Bremer County Climate
Bremer County, Iowa
Avg Annual Temp
46.4°F
Annual Precip
38.6"
Annual Snowfall
—
Extreme Heat Days
11
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Bremer County Weather
Cooler Northern Climate Patterns
Bremer County maintains an annual average temperature of 46.4°F, which is notably lower than the national median of approximately 53°F. This reflects a typical humid continental climate where four distinct seasons define the local lifestyle.
Below the Iowa State Average
The county's average temperature sits 1.6 degrees below the Iowa state average of 48.0°F. This positioning marks it as one of the cooler regions within the state's northern tier.
Consistency Across the Northern Border
Bremer's 46.4°F average closely tracks with neighboring Butler County's 46.7°F. It is slightly wetter than the state average, receiving 38.6 inches of precipitation annually compared to Iowa's 36.1-inch benchmark.
Mild Summers and Sharp Winters
Summer temperatures average a pleasant 70.4°F with only 11 days reaching above the 90°F mark. Winters are much more intense, featuring a January average of just 16.1°F.
Preparing for Significant Moisture
With precipitation levels exceeding the state average by 2.5 inches, residents should prioritize basement waterproofing and gutter maintenance. While local snowfall records are limited, the 19.7°F winter average necessitates high-efficiency heating systems.
Frequently Asked Questions
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Data source: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020.
Climate normals are 30-year averages of weather variables computed from 1991 to 2020. Station data is aggregated to county level using spatial averaging. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.