Iowa Monthly Weather Summary – December 2024

General Summary

Temperatures averaged 28.2 degrees or 3.2 degrees above normal, while precipitation averaged 1.24 inches or 0.13 inch below normal. December 2024 ties 1940 and 2003 as the 37th warmest in 152 years of statewide records; it ties 1881 as the 86th driest. A warmer December occurred just last year (3rd warmest) while a drier one was last recorded in 2021.

Justin M. Glisan, Ph.D.
State Climatologist of Iowa
Iowa Dept. of Agriculture & Land Stewardship
Wallace State Office Bldg.
Des Moines, IA 50319
Telephone; (515) 281-8981
E-mail: Justin.Glisan@IowaAgriculture.gov