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"Preserving the future,
one seed at a time." ™
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Average First and
Last Frost Dates
for
Ontario, Canada
| City |
Spring |
Fall |
| Barrie* |
5/26 |
9/16 |
| Hamilton |
4/29 |
10/15 |
| Kingston |
5/2 |
10/10 |
| London |
5/9 |
10/8 |
| Ottawa |
5/6 |
10/5 |
| Owen
Sound |
5/12 |
10/15 |
| Parry
Sound* |
5/17 |
9/28 |
| Peterborough |
5/18 |
9/20 |
| St.
Catherines* |
5/2 |
10/17 |
| Sudbury |
5/17 |
9/25 |
| Thunder
Bay |
6/1 |
9/15 |
Timmins
(Shania Twain's Hometown) |
6/8 |
9/6 |
| Toronto |
5/9 |
10/6 |
| Windsor |
4/25 |
10/22 |
Source:
Environment
Canada. Dates are calculated based on a 30 year rolling
average of the last spring and first fall frosts from station data
compiled between the years 1961
to 1990. (1)
Additionally,
click here for more information.
* - Those locations marked with an asterisk are averaged from
the dates 1951 to 1980.
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