Deer Valley weather in July

In July, Deer Valley sees average daytime highs of 103°F and overnight lows near 82°F, with 0.7 in of rain across 3 wet days and about 14 hours of daylight. It is the 1st-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 103°F through the month. The sky is clear or mostly clear about 65% of the time in July, and the air most often feels dry.

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 Deer Valley's 8th-clearest and 7th-windiest month. For the whole year in context, see Deer Valley's year-round climate.

Daytime high
103°
1st warmest
Overnight low
82°
12th coldest
Rainfall
0.7 in
3 wet days
Daylight
14 hours
5:33 AM – 7:35 PM
Cloud cover
33%
8th clearest
Wind
6 mph
7th windiest
Solar energy
7.57 kWh/m²
Travel score
0.3
out of 10

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 103°F through the month.

A typical July day in Deer Valley reaches about 103°F in the afternoon and slips back to 82°F overnight — a 22°F spread between the day's warmth and the night's chill. On most days the high lands between 97°F and 109°F. Set against its neighbours, July runs about 3°F warmer than June and about 2°F warmer than August.

70°80°90°100°110°151015202531
Avg high (°F)Avg low (°F)
110480
210480
310480
410480
510480
610481
710481
810381
910381
1010381
1110381
1210382
1310382
1410382
1510382
1610382
1710382
1810382
1910382
2010382
2110382
2210382
2310382
2410382
2510382
2610382
2710382
2810382
2910382
3010382
3110382

How July really feels in Deer Valley

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
31 feel dangerously hot (≥ 102°F)
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.

Deer Valley weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan65° / 43°1.43.6107.2
Feb68° / 46°1.64.410.77.4
Mar74° / 51°1.13.111.78.3
Apr82° / 57°0.31.312.87.8
May91° / 66°0.10.713.74.8
Jun100° / 75°0.10.314.21.4
Jul103° / 82°0.73140.3
Aug101° / 81°0.93.913.30.8
Sep96° / 74°0.83.112.22.7
Oct86° / 62°0.72.111.26.6
Nov73° / 51°0.82.210.38.5
Dec64° / 43°1.23.49.86.9

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 65% 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 19%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18812
28812
38713
48614
58515
68515
78416
88416
98317
108317
118218
128119
138119
148119
158119
168119
178218
188119
198119
208119
218119
227921
237921
247921
257921
267822
277723
287723
297723
307723
317723

Chance of precipitation in July

Any precipitation

Deer Valley gets around 0.7 in of rain over 3 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 9% and peaks near 12% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
13
24
35
45
56
67
77
88
98
109
1110
1210
1310
1411
1511
1611
1711
1811
1911
2011
2111
2211
2311
2411
2511
2611
2711
2811
2911
3011
3112

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the dry band about 55% of days. Sticky, muggy-or-worse air turns up on roughly 11% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
18010730
27811830
37512940
473121041
570131151
669141151
767141261
865151361
963161371
1061161472
1159171482
1259171482
1357181582
1455181593
1554191593
1654191593
17522015103
18502016104
19492116104
20482116114
21472217114
22452217114
23442318124
24432318124
25412419124
26402419124
27402420124
28392520124
29392520124
30382521124
31382521123

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
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

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 5:26 AM to 5:43 AM, and sunset from 7:38 PM to 7:26 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.25:267:38
214.25:267:38
314.25:267:38
414.25:277:38
514.25:277:38
614.25:287:38
714.25:287:38
814.15:297:38
914.15:297:37
1014.15:307:37
1114.15:307:37
1214.15:317:37
1314.15:317:36
1414.15:327:36
1514.15:337:36
1614.05:337:35
1714.05:347:35
1814.05:347:34
1914.05:357:34
2014.05:367:33
2113.95:367:33
2213.95:377:32
2313.95:387:32
2413.95:387:31
2513.95:397:30
2613.85:407:30
2713.85:407:29
2813.85:417:28
2913.85:427:28
3013.75:427:27
3113.75:437:26

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 7.57 kWh/m².

For context, solar energy here swings from a low near 3.12 kWh/m² to a high of 8.48 kWh/m² in June across the year — July's 7.57 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
18.2Intense
28.1Intense
38.1Intense
48.0Intense
58.0Intense
67.9Intense
77.9Intense
87.8Intense
97.8Intense
107.8Intense
117.7Intense
127.7Intense
137.7Intense
147.6Intense
157.6Intense
167.6Intense
177.5Intense
187.5Intense
197.5Intense
207.4Intense
217.4Intense
227.4Intense
237.4Intense
247.3Intense
257.3Intense
267.3Intense
277.3Intense
287.2Intense
297.2Intense
307.2Intense
317.2Intense
Planning a trip in July

Is July a good time to visit Deer Valley?

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

0.3
Sightseeing
12th-best month of the year
3.3
Beach & pool
10th-best month of the year

July is a weaker month for outdoor sightseeing in Deer Valley.

What to pack for Deer Valley in July

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

In July, Deer Valley sees daytime highs around 103°F and nights near 82°F. Pack light clothes and sun protection. About 3 days see rain.

light clothessun protection

UV index in Deer Valley in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Deer Valley peaks around July 14 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 3 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJul 14UV 11Dec 20UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar5Moderate
Apr7High
May9Very high
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Deer Valley 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 Deer Valley is worst in June — around 17 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (December, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodGoodJun 1917 µg/m³Dec 149 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb11Good
Mar11Good
Apr12Moderate
May12Moderate
Jun17Moderate
Jul15Moderate
Aug12Good
Sep11Good
Oct13Moderate
Nov10Good
Dec9Good
Location & terrain

Where is Deer Valley?

Deer Valley sits at 33.7°N, 112.1°W, 1,375 ft above sea level, in United States. The nearest listed city is Peoria, 9.3 mi away.

Topography around Deer Valley

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

Within 2 miles, the terrain around Deer Valley has only modest variations in elevation — a maximum elevation change of 568 ft around an average of 1,391 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,299 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 7,133 ft.

The land around Deer Valley is covered by artificial surfaces (53%) and shrubs (22%) within 2 miles, artificial surfaces (49%) and shrubs (30%) within 10 miles, and shrubs (55%) within 50 miles.

2 miles
568 ft
10 miles
1,299 ft
50 miles
7,133 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrain
July weather nearby: Peoria 9.3 mi · Sun City 9.9 mi · Glendale 11 mi · El Mirage 12 mi · Sun City West 12 mi · Surprise 12 mi · Anthem 12 mi · Maryvale 13 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 Deer Valley (33.6839°, -112.1349°, elevation 1,375 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).