Date of Last Spring Frost (<0C): 1961 to 2000

 
 
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 The date of the last spring frost is the date after which the spring daily minimum temperature remains above 0C. Most agricultural areas of Alberta are frost-free by June 1. The southeast is frost-free earliest, and the north is frost-free only a few days to weeks later. However, frost may occur into July in agricultural areas in some years. Frost can occur in the mountain and foothills regions any time in the summer, especially at higher elevations.
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This document is maintained by Laura Thygesen.
This information published to the web on April 4, 2003.
Last Reviewed/Revised on May 16, 2017.