McKinney weather in July

In July, McKinney sees average daytime highs of 93°F and overnight lows near 75°F, with 2.0 in of rain across 6.2 wet days and about 14 hours of daylight. It is the 1st-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 93°F through the month. The sky is clear or mostly clear about 56% of the time in July, and the air most often feels oppressive.

Daylight stretches from about 14 h 12 min at the start of July to 13 h 42 min by month's end. Set against the rest of the year, July is McKinney's 4th-clearest and 10th-windiest month. For the whole year in context, see McKinney's year-round climate.

Daytime high
93°
1st warmest
Overnight low
75°
12th coldest
Rainfall
2.0 in
6.2 wet days
Daylight
14 hours
5:32 AM – 7:32 PM
Cloud cover
42%
4th clearest
Wind
7 mph
10th windiest
Solar energy
6.77 kWh/m²
Travel score
3.4
out of 10

McKinney is city in Collin County, Texas, United States.

Density
988/km²
people per km²
Founded
1848

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 93°F through the month.

A typical July day in McKinney reaches about 93°F in the afternoon and slips back to 75°F overnight — a 18°F spread between the day's warmth and the night's chill. On most days the high lands between 87°F and 99°F. Set against its neighbours, July runs about 5°F warmer than June and on par with August.

70°80°90°100°151015202531
Avg high (°F)Avg low (°F)
19174
29174
39274
49274
59275
69275
79275
89275
99275
109375
119375
129375
139375
149375
159375
169376
179476
189476
199476
209476
219476
229476
239476
249476
259476
269476
279476
289476
299476
309476
319476

How July really feels in McKinney

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.

McKinney weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan55° / 37°2.86.80.510.13.8
Feb59° / 40°2.97.50.610.84.8
Mar66° / 47°4.19.50.311.76.2
Apr74° / 55°4.69.2012.87.0
May81° / 64°5.711.5013.76.1
Jun89° / 72°3.69.1014.24.4
Jul93° / 75°2.06.20143.4
Aug93° / 75°2.05.8013.23.4
Sep87° / 68°3.16.8012.25.4
Oct76° / 57°4.17.9011.27.4
Nov65° / 46°3.77.2010.36.4
Dec56° / 39°3.87.20.39.84.2

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 56% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 16% of July, with mostly cloudy or overcast conditions the remaining 28%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16535
26535
36535
46634
56733
66832
76832
86931
97030
107129
117327
127327
137525
147624
157624
167723
177723
187723
197723
207624
217624
227525
237426
247327
257327
267327
277327
287327
297228
307228
317228

Chance of precipitation in July

Any precipitation

McKinney gets around 2.0 in of rain over 6.2 wet days in July, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 19% and peaks near 25% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
125
225
324
424
523
623
722
822
921
1021
1120
1220
1319
1419
1518
1618
1718
1818
1917
2017
2117
2217
2317
2417
2517
2617
2717
2817
2917
3017
3117

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 44% of days. Sticky, muggy-or-worse air turns up on roughly 87% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
121937483
221938483
321938483
411938473
511839473
611839473
711840473
811840463
911840463
1011841463
1101841463
1201841463
1301842463
1401942462
1501942462
1602942452
1702942452
18021042451
19021042441
20031142441
21031142431
22031242431
23031242421
24031342411
25031442401
26031442391
27031543381
28031543371
29031544361
30031645351
31031645351

Wind in July

Winds average 7 mph in July.

Across July, daily wind ranges from about 7 mph on the calmest days to 8 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
18light breeze
28light breeze
38light breeze
48light breeze
58light breeze
68light breeze
78light breeze
88light breeze
98light breeze
108light breeze
118light breeze
128light breeze
137light breeze
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 14 h 12 min at the start of July to 13 h 42 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 5:25 AM to 5:42 AM, and sunset from 7:35 PM to 7:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.25:257:35
214.25:257:35
314.25:257:35
414.15:267:35
514.15:267:35
614.15:277:35
714.15:277:34
814.15:287:34
914.15:287:34
1014.15:297:34
1114.15:297:34
1214.15:307:33
1314.05:307:33
1414.05:317:33
1514.05:327:32
1614.05:327:32
1714.05:337:32
1814.05:337:31
1913.95:347:31
2013.95:357:30
2113.95:357:30
2213.95:367:29
2313.95:377:29
2413.85:377:28
2513.85:387:27
2613.85:397:27
2713.85:397:26
2813.85:407:25
2913.75:417:25
3013.75:417:24
3113.75:427:23

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 6.77 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.52 kWh/m² to a high of 6.77 kWh/m² in July across the year — July's 6.77 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.6Intense
26.7Intense
36.7Intense
46.7Intense
56.7Intense
66.7Intense
76.8Intense
86.8Intense
96.8Intense
106.8Intense
116.8Intense
126.8Intense
136.8Intense
146.8Intense
156.8Intense
166.9Intense
176.9Intense
186.8Intense
196.8Intense
206.8Intense
216.8Intense
226.8Intense
236.8Intense
246.8Intense
256.8Intense
266.7Intense
276.7Intense
286.7Intense
296.7Intense
306.6Intense
316.6Intense
Planning a trip in July

Is July a good time to visit McKinney?

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

3.4
Sightseeing
11th-best month of the year
6.7
Beach & pool
4th-best month of the year

July is a weaker month for outdoor sightseeing in McKinney. The water and warmth also suit a beach or pool day.

What to pack for McKinney in July

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

In July, McKinney sees daytime highs around 93°F and nights near 75°F. Pack light clothes and sun protection. About 6 days see rain.

light clothessun protection

UV index in McKinney in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in McKinney peaks around July 17 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 3 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJul 17UV 10Dec 21UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar6High
Apr9Very high
May9Very high
Jun10Very high
Jul10Extreme
Aug10Very high
Sep8Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in McKinney 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 McKinney is worst in July — around 19 µg/m³ PM2.5 (moderate), about 2.6× the cleanest month (October, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1519 µg/m³Oct 248 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb8Good
Mar10Good
Apr11Good
May14Moderate
Jun16Moderate
Jul19Moderate
Aug15Moderate
Sep11Good
Oct8Good
Nov8Good
Dec8Good
Location & terrain

Where is McKinney?

McKinney sits at 33.2°N, 96.6°W, 630 ft above sea level, in United States. The nearest listed city is Allen, 7.5 mi away.

Topography around McKinney

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

Within 2 miles, the terrain around McKinney has only modest variations in elevation — a maximum elevation change of 164 ft around an average of 594 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 318 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 722 ft.

The land around McKinney is covered by artificial surfaces (38%), trees (27%) and grassland (24%) within 2 miles, grassland (37%), trees (24%) and artificial surfaces (22%) within 10 miles, and grassland (47%) and trees (26%) within 50 miles.

2 miles
164 ft
10 miles
318 ft
50 miles
722 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
July weather nearby: Allen 7.5 mi · Prosper 11 mi · Frisco 12 mi · Murphy 12 mi · Celina 13 mi · Plano 13 mi · Wylie 14 mi · The Trails of Frisco 15 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 McKinney (33.1976°, -96.6153°, elevation 630 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. 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).