Millville weather in July

In July, Millville sees average daytime highs of 86°F and overnight lows near 70°F, with 3.8 in of rain across 11.7 wet days and about 14.5 hours of daylight. It is the 1st-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 86°F through the month. The sky is clear or mostly clear about 30% of the time in July, and the air most often feels muggy.

Daylight stretches from about 14 h 42 min at the start of July to 14 h 06 min by month's end. Set against the rest of the year, July is Millville's 5th-clearest and 11th-windiest month. For the whole year in context, see Millville's year-round climate.

Daytime high
86°
1st warmest
Overnight low
70°
12th coldest
Rainfall
3.8 in
11.7 wet days
Daylight
14 h 30 min
4:50 AM – 7:21 PM
Cloud cover
58%
5th clearest
Wind
6 mph
11th windiest
Solar energy
6.19 kWh/m²
Travel score
4.8
out of 10

Millville is city in Cumberland County, New Jersey, United States.

Density
245/km²
people per km²
Founded
1720

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 86°F through the month.

A typical July day in Millville reaches about 86°F in the afternoon and slips back to 70°F overnight — a 16°F spread between the day's warmth and the night's chill. On most days the high lands between 79°F and 93°F. Set against its neighbours, July runs about 4°F warmer than June and about 2°F warmer than August.

60°70°80°90°151015202531
Avg high (°F)Avg low (°F)
18569
28569
38569
48569
58670
68670
78670
88670
98670
108670
118670
128670
138671
148671
158671
168771
178771
188671
198671
208671
218671
228671
238671
248671
258671
268671
278671
288671
298671
308671
318571

How July really feels in Millville

Once humidity and wind are folded in, July 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

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

Millville weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan42° / 29°3.19.13.19.50.3
Feb45° / 30°3.08.7310.51.0
Mar53° / 37°4.010.41.711.73.0
Apr64° / 46°3.410.30.3135.6
May73° / 55°3.410.8014.16.5
Jun82° / 65°3.811014.75.9
Jul86° / 70°3.811.7014.54.8
Aug84° / 69°4.611013.55.5
Sep78° / 62°4.09.2012.36.9
Oct67° / 51°3.78.30116.4
Nov56° / 40°2.97.60.29.84.0
Dec47° / 33°3.79.31.59.31.5

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 21% of July, with mostly cloudy or overcast conditions the remaining 48%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15149
25248
35248
45248
55248
65347
75347
85347
95347
105446
115446
125446
135446
145446
155446
165446
175248
185248
195248
205149
215149
225149
235050
245050
255050
264951
274852
284852
294951
304951
314951

Chance of precipitation in July

Any precipitation

Millville gets around 3.8 in of rain over 11.7 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 37% and peaks near 41% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
137
237
336
436
536
635
735
834
934
1034
1134
1234
1334
1435
1535
1636
1736
1837
1938
2039
2139
2240
2340
2440
2541
2641
2741
2841
2941
3040
3140

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the muggy band about 31% of days. Sticky, muggy-or-worse air turns up on roughly 61% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
18152532200
28152531210
38152431220
48152431220
58152331230
68152331240
77152231240
87152230251
97142230261
107142130271
117142130271
127132031281
136132031282
146131931292
156131931292
166121931302
175121931312
185121931312
195111931322
205111931322
215101931332
224101931332
23491932332
24492032332
25492032332
26492032332
27492032331
28492133331
294102133321
304102133321
314102133311

Wind in July

Winds average 6 mph in July.

Across July, 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 July

DaylightNight

Daylight runs from about 14 h 42 min at the start of July to 14 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over July. Sunrise moves from 4:41 AM to 5:03 AM, and sunset from 7:26 PM to 7:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.74:417:26
214.74:427:26
314.74:427:26
414.74:427:26
514.74:437:25
614.74:447:25
714.74:447:25
814.74:457:25
914.74:457:24
1014.64:467:24
1114.64:477:24
1214.64:477:23
1314.64:487:23
1414.64:497:22
1514.54:497:22
1614.54:507:21
1714.54:517:21
1814.54:527:20
1914.54:527:20
2014.44:537:19
2114.44:547:18
2214.44:557:18
2314.44:567:17
2414.34:567:16
2514.34:577:15
2614.34:587:15
2714.24:597:14
2814.25:007:13
2914.25:017:12
3014.25:027:11
3114.15:037:10

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 6.19 kWh/m².

For context, solar energy here swings from a low near 1.91 kWh/m² to a high of 6.3 kWh/m² in June across the year — July's 6.19 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.4Intense
26.4Intense
36.4Intense
46.4Intense
56.4Intense
66.4Intense
76.4Intense
86.4Intense
96.4Intense
106.4Intense
116.4Intense
126.3Intense
136.3Intense
146.3Intense
156.3Intense
166.3Intense
176.2Intense
186.2Intense
196.2Intense
206.1Intense
216.1Intense
226.0Intense
236.0Intense
246.0Bright
256.0Bright
265.9Bright
275.9Bright
285.9Bright
295.8Bright
305.8Bright
315.8Bright
Planning a trip in July

Hazard calendar for Millville

In seasonPeak

In July, Millville sits inside its atlantic hurricane season. The full year is below, with each hazard's peak months called out.

Millville 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 Millville?

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

4.8
Sightseeing
7th-best month of the year
6.6
Beach & pool
2nd-best month of the year

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

What to pack for Millville in July

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

In July, Millville sees daytime highs around 86°F and nights near 70°F. Pack light clothes and sun protection. Worth having: rain gear. About 12 days see rain.

light clothessun protectionrain gear

Sea temperature near Millville in July

The nearest coast averages about 74°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 20 mi away) is warmest in August at about 76°F and coldest in February near 37°F.

It's comfortable for a long swim from Jun 20 to Oct 3 — about 3.5 months when the water holds above 68°F.

30°40°50°60°70°80°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan39Bracing
Feb37Bracing
Mar41Bracing
Apr48Bracing
May57Bracing
Jun67Cool
Jul74Refreshing
Aug76Warm
Sep73Refreshing
Oct65Cool
Nov54Bracing
Dec45Bracing

UV index in Millville in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Millville peaks around July 11 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateLowJul 11UV 8Dec 20UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May8Very high
Jun8Very high
Jul8Very high
Aug6High
Sep6High
Oct4Moderate
Nov3Moderate
Dec2Low

Air quality in Millville 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 Millville is worst in July — around 18 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (November, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1317 µg/m³Nov 129 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb13Moderate
Mar15Moderate
Apr13Moderate
May15Moderate
Jun16Moderate
Jul18Moderate
Aug15Moderate
Sep12Good
Oct9Good
Nov9Good
Dec10Good
Location & terrain

Where is Millville?

Millville sits at 39.4°N, 75.0°W, 39 ft above sea level, in United States. The nearest listed city is South Vineland, 3.1 mi away.

Topography around Millville

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

Within 2 miles, the terrain around Millville has only modest variations in elevation — a maximum elevation change of 128 ft around an average of 52 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 174 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 748 ft.

The land around Millville is covered by trees (50%) and artificial surfaces (22%) within 2 miles, trees (68%) within 10 miles, and trees (43%) and water (30%) within 50 miles.

2 miles
128 ft
10 miles
174 ft
50 miles
748 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
July weather nearby: South Vineland 3.1 mi · Vineland 5.6 mi · Bridgeton 11 mi · Williamstown 20 mi · Glassboro 21 mi · Sicklerville 22 mi · Sewell 26 mi · Pleasantville 27 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 Millville (39.4021°, -75.0393°, elevation 39 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).