Climate & Weather Patterns in Rock County

The climate of Rock County is continental, characterized by four-seasonal  temperature and precipitation patterns. Its central location within the Nation's mid-latitude belt places the County under the influence of both high and low atmospheric pressure systems.

The average growing season is usually 165 days, with the last freeze date near May 1 and the first fall date about October 13. Generally, the majority of the year's precipitation falls within the growing season.

Prevailing winds within the Winter are from the West, while Southerly winds prevail during the Summer. March, April and November are considered the windiest months with average wind speeds of approximately 12 miles per hour. July and August are generally reported to be the least windy with reported averages of about nine miles per hour.

Specific weather patterns, such as daily temperatures, precipitation rates, etc. can be found in the most current version of the Statistical Abstract of the United States or real-time by visiting the Weather Channel


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