May in Iowa typically marks a transition from spring to summer, characterized by increasing temperatures, longer daylight hours, and the potential for severe weather. Average high temperatures range from the mid-60s to low 70s Fahrenheit (around 18-22 degrees Celsius), while average lows range from the mid-40s to low 50s Fahrenheit (around 7-10 degrees Celsius). Rainfall becomes more frequent compared to earlier spring months, contributing to the growth of the state’s abundant vegetation. This period also experiences an increase in humidity levels.
Understanding Iowa’s climatic conditions during this month is crucial for various sectors, including agriculture, tourism, and outdoor recreation. Farmers rely on this information for planting and crop management decisions. Visitors can plan activities accordingly, anticipating suitable clothing and potential weather disruptions. Historically, May’s variable weather has played a significant role in shaping the state’s landscape and agricultural practices. The months combination of warmth and rainfall is essential for the successful cultivation of corn and soybeans, key components of Iowa’s economy.