Editing Jacksonville, Florida (section)

===Climate===

{{climate chart
|Jacksonville
|6|18|84
|8|20|81
|10|24|100
|14|27|67
|18|30|63
|22|32|164
|23|33|166
|23|33|172
|21|31|208
|16|27|100
|11|23|54
|8|20|71
|float = right
|clear = both
|source =<ref name= NOAA/>}}

According to the [[Köppen climate classification]], Jacksonville has a [[humid subtropical climate]] (Cfa), with hot humid summers, and warm to mild and drier winters. Seasonal rainfall is concentrated in the warmest months from May through September, when brief but intense downpours with thunder and lightning are common, while the driest months are from November through April. Rainfall averages around {{convert|52|in|m}} a year.<ref>{{cite web|url=http://www.srh.noaa.gov/jax/?n=climate|title=NWS Jacksonville, FL [Climate Page]|work=noaa.gov|access-date=February 1, 2011|archive-date=February 10, 2011|archive-url=https://web.archive.org/web/20110210050613/http://www.srh.noaa.gov/jax/?n=climate|url-status=dead}}</ref>

Normal monthly mean temperatures range from {{convert|54.2|°F|1}} in January to {{convert|82.5|°F|1}} in July; high temperatures average {{convert|65.5|to|91.9|°F|°C}} throughout the year.<ref name= NOAA/>

The city of Jacksonville usually averages only about 10 to 15 nights at or below freezing. Such cold weather is usually short-lived.<ref>{{cite web|url=http://lwf.ncdc.noaa.gov/oa/climate/online/ccd/min32temp.html |archive-url=https://web.archive.org/web/20011217185325/http://lwf.ncdc.noaa.gov/oa/climate/online/ccd/min32temp.html |url-status=dead |archive-date=December 17, 2001 |title=NOAA/National Climatic Data Center: Table-Mean Number of Days With Minimum Temperature 32 Degrees F or Less |publisher=Lwf.ncdc.noaa.gov |date=August 20, 2008 |access-date=July 1, 2010 }}</ref> The coldest temperature recorded at [[Jacksonville International Airport]] was {{convert|7|°F|0}} on [[January 1985 Arctic outbreak|January 21, 1985]]. Jacksonville has recorded four days with measurable snow since 1911, most recently a one-inch (2.5&nbsp;cm) snowfall in December 1989,<ref>{{cite web |title= Five Weirdest White Christmases: #3 Florida/Southeast (1989) |first= Jonathan |last= Erdman |work= The Weather Channel |date= November 14, 2011 |archive-url= https://web.archive.org/web/20130520110349/http://www.weather.com/outlook/weather-news/news/articles/white-christmas-five-strangest_2011-11-14?page=4 |archive-date= May 20, 2013 |url= http://www.weather.com/outlook/weather-news/news/articles/white-christmas-five-strangest_2011-11-14?page=4 }}</ref> flurries in December 2010,<ref>Anderson, Zac. "[http://infoweb.newsbank.com/iw-search/we/InfoWeb?p_product=AWNB&p_theme=aggregated5&p_action=doc&p_docid=1346687A2D1590A0&p_docnum=24&p_queryname=10 December chill vying for record]". ''Sarasota Herald-Tribune''. December 27, 2010. p. A1.</ref> and 1/10 of an inch (0.25 cm) of snow in January, 2025.<ref>Freeman, Clayton. "[https://www.jacksonville.com/story/weather/2025/01/22/jacksonville-snow-2025-winter-storm-snowfall-at-airport/77889226007/]". The Florida Times-Union, January 22, 2025.</ref>

Jacksonville has only received one direct hit from a hurricane since 1871. The rarity of direct strikes is attributed to chance.<ref name=TampaBayTimes>{{cite news |last1= Dawson|first1=Anastasia |last2=Johnson |first2=Corey G. |last3=Bedi |first3=Neil|date=October 6, 2017 |title= The city that never drains |url= https://projects.tampabay.com/projects/2017/investigations/jacksonville-never-drains-hurricane/|work= [[Tampa Bay Times]]|location= [[St. Petersburg, Florida]] |access-date= August 30, 2018}}</ref> However, the city has experienced hurricane or near-hurricane conditions more than a dozen times due to storms crossing the state from the Gulf of Mexico to the Atlantic Ocean, or passing to the north or south in the Atlantic and brushing past the area.<ref name=hurricanecity>{{cite web| url = http://www.hurricanecity.com/city/jacksonville.htm| title = Jacksonville, Florida's history with tropical systems| work = HurricaneCity| access-date = August 30, 2018}}</ref> The strongest effect on Jacksonville was from [[Hurricane Dora (1964)|Hurricane Dora]] in 1964, the only recorded storm to hit the First Coast with sustained hurricane-force winds. The eye crossed St. Augustine with winds that had just barely diminished to {{convert|110|mi/h|km/h|-1|abbr=on}}, making it a strong Category 2 on the [[Saffir–Simpson Hurricane Scale|Saffir-Simpson Scale]]. In 1979, [[Hurricane David]] passed offshore by {{convert|40|mi|km|0|abbr=off}}, bringing winds around {{convert|95|mi/h|km/h|-1|abbr=on}}.<ref name=hurricanecity/> [[Hurricane Floyd]] in 1999 caused damage mainly to Jacksonville Beach; the Jacksonville Beach pier was severely damaged and later demolished.

In 2004, Jacksonville was inundated by [[Hurricane Frances]] and [[Hurricane Jeanne]], which made landfall south of the area, and suffered minor damage from [[Tropical Storm Bonnie (2004)|Tropical Storm Bonnie]], which spawned a minor tornado.<ref>[http://www.news4jax.com/weather/3648478/detail.html "Bonnie-Spawned Tornado Rips Through Northwest Jacksonville"] (August 13, 2004). [[WJXT]]. {{webarchive|url=https://web.archive.org/web/20051111174953/http://www.news4jax.com/weather/3648478/detail.html|date=November 11, 2005}}</ref> Jacksonville also suffered damage from 2008's [[Tropical Storm Fay (2008)|Tropical Storm Fay]], which crisscrossed the state, bringing parts of Jacksonville under darkness for four days. Fay damaged, but did not destroy, the Jacksonville Beach pier that was rebuilt after Floyd. On May 28, 2012, Jacksonville was hit by [[Tropical Storm Beryl (2012)|Tropical Storm Beryl]], packing winds up to {{convert|70|mi/h|km/h|-1|abbr=on}}, which made landfall near [[Jacksonville Beach]]. [[Hurricane Matthew]] passed {{convert|37|mi|km|0|abbr=on}} to the east with winds of 110 miles per hour. It caused storm surge, extensive flooding of the Atlantic Ocean and St. Johns River, and wind damage; the storm knocked out power for 250,000 people.<ref name=TampaBayTimes/><ref name=hurricanecity/> In 2017, [[Hurricane Irma]] passed {{convert|75|mi|km|0|abbr=on}} to the west with {{convert|65|mi/h|km/h|-1|abbr=on}} winds.<ref name=hurricanecity/> It caused severe storm surge and flooding, passing the flood record of Hurricane Dora in 1964.<ref name=TampaBayTimes/>

{{Weather box
| location = Jacksonville, Florida ([[Jacksonville International Airport|Jacksonville Int'l]]), 1991−2020 normals,{{efn|Mean monthly maxima and minima (i.e. the expected highest and lowest temperature readings at any point during the year or given month) calculated based on data at said location from 1991 to 2020}} extremes 1871−present{{efn|Official records for Jacksonville were kept at downtown from September 1871 to December 1955, [[Imeson Field]] from January 1, 1956, to January 18, 1971, and at Jacksonville Int'l since January 19, 1971. For more information, see [http://threadex.rcc-acis.org/ ThreadEx].}}
| single line = Y
| collapsed = Y
| Jan record high F = 87
| Feb record high F = 89
| Mar record high F = 94
| Apr record high F = 95
| May record high F = 100
| Jun record high F = 103
| Jul record high F = 105
| Aug record high F = 102
| Sep record high F = 100
| Oct record high F = 96
| Nov record high F = 89
| Dec record high F = 85
| year record high F = 105
| Jan avg record high F = 80.4
| Feb avg record high F = 82.9
| Mar avg record high F = 86.4
| Apr avg record high F = 89.6
| May avg record high F = 94.1
| Jun avg record high F = 96.8
| Jul avg record high F = 97.4
| Aug avg record high F = 96.2
| Sep avg record high F = 93.4
| Oct avg record high F = 89.1
| Nov avg record high F = 84.6
| Dec avg record high F = 81.1
| year avg record high F = 98.4
| Jan high F = 65.5
| Feb high F = 68.9
| Mar high F = 74.3
| Apr high F = 79.8
| May high F = 85.9
| Jun high F = 89.9
| Jul high F = 91.9
| Aug high F = 90.7
| Sep high F = 87.1
| Oct high F = 80.8
| Nov high F = 73.1
| Dec high F = 67.5
| year high F = 79.7
| Jan mean F = 54.2
| Feb mean F = 57.5
| Mar mean F = 62.4
| Apr mean F = 68.1
| May mean F = 74.9
| Jun mean F = 80.3
| Jul mean F = 82.5
| Aug mean F = 82.1
| Sep mean F = 78.8
| Oct mean F = 71.2
| Nov mean F = 62.3
| Dec mean F = 56.7
| year mean F = 69.3
| Jan low F = 42.4
| Feb low F = 45.6
| Mar low F = 50.0
| Apr low F = 55.8
| May low F = 63.3
| Jun low F = 70.2
| Jul low F = 72.7
| Aug low F = 72.9
| Sep low F = 70.0
| Oct low F = 61.1
| Nov low F = 50.8
| Dec low F = 45.3
| year low F = 58.4
| Jan avg record low F = 25.3
| Feb avg record low F = 28.2
| Mar avg record low F = 32.6
| Apr avg record low F = 40.8
| May avg record low F = 50.7
| Jun avg record low F = 62.5
| Jul avg record low F = 68.2
| Aug avg record low F = 68.1
| Sep avg record low F = 60.5
| Oct avg record low F = 44.8
| Nov avg record low F = 33.1
| Dec avg record low F = 29.2
| year avg record low F = 23.5
| Jan record low F = 7
| Feb record low F = 10
| Mar record low F = 23
| Apr record low F = 31
| May record low F = 45
| Jun record low F = 47
| Jul record low F = 61
| Aug record low F = 63
| Sep record low F = 48
| Oct record low F = 33
| Nov record low F = 21
| Dec record low F = 11
| year record low F = 7
| precipitation colour = green
| Jan precipitation inch = 3.28
| Feb precipitation inch = 2.86
| Mar precipitation inch = 3.29
| Apr precipitation inch = 2.93
| May precipitation inch = 3.42
| Jun precipitation inch = 7.60
| Jul precipitation inch = 6.77
| Aug precipitation inch = 6.88
| Sep precipitation inch = 7.56
| Oct precipitation inch = 4.03
| Nov precipitation inch = 2.00
| Dec precipitation inch = 2.78
| year precipitation inch = 53.40
| unit precipitation days = 0.01 in
| Jan precipitation days = 7.7
| Feb precipitation days = 7.7
| Mar precipitation days = 8.0
| Apr precipitation days = 6.0
| May precipitation days = 7.0
| Jun precipitation days = 14.1
| Jul precipitation days = 13.6
| Aug precipitation days = 15.1
| Sep precipitation days = 12.4
| Oct precipitation days = 8.0
| Nov precipitation days = 6.6
| Dec precipitation days = 7.7
| year precipitation days = 113.9
| Jan humidity = 74.9
| Feb humidity = 72.2
| Mar humidity = 71.2
| Apr humidity = 69.5
| May humidity = 72.7
| Jun humidity = 76.8
| Jul humidity = 77.7
| Aug humidity = 80.3
| Sep humidity = 80.8
| Oct humidity = 78.6
| Nov humidity = 77.7
| Dec humidity = 76.7
| year humidity = 75.8
| Jan sun = 189.4
| Feb sun = 193.8
| Mar sun = 257.9
| Apr sun = 286.4
| May sun = 303.9
| Jun sun = 283.6
| Jul sun = 282.0
| Aug sun = 262.4
| Sep sun = 228.2
| Oct sun = 214.6
| Nov sun = 193.9
| Dec sun = 183.6
| year sun = 2879.7
| Jan percentsun = 59
| Feb percentsun = 62
| Mar percentsun = 69
| Apr percentsun = 74
| May percentsun = 72
| Jun percentsun = 67
| Jul percentsun = 65
| Aug percentsun = 64
| Sep percentsun = 62
| Oct percentsun = 61
| Nov percentsun = 61
| Dec percentsun = 58
| year percentsun = 65
| source 1 = NOAA (relative humidity and sun 1961−1990)<ref name = Extremes >
{{cite web
|url=http://threadex.rcc-acis.org/
|title=Threaded Extremes
|publisher = National Oceanic and Atmospheric Administration }}</ref><ref name= NOAA>{{cite web
|url = https://w2.weather.gov/climate/getclimate.php?wfo=jax
|title = NowData − NOAA Online Weather Data
|publisher = [[National Oceanic and Atmospheric Administration]]
|access-date = May 31, 2021
|archive-date = May 8, 2021
|archive-url = https://web.archive.org/web/20210508120127/https://w2.weather.gov/climate/getclimate.php?wfo=jax
|url-status = dead
}}</ref><ref name="NOAA txt">
{{cite web
| url = https://www.ncei.noaa.gov/access/services/data/v1?dataset=normals-monthly-1991-2020&startDate=0001-01-01&endDate=9996-12-31&stations=USW00013889&format=pdf
| publisher = National Oceanic and Atmospheric Administration
| title = FL Jacksonville
| work = U.S. Climate Normals 2020: U.S. Monthly Climate Normals (1991−2020)
| access-date = May 31, 2021}}</ref><ref name= NOAA2>
{{cite web
| url = ftp://ftp.atdd.noaa.gov/pub/GCOS/WMO-Normals/TABLES/REG_IV/US/GROUP3/72206.TXT
| title = WMO climate normals for Jacksonville/WSO AP, FL 1961−1990
| publisher = [[National Oceanic and Atmospheric Administration]]
| access-date = May 15, 2014}}</ref>
| date = January 2012
| source =
}}