Jacksonville weather in October

In October, Jacksonville sees average daytime highs of 80°F and overnight lows near 63°F, with 2.8 in of rain across 9.2 wet days and about 11.3 hours of daylight. It is the 6th-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 83°F in the first days to 77°F by the end. The sky is clear or mostly clear about 38% of the time in October, and the air most often feels muggy.

Daylight stretches from about 11 h 42 min at the start of October to 10 h 48 min by month's end. Set against the rest of the year, October is Jacksonville's 5th-clearest and 7th-windiest month. For the whole year in context, see Jacksonville's year-round climate.

Daytime high
80°
6th warmest
Overnight low
63°
7th coldest
Rainfall
2.8 in
9.2 wet days
Daylight
11 h 18 min
6:34 AM – 5:49 PM
Cloud cover
52%
5th clearest
Wind
6 mph
7th windiest
Solar energy
3.97 kWh/m²
Travel score
6.7
out of 10

Jacksonville is city in Duval County, and largest city in State of Florida, United States.

Density
446/km²
people per km²
Founded
1791

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 83°F in the first days to 77°F by the end.

A typical October day in Jacksonville reaches about 80°F in the afternoon and slips back to 63°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 73°F and 86°F. Set against its neighbours, October runs about 6°F cooler than September and about 7°F warmer than November.

40°60°80°151015202531
Avg high (°F)Avg low (°F)
18369
28368
38368
48368
58367
68267
78267
88266
98266
108265
118165
128165
138164
148164
158063
168063
178063
188062
198062
207961
217961
227961
237960
247860
257860
267859
277859
287759
297758
307758
317658

How October really feels in Jacksonville

Once humidity and wind are folded in, October averages 0 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

October sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Jacksonville weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan65° / 45°2.67.310.36.5
Feb69° / 48°2.56.910.96.8
Mar74° / 52°3.07.511.87.4
Apr80° / 59°2.36.912.77.2
May85° / 66°2.68.913.55.4
Jun89° / 72°5.118.913.93.4
Jul90° / 74°4.920.413.82.9
Aug89° / 74°5.521.613.12.9
Sep86° / 72°4.815.912.24.2
Oct80° / 63°2.89.211.36.7
Nov73° / 53°1.6610.57.5
Dec67° / 48°2.36.510.16.8

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 19% of October, with mostly cloudy or overcast conditions the remaining 43%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14654
24753
34753
44852
54852
64951
75050
85050
95149
105248
115347
125446
135644
145842
155941
165941
176139
186139
196139
206238
216238
226337
236337
246436
256337
266337
276337
286238
296139
306139
316040

Chance of precipitation in October

Any precipitation

Jacksonville gets around 2.8 in of rain over 9.2 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 30% and peaks near 45% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
145
244
344
443
542
640
739
838
937
1035
1134
1232
1331
1429
1528
1627
1726
1825
1924
2024
2123
2223
2322
2422
2521
2621
2721
2821
2921
3021
3120

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

Most of October feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, October lands in the muggy band about 26% of days. Sticky, muggy-or-worse air turns up on roughly 49% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1571525472
2571525452
3681526432
4681627402
5791627382
67101728362
78101728342
89111829322
99121829302
1010121829282
1111131929262
1213131930242
1314141930221
1415141930211
1516151929191
1618152029171
1719162029161
1820162028150
1922162127140
2023172127130
2124172126120
2225172125110
2326172125110
2427182124100
2527182124100
262818212390
272919202390
283019202280
293119202280
303319192180
313419192070

Wind in October

Winds average 6 mph in October.

Across October, daily wind ranges from about 6 mph on the calmest days to 6 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 42 min at the start of October to 10 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 54 minutes over October. Sunrise moves from 6:24 AM to 6:45 AM, and sunset from 6:07 PM to 5:35 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:246:07
211.76:256:06
311.66:266:04
411.66:266:03
511.66:276:02
611.66:276:01
711.56:285:59
811.56:295:58
911.56:295:57
1011.46:305:56
1111.46:315:55
1211.46:315:54
1311.36:325:52
1411.36:335:51
1511.36:335:50
1611.36:345:49
1711.26:355:48
1811.26:365:47
1911.26:365:46
2011.16:375:45
2111.16:385:44
2211.16:385:43
2311.06:395:42
2411.06:405:41
2511.06:415:40
2611.06:415:39
2710.96:425:38
2810.96:435:37
2910.96:445:37
3010.96:455:36
3110.86:455:35

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 3.97 kWh/m².

For context, solar energy here swings from a low near 2.77 kWh/m² to a high of 6.31 kWh/m² in May across the year — October's 3.97 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
14.1Bright
24.1Bright
34.1Bright
44.1Bright
54.1Bright
64.0Bright
74.0Bright
84.0Bright
94.0Bright
104.0Bright
114.0Bright
124.0Bright
134.0Bright
144.0Bright
154.0Bright
164.0Bright
174.0Bright
184.0Bright
194.0Moderate
204.0Moderate
214.0Moderate
224.0Moderate
233.9Moderate
243.9Moderate
253.9Moderate
263.9Moderate
273.8Moderate
283.8Moderate
293.8Moderate
303.7Moderate
313.7Moderate
Planning a trip in October

Hazard calendar for Jacksonville

In seasonPeak

In October, Jacksonville sits inside its atlantic hurricane and rainy season season. The full year is below, with each hazard's peak months called out.

Jacksonville sits in the Atlantic hurricane belt; the season peaks August–October.

Jacksonville's rainy season runs May–October, when most of the year's rain falls.

Atlantic hurricane
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is October a good time to visit Jacksonville?

Our two travel scores rate October for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

6.7
Sightseeing
6th-best month of the year
6.7
Beach & pool
3rd-best month of the year

October is a reasonable time to visit Jacksonville for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Jacksonville in October

From October's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In October, Jacksonville sees daytime highs around 80°F and nights near 63°F. Worth packing: light clothes and rain gear. About 9 days see rain.

light clothesrain gear

Sea temperature near Jacksonville in October

The nearest coast averages about 78°F in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 17 mi away) is warmest in August at about 82°F and coldest in February near 61°F.

It's comfortable for a long swim from Apr 13 to Nov 28 — about 7.6 months when the water holds above 68°F.

60°70°80°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan62Cool
Feb61Cool
Mar63Cool
Apr69Refreshing
May75Refreshing
Jun80Warm
Jul82Warm
Aug82Tropical
Sep82Warm
Oct78Warm
Nov70Refreshing
Dec65Cool

UV index in Jacksonville in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Jacksonville peaks around June 22 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 4 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 22UV 10Dec 19UV 4
UV index (midday)Level
Jan4Moderate
Feb6High
Mar7High
Apr7High
May8Very high
Jun11Extreme
Jul10Extreme
Aug10Very high
Sep8Very high
Oct6High
Nov5Moderate
Dec3Moderate

Air quality in Jacksonville in October

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where October falls, not just the annual average.

Air quality in Jacksonville is worst in July — around 18 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (December, 7 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1618 µg/m³Dec 138 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb13Moderate
Mar12Moderate
Apr13Moderate
May14Moderate
Jun16Moderate
Jul18Moderate
Aug16Moderate
Sep12Good
Oct8Good
Nov8Good
Dec7Good
Location & terrain

Where is Jacksonville?

Jacksonville sits at 30.3°N, 81.7°W, 16 ft above sea level, in United States. The nearest listed city is Fruit Cove, 16 mi away.

Topography around Jacksonville

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Jacksonville.

Within 2 miles, the terrain around Jacksonville has only modest variations in elevation — a maximum elevation change of 72 ft around an average of 20 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 154 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 308 ft.

The land around Jacksonville is covered by artificial surfaces (51%) and trees (23%) within 2 miles, trees (49%) and artificial surfaces (23%) within 10 miles, and trees (62%) and water (26%) within 50 miles.

2 miles
72 ft
10 miles
154 ft
50 miles
308 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
October weather nearby: Fruit Cove 16 mi · Oakleaf Plantation 16 mi · Lakeside 16 mi · Jacksonville Beach 16 mi · Fleming Island 17 mi · Ponte Vedra Beach 17 mi · St. Johns 19 mi · Palm Valley 19 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Jacksonville (30.3322°, -81.6556°, elevation 16 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).