Editing Hamilton, Ontario (section)

===Climate===
[[File:8Hamilton Marina.JPG|thumb|[[Hamilton Harbour]] during the winter.]]
Hamilton's climate is [[Humid continental climate|humid-continental]], characterized by changeable weather patterns. In the [[Köppen climate classification|Köppen classification]], Hamilton is on the Dfb/Dfa boundary, found in [[southern Ontario]] because the average temperature in July is {{convert|22.0|C|1}}.<ref>{{Cite web |url=https://www.plantmaps.com/koppen-climate-classification-map-canada.php |title=Interactive Canada Koppen-Geiger Climate Classification Map |website=www.plantmaps.com |language=en |access-date=October 11, 2018 |archive-url=https://web.archive.org/web/20181012014555/https://www.plantmaps.com/koppen-climate-classification-map-canada.php |archive-date=October 12, 2018 |url-status=live}}</ref> However, its climate is moderate compared with most of Canada. The airport's open, rural location and higher altitude results in lower temperatures, generally windier conditions, and higher snowfall amounts than lower, built-up areas of the city. The highest temperature ever recorded in Hamilton was 41.1&nbsp;°C (106&nbsp;°F) on July 14, 1868.<ref name="Hamilton (July 1868)">{{cite web |publisher=[[Environment Canada]] |url=http://climate.weather.gc.ca/climate_data/daily_data_e.html?hlyRange=%7C&dlyRange=1866-01-01%7C1958-08-31&mlyRange=1866-01-01%7C1958-12-01&StationID=4931&Prov=ON&urlExtension=_e.html&searchType=stnName&optLimit=yearRange&StartYear=1840&EndYear=2016&selRowPerPage=25&Line=1&searchMethod=contains&Month=7&Day=12&txtStationName=hamilton&timeframe=2&Year=1868 |title=Hamilton (July 1868) |work=Canadian Climate Data |date=October 31, 2011 |access-date=March 23, 2016 |archive-url=https://web.archive.org/web/20160609182902/http://climate.weather.gc.ca/climate_data/daily_data_e.html?hlyRange=%7C&dlyRange=1866-01-01%7C1958-08-31&mlyRange=1866-01-01%7C1958-12-01&StationID=4931&Prov=ON&urlExtension=_e.html&searchType=stnName&optLimit=yearRange&StartYear=1840&EndYear=2016&selRowPerPage=25&Line=1&searchMethod=contains&Month=7&Day=12&txtStationName=hamilton&timeframe=2&Year=1868 |archive-date=June 9, 2016 |url-status=live}}</ref> The coldest temperature ever recorded was −30.6&nbsp;°C (−23&nbsp;°F) on January 25, 1884.<ref name="Hamilton (January 1884)">{{cite web |publisher=[[Environment Canada]] |url=http://climate.weather.gc.ca/climate_data/daily_data_e.html?hlyRange=%7C&dlyRange=1866-01-01%7C1958-08-31&mlyRange=1866-01-01%7C1958-12-01&StationID=4931&Prov=ON&urlExtension=_e.html&searchType=stnName&optLimit=yearRange&StartYear=1840&EndYear=2016&selRowPerPage=25&Line=1&searchMethod=contains&txtStationName=hamilton&timeframe=2&Year=1884&Month=1# |title=Hamilton (January 1884) |work=Canadian Climate Data |date=October 31, 2011 |access-date=March 23, 2016 |archive-url=https://web.archive.org/web/20160609191008/http://climate.weather.gc.ca/climate_data/daily_data_e.html?hlyRange=%7C&dlyRange=1866-01-01%7C1958-08-31&mlyRange=1866-01-01%7C1958-12-01&StationID=4931&Prov=ON&urlExtension=_e.html&searchType=stnName&optLimit=yearRange&StartYear=1840&EndYear=2016&selRowPerPage=25&Line=1&searchMethod=contains&txtStationName=hamilton&timeframe=2&Year=1884&Month=1 |archive-date=June 9, 2016 |url-status=live}}</ref> In 2023, it was found that the city has areas of poor air quality with a high concentration of [[benzo(a)pyrene]], particularly in neighbourhoods near industrial sites.<ref>{{cite web |last1=Peesker |first1=Saira |title=Breathing the air in parts of Hamilton is like smoking a cigarette a day, researcher says |url=https://www.cbc.ca/news/canada/hamilton/air-quality-hamilton-1.6904964 |website=CBC News |access-date=July 14, 2023 |archive-date=July 13, 2023 |archive-url=https://web.archive.org/web/20230713214901/https://www.cbc.ca/news/canada/hamilton/air-quality-hamilton-1.6904964 |url-status=live }}</ref>
{{Hamilton, Ontario weatherbox}}
{{Hamilton Airport weatherbox}}