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Frost Dates for Saint-Ambroise, QC
See the average dates of the last frost of spring and the first frost of fall for your location across the U.S. and Canada.
| Nearest Climate Station | Altitude | Last Spring Frost | First Fall Frost | Growing Season |
|---|---|---|---|---|
| ST AMBROISE, QC | 396' | Jun 15 | Aug 28 | 73 days |
Last and first frost dates are 33% probability. Calculated using 1981-2010 Climate Normals from Environment Canada.
Note that frost dates are only an estimate based on historical climate data and are not set in stone. The probability of a frost (32° or lower) occurring after the spring frost date or before the fall frost date is 30%, which means that there is still a chance of frost occurring before or after the given dates!
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