Romulus weather in July

In July, Romulus sees average daytime highs of 82°F and overnight lows near 64°F, with 3.3 in of rain across 11.2 wet days and about 14.8 hours of daylight. It is the 1st-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 82°F through the month. The sky is clear or mostly clear about 30% of the time in July, and the air most often feels humid.

Daylight stretches from about 15 h 06 min at the start of July to 14 h 24 min by month's end. Set against the rest of the year, July is Romulus's 2nd-clearest and 11th-windiest month. For the whole year in context, see Romulus's year-round climate.

Daytime high
82°
1st warmest
Overnight low
64°
12th coldest
Rainfall
3.3 in
11.2 wet days
Daylight
14 h 48 min
5:15 AM – 8:03 PM
Cloud cover
56%
2nd clearest
Wind
6 mph
11th windiest
Solar energy
6.3 kWh/m²
Travel score
6.1
out of 10

Romulus is city in Wayne County, Michigan, United States.

Density
251/km²
people per km²
Founded
1826

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 82°F through the month.

A typical July day in Romulus reaches about 82°F in the afternoon and slips back to 64°F overnight — a 18°F spread between the day's warmth and the night's chill. On most days the high lands between 75°F and 90°F. Set against its neighbours, July runs about 4°F warmer than June and about 2°F warmer than August.

50°60°70°80°90°151015202531
Avg high (°F)Avg low (°F)
18263
28263
38263
48263
58263
68263
78264
88264
98264
108264
118264
128264
138264
148364
158364
168364
178364
188364
198264
208264
218264
228264
238264
248264
258264
268264
278264
288264
298264
308264
318264

How July really feels in Romulus

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.

Romulus 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
Jan32° / 19°2.49.65.89.30.0
Feb35° / 20°2.085.410.30.0
Mar45° / 28°2.59.83.611.61.0
Apr57° / 39°3.611.71.213.13.9
May69° / 50°3.812.7014.45.9
Jun78° / 60°3.610.70156.5
Jul82° / 64°3.311.2014.86.1
Aug80° / 62°3.210.2013.76.6
Sep73° / 54°2.78.8012.37.0
Oct61° / 43°2.690.210.85.0
Nov47° / 34°2.68.91.69.61.6
Dec37° / 25°2.38.84.590.0

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 23% of July, with mostly cloudy or overcast conditions the remaining 47%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15545
25545
35545
45545
55545
65545
75545
85545
95446
105446
115446
125446
135347
145347
155446
165347
175347
185347
195347
205248
215248
225248
235248
245248
255248
265248
275347
285347
295347
305347
315446

Chance of precipitation in July

Any precipitation

Romulus gets around 3.3 in of rain over 11.2 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 36% and peaks near 38% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
135
235
334
434
534
634
734
834
934
1035
1135
1235
1336
1436
1537
1637
1737
1838
1938
2038
2138
2238
2338
2438
2538
2638
2737
2837
2937
3036
3136

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the humid band about 27% of days. Sticky, muggy-or-worse air turns up on roughly 30% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1262423244
2262423244
3252423244
4252423234
5252423235
6252423235
7252424225
8242324226
9242325226
10232326226
11222226227
12222227227
13212127238
14202128238
15202128238
16192128239
17192029239
18182029239
19182029239
201721292310
211721292310
221721292310
231722292310
24162229239
25172328239
26172328239
27172428238
28172428238
29182428238
30182528227
31182528227

Wind in July

Winds average 6 mph in July.

Across July, daily wind ranges from about 6 mph on the calmest days to 7 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
17calm
27calm
37calm
47calm
57calm
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 15 h 06 min at the start of July to 14 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 42 minutes over July. Sunrise moves from 5:05 AM to 5:29 AM, and sunset from 8:08 PM to 7:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.15:058:08
215.05:068:08
315.05:068:08
415.05:078:08
515.05:078:08
615.05:088:08
715.05:098:07
815.05:098:07
914.95:108:07
1014.95:118:06
1114.95:118:06
1214.95:128:05
1314.95:138:05
1414.85:148:04
1514.85:148:04
1614.85:158:03
1714.85:168:03
1814.85:178:02
1914.75:188:01
2014.75:198:00
2114.75:198:00
2214.65:207:59
2314.65:217:58
2414.65:227:57
2514.65:237:56
2614.55:247:55
2714.55:257:54
2814.55:267:53
2914.45:277:52
3014.45:287:51
3114.45:297:50

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 6.3 kWh/m².

For context, solar energy here swings from a low near 1.45 kWh/m² to a high of 6.36 kWh/m² in June across the year — July's 6.3 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.5Intense
26.5Intense
36.5Intense
46.5Intense
56.5Intense
66.5Intense
76.5Intense
86.5Intense
96.5Intense
106.5Intense
116.4Intense
126.4Intense
136.4Intense
146.4Intense
156.3Intense
166.3Intense
176.3Intense
186.3Intense
196.2Intense
206.2Intense
216.2Intense
226.1Intense
236.1Intense
246.1Intense
256.0Intense
266.0Intense
276.0Intense
286.0Bright
295.9Bright
305.9Bright
315.9Bright
Planning a trip in July

Is July a good time to visit Romulus?

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

6.1
Sightseeing
4th-best month of the year
6.7
Beach & pool
1st-best month of the year

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

What to pack for Romulus in July

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

In July, Romulus sees daytime highs around 82°F and nights near 64°F. Pack light clothes and sun protection. Worth having: rain gear. About 11 days see rain.

light clothessun protectionrain gear

Sea temperature near Romulus in July

The nearest coast averages about 75°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 24 mi away) is warmest in August at about 75°F and coldest in February near 33°F.

It's comfortable for a long swim from Jun 20 to Sep 20 — about 3.1 months when the water holds above 68°F.

30°40°50°60°70°80°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan34Bracing
Feb33Bracing
Mar36Bracing
Apr44Bracing
May56Bracing
Jun67Cool
Jul75Refreshing
Aug75Warm
Sep70Refreshing
Oct58Bracing
Nov46Bracing
Dec38Bracing

UV index in Romulus 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 Romulus peaks around June 20 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 20UV 9Dec 20UV 1
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar4Moderate
Apr6High
May7High
Jun9Very high
Jul8Very high
Aug7High
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low

Air quality in Romulus 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 Romulus is worst in July — around 16 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (October, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1216 µg/m³Oct 239 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb13Moderate
Mar14Moderate
Apr14Moderate
May15Moderate
Jun16Moderate
Jul16Moderate
Aug15Moderate
Sep12Moderate
Oct9Good
Nov9Good
Dec10Good
Location & terrain

Where is Romulus?

Romulus sits at 42.2°N, 83.4°W, 659 ft above sea level, in United States. The nearest listed city is Wayne, 4.3 mi away.

Topography around Romulus

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

Within 2 miles, the terrain around Romulus has only modest variations in elevation — a maximum elevation change of 125 ft around an average of 666 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 305 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 915 ft.

The land around Romulus is covered by trees (44%), grassland (26%) and artificial surfaces (24%) within 2 miles, trees (46%), artificial surfaces (25%) and grassland (22%) within 10 miles, and trees (32%), cropland (25%) and water (21%) within 50 miles.

2 miles
125 ft
10 miles
305 ft
50 miles
915 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
July weather nearby: Wayne 4.3 mi · Taylor 6.8 mi · Inkster 6.8 mi · Westland 6.8 mi · Canton 7.5 mi · Garden City 8.1 mi · Allen Park 9.9 mi · Dearborn Heights 9.9 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 Romulus (42.2223°, -83.3966°, elevation 659 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. 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).