton	Sep. 21 - Sep. 30
Hamilton	Oct.11 - Oct. 20
Hanmer	Sep. 21 - Sep. 30
Hanover	Oct.1 - Oct. 10
Harrow	Oct. 21 - Oct. 31
Harrowsmith	Oct.1 - Oct. 10
Hawkesbury	Sep. 21 - Sep. 30
Hawkesbury	Sep. 21 - Sep. 30
Hearst	Sep. 11 - Sep. 20
Hespeler	Oct.1 - Oct. 10
Holland Landing	Oct.11 - Oct. 20
Huntsville	Sep. 21 - Sep. 30
Huron Shores	Oct.1 - Oct. 10
Ignace	Sep. 11 - Sep. 20
Ingersoll	Oct.11 - Oct. 20
Ingleside	Oct.1 - Oct. 10
Ingolf	Sep. 11 - Sep. 20
Iron Bridge	Oct.1 - Oct. 10
Iroquois Falls	Sep. 1 - Sep. 10
Kanata	Oct.1 - Oct. 10
Kapuskasing	Sep. 1 - Sep. 10
Kapuskasing	Sep. 1 - Sep. 10
Kearney	Sep. 21 - Sep. 30
Kemptville	Oct.1 - Oct. 10
Kenora	Sep. 21 - Sep. 30
Keswick	Oct.1 - Oct. 10
Kinburn	Sep. 21 - Sep. 30
Kincardine	Oct.1 - Oct. 10
King City	Oct.11 - Oct. 20
Kingston	Oct.1 - Oct. 10
Kirkland Lake	Sep. 11 - Sep. 20
Kitchener	Oct.1 - Oct. 10
LaSalle	Oct. 21 - Oct. 31
Lakefield	Sep. 21 - Sep. 30
Lanark	Sep. 21 - Sep. 30
Lansdowne	Oct.1 - Oct. 10
Leamington	Oct. 21 - Oct. 31
Lefaivre	Sep. 11 - Sep. 20
Lefaivre	Sep. 11 - Sep. 20
Levack	Sep. 21 - Sep. 30
Limerick	Oct.1 - Oct. 10
Lincoln	Oct. 21 - Oct. 31
Lindsay	Oct.1 - Oct. 10
Listowel	Oct.1 - Oct. 10
Little Current	Oct.1 - Oct. 10
London	Oct.1 - Oct. 10
Longlac	Sep. 11 - Sep. 20
MacTier	Sep. 21 - Sep. 30
Manotick	Oct.1 - Oct. 10
Marathon	Sep. 11 - Sep. 20
Markham	Oct. 21 - Oct. 31
Marmora	Oct.1 - Oct. 10
Massey	Oct.1 - Oct. 10
Matachewan	Sep. 11 - Sep. 20
Mattawa	Sep. 21 - Sep. 30
Mattawa	Sep. 21 - Sep. 30
Maynooth	Sep. 21 - Sep. 30
Meaford	Oct.1 - Oct. 10
Merrickville	Oct.1 - Oct. 10
Metcalfe	Sep. 21 - Sep. 30
Midland	Oct.1 - Oct. 10
Milton	Oct.1 - Oct. 10
Minden	Sep. 21 - Sep. 30
Mississauga	Oct.11 - Oct. 20
Mitchell	Oct.1 - Oct. 10
Moose Factory	Aug. 21 - Aug. 31
Moosonee	Aug. 21 - Aug. 31
Morrisburg	Oct.1 - Oct. 10
Mount Albert	Oct.11 - Oct. 20
Mount Forest	Oct.1 - Oct. 10
Napanee	Oct.1 - Oct. 10
Nepean	Oct.1 - Oct. 10
New Hamburg	Oct.1 - Oct. 10
New Liskeard	Sep. 11 - Sep. 20
Newcastle	Oct.11 - Oct. 20
Newmarket	Oct.11 - Oct. 20
Newton Robinson	Oct.1 - Oct. 10
Niagara Falls	Oct. 21 - Oct. 31
Niagara-on-the-Lake	Nov. 1 - Nov. 10
Nipigon	Sep. 11 - Sep. 20
North Bay	Sep. 21 - Sep. 30
North Cobalt	Sep. 11 - Sep. 20
Northshore	Oct.1 - Oct. 10
Norwich	Oct.1 - Oct. 10
Oakville	Oct.11 - Oct. 20
Onaping	Sep. 21 - Sep. 30
Orangeville	Sep. 21 - Sep. 30
Orillia	Oct.1 - Oct. 10
Oshawa	Oct.11 - Oct. 20
Ottawa	Oct.1 - Oct. 10
Owen Sound	Oct.1 - Oct. 10
Paisley	Oct.1 - Oct. 10
Palmerston	Oct.1 - Oct. 10
Paris	Oct.1 - Oct. 10
Parry Sound	Sep. 21 - Sep. 30
Peawanuck	Jul. 21 - Jul. 31
Pelham	Oct.11 - Oct. 20
Pembroke	Sep. 21 - Sep. 30
Penetanguishene	Oct.1 - Oct. 10
Perth	Oct.1 - Oct. 10
Petawawa	Sep. 21 - Sep. 30
Peterborough	Sep. 21 - Sep. 30
Petrolia	Oct.11 - Oct. 20
Pickering	Oct. 21 - Oct. 31
Picton	Oct.11 - Oct. 20
Pikangikum	Sep. 21 - Sep. 30
Pleasant Point	Oct.1 - Oct. 10
Port Carling	Sep. 21 - Sep. 30
Port Colborne	Oct. 21 - Oct. 31
Port Dover	Oct.11 - Oct. 20
Port Elgin	Oct.1 - Oct. 10
Port Hope	Oct.11 - Oct. 20
Port Lambton	Oct. 21 - Oct. 31
Port Perry	Oct.11 - Oct. 20
Port Stanley	Oct.1 - Oct. 10
Powassan	Sep. 11 - Sep. 20
Prescott	Oct.1 - Oct. 10
Preston	Oct.1 - Oct. 10
Prince Edward County	Oct.11 - Oct. 20
Queensville	Oct.11 - Oct. 20
Red Lake	Sep. 11 - Sep. 20
Red Rock	Sep. 11 - Sep. 20
Renfrew	Sep. 21 - Sep. 30
Richmond Hill	Oct.11 - Oct. 20
Ridgetown	Oct.11 - Oct. 20
Rockton	Oct.1 - Oct. 10
Rockwood	Oct.1 - Oct. 10
Russell	Sep. 21 - Sep. 30
Sandy Lake	Sep. 21 - Sep. 30
Sarnia	Oct. 21 - Oct. 31
Sauble Beach	Oct.1 - Oct. 10
Sault Ste. Marie	Sep. 21 - Sep. 30
Sault Ste. Marie	Sep. 21 - Sep. 30
Schreiber	Sep. 11 - Sep. 20
Seaforth	Oct.1 - Oct. 10
Shannonville	Oct.11 - Oct. 20
Sheffield	Oct.1 - Oct. 10
Shelburne	Sep. 21 - Sep. 30
Simcoe	Oct.11 - Oct. 20
Sioux Narrows	Sep. 21 - Sep. 30
Skead	Sep. 21 - Sep. 30
Smiths Falls	Oct.1 - Oct. 10
Smooth Rock Falls	Sep. 1 - Sep. 10
Southampton	Oct.1 - Oct. 10
St Thomas	Oct.1 - Oct. 10
St. Catharines	Nov. 1 - Nov. 10
St. Marys	Oct.1 - Oct. 10
Stayner	Oct.1 - Oct. 10
Stittsville	Sep. 21 - Sep. 30
Stoney Creek	Oct.11 - Oct. 20
Stouffville	Oct. 21 - Oct. 31
Stratford	Oct.1 - Oct. 10
Strathroy	Oct.11 - Oct. 20
Sturgeon Falls	Sep. 21 - Sep. 30
Sudbury	Sep. 21 - Sep. 30
Sutton	Oct.1 - Oct. 10
Sutton West	Oct.1 - Oct. 10
Tavistock	Oct.1 - Oct. 10
Tecumseh	Oct. 21 - Oct. 31
Temagami	Sep. 21 - Sep. 30
Temiskaming Shores	Sep. 11 - Sep. 20
Terrace Bay	Sep. 11 - Sep. 20
Thessalon	Sep. 21 - Sep. 30
Thornbury	Oct.1 - Oct. 10
Thorold	Oct.11 - Oct. 20
Thunder Bay	Sep. 11 - Sep. 20
Tillsonburg	Oct.11 - Oct. 20
Timmins	Sep. 1 - Sep. 10
Toronto	Oct. 21 - Oct. 31
Trenton	Oct.1 - Oct. 10
Tudor and Cashel	Oct.1 - Oct. 10
Tweed	Oct.11 - Oct. 20
Tyendinaga	Oct.11 - Oct. 20
Uxbridge	Oct.11 - Oct. 20
Val Caron	Sep. 21 - Sep. 30
Val Therese	Sep. 21 - Sep. 30
Vandorf	Oct.11 - Oct. 20
Vaughan	Oct.11 - Oct. 20
Victoria Harbour	Oct.1 - Oct. 10
Wainfleet Township	Oct.11 - Oct. 20
Walkerton	Oct.1 - Oct. 10
Wallaceburg	Oct. 21 - Oct. 31
Wasaga Beach	Oct.1 - Oct. 10
Waterdown	Oct.1 - Oct. 10
Waterford	Oct.11 - Oct. 20
Waterloo	Oct.1 - Oct. 10
Wawa	Sep. 11 - Sep. 20
Welland	Oct.11 - Oct. 20
West Lincoln Township	Oct. 21 - Oct. 31
Wheatley	Oct. 21 - Oct. 31
Whitby	Oct.11 - Oct. 20
Wiarton	Oct.1 - Oct. 10
Williamsburg	Oct.1 - Oct. 10
Winchester	Sep. 21 - Sep. 30
Windsor	Oct. 21 - Oct. 31
Winona	Oct.11 - Oct. 20
Wollaston	Oct.1 - Oct. 10
Woodstock	Oct.1 - Oct. 10

Map of Ontario Average First Frost Dates

First Frost Date Maps for Neighboring States and Provinces

Related Ontario Maps:

List of Average First Frost Dates for Cities and Towns in Ontario