Editing Detroit (section)

===Climate===
{{climate chart
|Detroit, Michigan
|19.1|32.0|1.96
|21.0|35.2|2.02
|28.6|45.8|2.28
|39.4|59.1|2.90
|49.4|69.9|3.38
|59.5|79.3|3.52
|63.9|83.4|3.37
|62.6|81.4|3.00
|54.7|74.0|3.27
|43.3|61.6|2.52
|34.3|48.8|2.79
|24.1|36.1|2.46
|float=right
|clear=both
|units=imperial
}}
Detroit and the rest of southeastern Michigan have a hot-summer [[humid continental climate]] ([[Köppen climate classification|Köppen]]: ''Dfa'') which is influenced by the [[Great Lakes]] like other places in the [[Michigan|state]];<ref>{{cite web|url=http://www.detroit.climatemps.com/|title=Detroit, Michigan Climate Detroit, Michigan Temperatures Detroit, Michigan Weather Averages|website=Detroit.climatemps.com|access-date=March 24, 2020|archive-url=https://web.archive.org/web/20200324161122/http://www.detroit.climatemps.com/|archive-date=March 24, 2020|url-status=dead}}</ref><ref>{{Cite book|last=Muller|first=M. J.|url=https://books.google.com/books?id=az3qCAAAQBAJ&q=Detroit+koppen+dfa&pg=PA166|title=Selected climatic data for a global set of standard stations for vegetation science|date=December 6, 2012|publisher=Springer Science & Business Media|isbn=978-94-009-8040-2|language=en}}</ref><ref>{{cite web|url=https://www.britannica.com/place/Michigan|title=Michigan - Climate|website=Encyclopedia Britannica|language=en|access-date=March 24, 2020}}</ref> the city and close-in suburbs are part of USDA [[Hardiness zone]] 6b, while the more distant northern and western suburbs generally are included in zone 6a.<ref>{{cite web|title=USDA Plant Hardiness Zone Map|url=http://planthardiness.ars.usda.gov/PHZMWeb/|publisher=United States Department of Agriculture|access-date=June 1, 2014|archive-url=https://web.archive.org/web/20140227032333/http://planthardiness.ars.usda.gov/PHZMWeb/|archive-date=February 27, 2014|url-status=dead}}</ref> Winters are cold, with moderate snowfall and temperatures not rising above freezing on an average 44&nbsp;days annually, while dropping to or below {{convert|0|°F|0}} on an average 4.4&nbsp;days a year; summers are warm to hot with temperatures exceeding {{convert|90|°F|0}} on 12&nbsp;days.<ref name="NOAA-D"/> The warm season runs from May to September. The monthly daily mean temperature ranges from {{convert|25.6|°F|1}} in January to {{convert|73.6|°F|1}} in July. Official temperature extremes range from {{convert|105|°F|0}} on July 24, 1934, down to {{convert|-21|°F|0}} on January 21, 1984; the record low maximum is {{convert|-4|°F|0}} on [[1994 North American cold wave|January 19, 1994]], while, conversely the record high minimum is {{convert|80|°F|0}} on August 1, 2006, the most recent of five occurrences.<ref name="NOAA-D"/> A decade or two may pass between readings of {{convert|100|°F|0}} or higher, which last occurred [[Summer 2012 North American heat wave|July 17, 2012]]. The average window for freezing temperatures is October 20 through April 22, allowing a growing season of 180 days.<ref name="NOAA-D"/>

Precipitation is moderate and somewhat evenly distributed throughout the year, although the warmer months such as May and June average more, averaging {{convert|33.5|in|mm}} annually, but historically ranging from {{convert|20.49|in|mm|abbr=on}} in 1963 to {{convert|47.70|in|mm|abbr=on}} in 2011.<ref name="NOAA-D"/> Snowfall, which typically falls in measurable amounts between November 15 through April 4 (occasionally in October and very rarely in May),<ref name="NOAA-D"/> averages {{convert|42.5|in|cm|0}} per season, although historically ranging from {{convert|11.5|in|cm|abbr=on}} in 1881–82 to {{convert|94.9|in|cm|abbr=on}} in [[2013–14 North American cold wave|2013–14]].<ref name="NOAA-D"/> A thick layer of snow is not often seen, with an average of only 27.5&nbsp;days with {{convert|3|in|cm|abbr=on}} or more of snow cover.<ref name="NOAA-D"/> [[Thunderstorms]] are frequent in the Detroit area. These usually occur during spring and summer.<ref>{{cite web|url=http://www.ameriquefrancaise.org/en/article-317/Jesuit_Pear_Trees.html|title=Articles &#124; Encyclopédie du patrimoine culturel de l'Amérique française – histoire, culture, religion, héritage |publisher=Ameriquefrancaise.org |date=May 2, 1941 |access-date=March 29, 2013}}</ref>
{{Clear}}
{{Detroit weatherbox}}

{{Graph:Weather monthly history
| table=ncei.noaa.gov/weather/Detroit.tab
| title=Detroit weather
}}

{|  class="wikitable mw-collapsible mw-collapsed" style="width:100%; text-align:center; line-height:1.2em; margin-left:auto; margin-right:auto"
|-
!Colspan=14|Climate data for Detroit
|-
!Month
!Jan
!Feb
!Mar
!Apr
!May
!Jun
!Jul
!Aug
!Sep
!Oct
!Nov
!Dec
!style="border-left-width:medium"|Year
|-
!Mean No. of days with Maximum temperature => {{Convert|90.0|F|C|abbr=on}}
|style="background:#ffffff;color:#000000;"|0
|style="background:#ffffff;color:#000000;"|0
|style="background:#ffffff;color:#000000;"|0
|style="background:#ffffff;color:#000000;"|0
|style="background:#FFCCCC;color:#000000;"|1
|style="background:#FFC0C0;color:#000000;"|3
|style="background:#FF9999;color:#000000;"|5
|style="background:#FFC0C0;color:#000000;"|3
|style="background:#FFCCCC;color:#000000;"|1
|style="background:#ffffff;color:#000000;"|0
|style="background:#ffffff;color:#000000;"|0
|style="background:#ffffff;color:#000000;"|0
|style="background:#FFCCCC;color:#000000;border-left-width:medium"|13
|-
!Mean No. of days with Minimum temperature => {{Convert|68.0|F|C|abbr=on}}
|style="background:#ffffff;color:#000000;"|0
|style="background:#ffffff;color:#000000;"|0
|style="background:#ffffff;color:#000000;"|0
|style="background:#ffffff;color:#000000;"|0
|style="background:#FFE5CC;color:#000000;"|1
|style="background:#FFCC99;color:#000000;"|5
|style="background:#FFB266;color:#000000;"|10
|style="background:#FFC0C0;color:#000000;"|8
|style="background:#FFE5CC;color:#000000;"|2
|style="background:#ffffff;color:#000000;"|0
|style="background:#ffffff;color:#000000;"|0
|style="background:#ffffff;color:#000000;"|0
|style="background:#FFE0C0;color:#000000;border-left-width:medium"|25
|-
!Mean No. of days with Minimum temperature <= {{Convert|32.0|F|C|abbr=on}}
|style="background:#003366;color:#ffffff;"|27
|style="background:#004080;color:#ffffff;"|25
|style="background:#004C99;color:#ffffff;"|21
|style="background:#80C0FF;color:#000000;"|6
|style="background:#FFFFFF;color:#000000;"|0
|style="background:#FFFFFF;color:#000000;"|0
|style="background:#FFFFFF;color:#000000;"|0
|style="background:#FFFFFF;color:#000000;"|0
|style="background:#FFFFFF;color:#000000;"|0
|style="background:#C0E0FF;color:#000000;"|2
|style="background:#3399FF;color:#ffffff;"|14
|style="background:#004080;color:#ffffff;"|24
|style="background:#66B2FF;color:#ffffff;border-left-width:medium"|120
|-
!Mean No. of days with Maximum temperature <= {{Convert|32.0|F|C|abbr=on}}
|style="background:#00FFFF;color:#000000;"|16
|style="background:#40FFFF;color:#000000;"|12
|style="background:#C0FFFF;color:#000000;"|3
|style="background:#FFFFFF;color:#000000;"|0
|style="background:#FFFFFF;color:#000000;"|0
|style="background:#FFFFFF;color:#000000;"|0
|style="background:#FFFFFF;color:#000000;"|0
|style="background:#FFFFFF;color:#000000;"|0
|style="background:#FFFFFF;color:#000000;"|0
|style="background:#FFFFFF;color:#000000;"|0
|style="background:#CCFFFF;color:#000000;"|1
|style="background:#66FFFF;color:#000000;"|10
|style="background:#C0FFFF;color:#000000;border-left-width:medium"|42
|-
!Mean No. of days with snow depth => {{Convert|0.1|in|cm|abbr=on}}
|style="background:#6666CC;color:#ffffff;"|17
|style="background:#9999FF;color:#ffffff;"|14
|style="background:#CCCCFF;color:#000000;"|6
|style="background:#E5E5FF;color:#000000;"|1
|style="background:#FFFFFF;color:#000000;"|0
|style="background:#FFFFFF;color:#000000;"|0
|style="background:#FFFFFF;color:#000000;"|0
|style="background:#FFFFFF;color:#000000;"|0
|style="background:#FFFFFF;color:#000000;"|0
|style="background:#FFFFFF;color:#000000;"|0
|style="background:#E5E5FF;color:#000000;"|2
|style="background:#C0C0FF;color:#000000;"|8
|style="background:#E0E0FF;color:#000000;border-left-width:medium"|48
|-
!Average sea temperature °F (°C)
| style="background:#0d0dff; color:#fff;"|33.6<br />(0.9)
| style="background:#0606ff; color:#fff;"|32.7<br />(0.4)
| style="background:#0c0cff; color:#fff;"|33.4<br />(0.8)
| style="background:#4040ff; color:#fff;"|39.7<br />(4.3)
| style="background:#8d8dff; color:#000;"|48.9<br />(9.4)
| style="background:#fff1c3; color:#000;"|63.9<br />(17.7)
| style="background:#ff7b00; color:#000;"|74.7<br />(23.7)
| style="background:#ff7300; color:#000;"|75.4<br />(24.1)
| style="background:#ffa800; color:#000;"|70.5<br />(21.4)
| style="background:#ebebff; color:#000;"|60.3<br />(15.7)
| style="background:#8a8aff; color:#000;"|48.6<br />(9.2)
| style="background:#3232ff; color:#fff;"|38.1<br />(3.4)
| style="background:#a3a3ff; color:#000; border-left-width:medium;"|51.7<br />(10.9)
|-
!Mean daily daylight hours
| style="background:#e9e900; color:#000;"|9.0
| style="background:#f7f722; color:#000;"|11.0
| style="background:#ff3; color:#000;"|12.0
| style="background:#ff4; color:#000;"|13.0
| style="background:#ff6; color:#000;"|15.0
| style="background:#ff6; color:#000;"|15.0
| style="background:#ff6; color:#000;"|15.0
| style="background:#ff5; color:#000;"|14.0
| style="background:#ff3; color:#000;"|12.0
| style="background:#f7f722; color:#000;"|11.0
| style="background:#f0f011; color:#000;"|10.0
| style="background:#e9e900; color:#000;"|9.0
| style="background:#ffff35; color:#000; border-left-width:medium;"|12.2
|-
!Average [[Ultraviolet index]]
| style="background:#289500; color:#000;"|1
| style="background:#289500; color:#000;"|2
| style="background:#f7e400; color:#000;"|4
| style="background:#f85900; color:#000;"|6
| style="background:#f85900; color:#000;"|7
| style="background:#d8001d; color:#000;"|8
| style="background:#d8001d; color:#000;"|9
| style="background:#d8001d; color:#000;"|8
| style="background:#f85900; color:#000;"|6
| style="background:#f7e400; color:#000;"|4
| style="background:#289500; color:#000;"|2
| style="background:#289500; color:#000;"|1
| style="background:#f7e400; color:#000; border-left-width:medium;"|4.8
|-
!Colspan=14 style="background:#f8f9fa;font-weight:normal;font-size:95%;"|Source 1: NWS (1991–2020)<ref name=NWS>{{cite web |url=https://www.weather.gov/wrh/climate?wfo=dtx |title=NOAA Online Weather Data: Detroit Area, MI |publisher=[[National Weather Service]] |access-date=April 17, 2024 }}</ref>
|-
!Colspan=14 style="background:#f8f9fa;font-weight:normal;font-size:95%;"|Source 2 : Weather Atlas (daylight-UV-water temperature)<ref name="Weather Atlas">{{cite web |url=https://www.weather-us.com/en/michigan-usa/detroit-climate |title=Detroit, Michigan, USA – Monthly weather forecast and Climate data |publisher=Weather Atlas |access-date=January 25, 2019 }}</ref>
|}