Sherman County Climate
Sherman County, Nebraska
Avg Annual Temp
50.1°F
Annual Precip
27.6"
Annual Snowfall
30.7"
Extreme Heat Days
29.2
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Sherman County Weather
A central plains continental climate
Sherman County maintains an average annual temperature of 50.1°F, sitting slightly below the national median. This typical continental climate experiences significant temperature swings throughout the year. Annual precipitation averages 27.6 inches, providing more moisture than many counties further west.
Warmer than the Nebraska average
The county's 50.1°F annual average is slightly warmer than the Nebraska state average of 49.7°F. It ranks among the warmer central counties in the state. While it isn't the hottest, it consistently tracks ahead of the state's typical temperature profile.
Warm and wet relative to neighbors
Compared to nearby Valley County at 48.6°F, Sherman County stays noticeably warmer year-round. It also receives 27.6 inches of rain annually, which is roughly two inches more than Valley's 25.4-inch average. This makes it a relatively lush pocket within the central Nebraska region.
Hot summers and snowy winters
July brings an average high of 75.5°F, including 29 days where temperatures soar above 90°F. In the winter, the county averages 30.7 inches of snowfall while January temperatures dip to 24.9°F. These conditions require residents to prepare for both extreme heat and significant winter accumulation.
Prepare for variable central weather
Homeowners should prioritize efficient HVAC systems to handle nearly a month of extreme heat days. With over 30 inches of snow annually, reliable removal equipment is essential for winter safety. Robust attic insulation helps manage the 50-degree difference between summer and winter averages.
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.