Bremer County Climate
Bremer County, Iowa
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
46.4°F
Annual Precip
38.6"
Annual Snowfall
—
Extreme Heat Days
11
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
5a
Minimum winter temperature range for plant survival
2,778
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Bremer County
Climate Verdict
Bremer County has a cool, averaging 46.4°F annually, moderate rainfall of 38.6 inches per year, rare extreme heat with only 11 days above 90°F annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are very cold — January averages 16.1°F. summers are warm — July averages 72.2°F. Residents experience a substantial 56°F difference between winter and summer.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Bremer County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Bremer County closely matches the Iowa statewide average temperature of 48.0°F, it is somewhat wetter than average for Iowa.
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 sources: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020. Forecast and alert data from National Weather Service API. Air quality data from Open-Meteo.
Climate normals are 30-year averages of weather variables. Station data is aggregated to county level. Forecasts and alerts are fetched live and may change frequently. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.