![](http://data.mesonet.org/data/public/climate/ok/archive/normals/images/1991-2020/avg_grow.1991-2020.png)
About This Product
This map displays the average number of days the growing season has been frost free throughout Oklahoma. This map was created using daily reports from National Weather Service Cooperative Observers, volunteer weather observers who provide data for the climatological record of Oklahoma and the United States.