Simpson Weather

Weather and Climate at Simpson

Simpson College Iowa experiences a humid continental climate with four distinct seasons. Winters are cold and snowy, with average temperatures ranging from 15°F to 30°F (-9°C to -1°C). Summers are warm and humid, with temperatures typically between 65°F and 85°F (18°C to 29°C).

• Spring and Fall are transitional with mild temperatures and occasional rain.
• Rainfall is spread throughout the year, with an average of 35 inches annually.
• Extreme Weather includes thunderstorms in summer and blizzards in winter, which can affect commuting and campus life.

The climate at Simpson can impact outdoor research activities, particularly during the harsh winter months.