Warning: Do not plant in cold wet soil or you may experience poor germination! Soil Requirements: Requires fertile soil in a well drained location in the garden.
Afternoon high temperatures are highest in Montgomery (92.4 degrees daily from June through August) and in Tuscaloosa. The average nighttime humidity is highest in southwest Alabama, which results in the highest average (high plus low temperature) for reporting stations in the state.
The warmest Alabama summer in this dataset was 1954, when the average daily high temperature was 95.72Â°. It was the 17th warmest summer in the Huntsville area, with an average daily high of 92.61Â°, compared to a seasonal average of 90.07Â°. It was the 35th warmest summer in Birmingham (91.36Â° compared to a summer norm of 90.12Â°), and the 38th warmest summer in Mobile (91.45Â° with a summer average of 90.76Â°). In general, Alabamaâs summers have been cooling, especially since 1954.