Editing Middlesex County, New Jersey (section)

==Geography and climate==
Middlesex has a hot-summer [[humid continental climate]] (''Dfa'') which borders a [[humid subtropical climate]] (''Cfa'') on [[Raritan Bay]] and [[Arthur Kill]]. Average monthly temperatures in downtown New Brunswick range from {{Convert|31.9|F|C}} in January to {{Convert|75.6|F|C}} in July, while in South Amboy they range from {{Convert|32.3|F|C}} in January to {{Convert|75.9|F|}} in July.<ref>[http://prism.oregonstate.edu/explorer/ Time Series Values for Individual Locations], [[Oregon State University]]. Accessed June 24, 2023.</ref> In recent years, average temperatures in the county seat of New Brunswick have ranged from a low of {{convert|22|°F}} in January to a high of {{convert|86|°F}} in July, although a record low of {{convert|-13|°F}} was recorded in January 1984 and a record high of {{convert|103|°F}} was recorded in July 1999. Average monthly precipitation ranged from {{convert|2.98|in}} in February to {{convert|5.08|in}} in July.<ref name="weather"/>

According to the [[United States Census Bureau|U.S. Census Bureau]], as of the 2020 Census, the county had a total area of {{convert|322.87|sqmi}}, of which {{convert|309.22|sqmi}} was land (95.8%) and {{convert|13.65|sqmi}} was water (4.2%).<ref name=CensusArea>[https://www2.census.gov/geo/docs/maps-data/data/gazetteer/2020_Gazetteer/2020_gaz_counties_34.txt 2020 Census Gazetteer File for Counties in New Jersey], [[United States Census Bureau]]. Accessed April 1, 2023.</ref> The county is named after the historic English county of [[Middlesex]].<ref>[[Joseph Nathan Kane|Kane, Joseph Nathan]]; and Aiken, Charles Curry. [https://books.google.com/books?id=yC9vFvCuW84C&pg=PA202 ''The American Counties: Origins of County Names, Dates of Creation, and Population Data, 1950-2000''], p. 202. [[Scarecrow Press]], 2005. {{ISBN|0810850362}}. Accessed January 22, 2013.</ref>

Bisected by the [[Raritan River]], the county is topographically typical of [[Central Jersey]] in that it is largely flat. The majority of the county is located on the [[coastal plain|inner coastal plain]], with the remainder of the county being located on the [[Piedmont (United States)|Eastern Piedmont]]. The elevation ranges from [[sea level]] to {{convert|300|ft}} above sea level on a hill scaled by Major Road/ Sand Hill Road near [[U.S. Route 1 in New Jersey|Route 1]] in [[South Brunswick, New Jersey|South Brunswick Township]].<ref>[http://www.peakbagger.com/list.aspx?lid=13320 New Jersey County High Points] {{webarchive|url=https://web.archive.org/web/20150518173742/http://www.peakbagger.com/list.aspx?lid=13320 |date=May 18, 2015 }}, Peakbagger.com. Accessed October 5, 2013.</ref>

Another area with higher elevation in the county is the Perth Amboy Moraine, left by the southern limit of the Laurentide Ice Sheet. Only the far northeastern area of the county was glaciated, and the Perth Amboy Moraine stretches from Perth Amboy, through Woodbridge, Edison and Metutchen, and stradles the border of Edison and South Plainfield before exiting the county. The area includes peaks of over 200 feet.{{Citation needed|date=April 2023}}

{{climate chart
|[[New Brunswick, New Jersey]]
|22|39|3.62
|24|43|2.98
|30|51|4.18
|40|62|4.23
|50|72|4.19
|60|81|4.41
|65|86|5.08
|64|84|4.15
|55|77|4.51
|43|66|3.80
|36|55|3.83
|27|44|4.06
|float=right
|units=imperial
|clear=both
|source=The Weather Channel<ref name="weather">[http://www.weather.com/weather/wxclimatology/monthly/graph/USNJ0348 Monthly Averages for New Brunswick, New Jersey] {{webarchive|url=https://web.archive.org/web/20130708164124/http://www.weather.com/weather/wxclimatology/monthly/graph/USNJ0348 |date=July 8, 2013 }}, [[The Weather Channel]]. Accessed October 13, 2012.</ref>}}