Editing Chelmsford, Massachusetts (section)

==Climate==
{{climate chart
|Chelmsford, Massachusetts
|17|35|3.53
|19|38|2.84
|27|47|4.05
|36|58|3.76
|46|69|3.66
|55|77|3.36
|60|82|3.57
|59|81|3.42
|50|73|3.39
|39|62|3.92
|31|51|3.83
|22|40|3.54
|source=<ref name="MSN weather">{{cite web |url=http://weather.msn.com/local.aspx?wealocations=wc:USMA0080&q=Chelmsford%2c+MA |publisher=MSN |year=2010 |access-date=January 25, 2010 |title=Monthly averages and records |archive-url=https://web.archive.org/web/20090318140419/http://weather.msn.com/local.aspx?wealocations=wc:USMA0080&q=Chelmsford%2C+MA |archive-date=March 18, 2009 |url-status=dead}}</ref>
|float=right
|units=imperial
}}
Like much of the rest of Massachusetts, Chelmsford has a [[humid continental climate]] according to the [[Köppen climate classification]].  Summers are typically warm and humid, while winters tend to be cold, windy, and snowy.  The level of precipitation is roughly consistent throughout the year.<ref name="MSN weather"/>

In a typical year, Chelmsford, Massachusetts temperatures fall below 50°F for 195 days per year. Annual precipitation is typically 44.1 inches per year (high for the US) and snow covers the ground 62 days per year, or 17.0% of the year (high in the US). It may be helpful to understand the yearly precipitation by imagining nine straight days of moderate rain per year. The humidity is below 60% for approximately 25.4 days, or 7.0% of the year.<ref name="Climate in Chelmsford, Massachusetts">{{cite web | title=Climate in Chelmsford, Massachusetts| url=https://dwellics.com/massachusetts/climate-in-chelmsford | access-date=March 31, 2023 }}</ref>
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