Jacksonville weather in July

In July, Jacksonville sees average daytime highs of 87°F and overnight lows near 73°F, with 6.7 in of rain across 19.8 wet days and about 14.1 hours of daylight. It is the 1st-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 87°F through the month. The sky is clear or mostly clear about 21% of the time in July, and the air most often feels oppressive.

Daylight stretches from about 14 h 18 min at the start of July to 13 h 48 min by month's end. Set against the rest of the year, July is Jacksonville's 12th-clearest and 11th-windiest month. For the whole year in context, see Jacksonville's year-round climate.

Daytime high
87°
1st warmest
Overnight low
73°
12th coldest
Rainfall
6.7 in
19.8 wet days
Daylight
14 h 06 min
5:12 AM – 7:19 PM
Cloud cover
64%
12th clearest
Wind
6 mph
11th windiest
Solar energy
5.79 kWh/m²
Travel score
3.6
out of 10

Jacksonville is city in Onslow County, North Carolina, United States.

Density
513/km²
people per km²
Founded
1757

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

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 87°F through the month.

A typical July day in Jacksonville reaches about 87°F in the afternoon and slips back to 73°F overnight — a 15°F spread between the day's warmth and the night's chill. On most days the high lands between 82°F and 93°F. Set against its neighbours, July runs about 2°F warmer than June and about 1°F warmer than August.

60°70°80°90°151015202531
Avg high (°F)Avg low (°F)
18772
28772
38772
48772
58772
68772
78772
88773
98873
108873
118873
128873
138873
148873
158873
168873
178873
188873
198773
208773
218773
228773
238773
248773
258773
268773
278773
288773
298773
308773
318773

How July really feels in Jacksonville

Once humidity and wind are folded in, July averages 31 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
31
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

The story in July is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Jacksonville weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan55° / 37°3.690.69.93.7
Feb58° / 39°3.38.90.510.74.4
Mar64° / 44°3.69.40.111.76.0
Apr73° / 53°3.38.8012.87.0
May79° / 61°4.111013.86.5
Jun85° / 69°5.615.5014.34.5
Jul87° / 73°6.719.8014.13.6
Aug86° / 72°6.817.3013.34.1
Sep82° / 66°6.513.3012.25.7
Oct74° / 56°4.08.5011.17.1
Nov65° / 45°3.67.9010.26.4
Dec58° / 40°3.69.40.19.74.5

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in July, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 20% of July, with mostly cloudy or overcast conditions the remaining 58%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14555
24555
34555
44555
54555
64555
74654
84555
94555
104456
114555
124456
134357
144357
154258
164258
174258
184060
194060
204060
213961
223862
233862
243862
253862
263862
273862
283763
293862
303862
313961

Chance of precipitation in July

Any precipitation

Jacksonville gets around 6.7 in of rain over 19.8 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 63% and peaks near 67% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
158
258
359
459
559
660
760
861
962
1062
1163
1263
1364
1465
1565
1666
1766
1867
1967
2067
2167
2267
2366
2466
2566
2665
2765
2864
2963
3063
3162

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the oppressive band about 62% of days. Sticky, muggy-or-worse air turns up on roughly 94% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
137156312
237146412
327136513
427136414
527126514
627126415
727126416
817116516
916116517
1016116517
1116116418
1206106519
1306106420
1406106321
1505106322
1605106223
170596224
180596125
190596026
200486226
210486127
220486127
230476128
240476128
250576028
260586027
270586027
280586027
290596026
300596125
3105106025

Wind in July

Winds average 6 mph in July.

Across July, daily wind ranges from about 5 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
285calm
295calm
305calm
315calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 14 h 18 min at the start of July to 13 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over July. Sunrise moves from 5:04 AM to 5:22 AM, and sunset from 7:22 PM to 7:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.35:047:22
214.35:047:22
314.35:057:22
414.35:057:22
514.35:067:22
614.35:067:22
714.35:077:22
814.25:077:21
914.25:087:21
1014.25:087:21
1114.25:097:21
1214.25:097:20
1314.25:107:20
1414.25:107:20
1514.15:117:19
1614.15:127:19
1714.15:127:18
1814.15:137:18
1914.15:147:18
2014.05:147:17
2114.05:157:16
2214.05:167:16
2314.05:167:15
2414.05:177:15
2513.95:187:14
2613.95:197:13
2713.95:197:13
2813.95:207:12
2913.85:217:11
3013.85:217:10
3113.85:227:09

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.79 kWh/m².

For context, solar energy here swings from a low near 2.38 kWh/m² to a high of 6.04 kWh/m² in May across the year — July's 5.79 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.0Intense
26.0Intense
36.0Intense
46.0Intense
56.0Intense
66.0Bright
76.0Bright
86.0Bright
95.9Bright
105.9Bright
115.9Bright
125.9Bright
135.8Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.6Bright
235.6Bright
245.6Bright
255.6Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
315.4Bright
Planning a trip in July

Hazard calendar for Jacksonville

In seasonPeak

In July, Jacksonville sits inside its atlantic hurricane 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.

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

Is July a good time to visit Jacksonville?

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

3.6
Sightseeing
12th-best month of the year
5.2
Beach & pool
6th-best month of the year

July is a weaker month for outdoor sightseeing in Jacksonville.

What to pack for Jacksonville in July

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

In July, Jacksonville sees daytime highs around 87°F and nights near 73°F. Pack light clothes and rain gear. Worth having: sun protection. About 20 days see rain.

light clothesrain gearsun protection

Sea temperature near Jacksonville in July

The nearest coast averages about 81°F in July — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 19 mi away) is warmest in August at about 82°F and coldest in February near 58°F.

It's comfortable for a long swim from May 6 to Nov 13 — about 6.3 months when the water holds above 68°F.

60°70°80°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan60Cool
Feb58Bracing
Mar60Cool
Apr64Cool
May70Refreshing
Jun77Warm
Jul81Warm
Aug82Warm
Sep80Warm
Oct74Refreshing
Nov67Cool
Dec63Cool

UV index in Jacksonville in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Jacksonville peaks around July 14 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateJul 14UV 9Dec 19UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr7Very high
May8Very high
Jun9Very high
Jul9Very high
Aug8Very high
Sep7Very high
Oct5Moderate
Nov4Moderate
Dec2Moderate

Air quality in Jacksonville in July

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Jacksonville is worst in March — around 21 µg/m³ PM2.5 (moderate), about 3.3× the cleanest month (December, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMar 1720 µg/m³Dec 136 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb13Moderate
Mar21Moderate
Apr14Moderate
May13Moderate
Jun17Moderate
Jul17Moderate
Aug14Moderate
Sep10Good
Oct8Good
Nov7Good
Dec6Good
Location & terrain

Where is Jacksonville?

Jacksonville sits at 34.8°N, 77.4°W, 13 ft above sea level, in United States. The nearest listed city is Havelock, 31 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 85 ft around an average of 26 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 246 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 289 ft.

The land around Jacksonville is covered by trees (55%) within 2 miles, trees (69%) within 10 miles, and trees (56%) and water (25%) within 50 miles.

2 miles
85 ft
10 miles
246 ft
50 miles
289 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
July weather nearby: Havelock 31 mi · New Bern 33 mi · Kinston 36 mi · Wilmington 47 mi · Leland 49 mi · Goldsboro 54 mi · Greenville 60 mi · Wilson 72 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 (34.754°, -77.4302°, elevation 13 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).