San Tan Valley weather in July

In July, San Tan Valley sees average daytime highs of 103°F and overnight lows near 81°F, with 0.8 in of rain across 3.8 wet days and about 14 hours of daylight. It is the 1st-warmest and 7th-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 61% 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 San Tan Valley's 9th-clearest and 11th-windiest month. For the whole year in context, see San Tan Valley's year-round climate.

Daytime high
103°
1st warmest
Overnight low
81°
12th coldest
Rainfall
0.8 in
3.8 wet days
Daylight
14 hours
5:32 AM – 7:32 PM
Cloud cover
36%
9th clearest
Wind
5 mph
11th windiest
Solar energy
7.48 kWh/m²
Travel score
0.3
out of 10

San Tan Valley is unincorporated community in Pinal County, Arizona, United States of America.

Founded
2009

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 103°F through the month.

A typical July day in San Tan Valley reaches about 103°F in the afternoon and slips back to 81°F overnight — a 22°F spread between the day's warmth and the night's chill. On most days the high lands between 96°F and 109°F. Set against its neighbours, July runs about 2°F warmer than June and about 2°F warmer than August.

70°80°90°100°110°151015202531
Avg high (°F)Avg low (°F)
110479
210479
310480
410480
510480
610480
710480
810480
910481
1010381
1110381
1210381
1310381
1410381
1510381
1610381
1710381
1810381
1910381
2010381
2110381
2210381
2310381
2410381
2510381
2610381
2710281
2810281
2910281
3010281
3110281

How July really feels in San Tan 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.

San Tan Valley weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan65° / 43°1.54.210.17.2
Feb69° / 46°1.64.410.87.5
Mar75° / 50°1.1311.78.4
Apr83° / 56°0.31.412.87.5
May92° / 65°0.20.713.74.4
Jun101° / 74°0.10.614.21.0
Jul103° / 81°0.83.8140.3
Aug101° / 80°1.14.913.20.8
Sep97° / 74°1.03.212.22.5
Oct87° / 62°0.72.411.26.3
Nov74° / 51°0.72.510.38.5
Dec65° / 43°1.34.39.87.0

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 61% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 19% of July, with mostly cloudy or overcast conditions the remaining 21%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18911
28713
38713
48515
58416
68416
78218
88218
98020
108020
117921
127921
137921
147822
157822
167822
177822
187822
197723
207723
217723
227723
237624
247624
257624
267624
277624
287624
297525
307525
317525

Chance of precipitation in July

Any precipitation

San Tan Valley gets around 0.8 in of rain over 3.8 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 12% and peaks near 15% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
16
27
37
48
58
68
79
89
99
1010
1110
1211
1311
1411
1512
1612
1712
1813
1913
2013
2114
2214
2314
2415
2515
2615
2715
2815
2915
3015
3115

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 50% of days. Sticky, muggy-or-worse air turns up on roughly 14% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
17611841
27412941
371131051
470141051
567151161
665161261
761171372
860181372
957191482
1056201482
1154201583
1252211593
1352211593
14502215103
15492215103
16472216114
17462316114
18452316124
19442317134
20432317134
21422318144
22412318144
23402318154
24392319164
25382319164
26372320174
27362320174
28362321174
29352321174
30352321164
31352421164

Wind in July

Winds average 5 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
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
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 5:24 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)
114.25:247:35
214.25:257:35
314.25:257:34
414.15:267:34
514.15:267:34
614.15:267:34
714.15:277:34
814.15:277:34
914.15:287:34
1014.15:287:34
1114.15:297:33
1214.15:307:33
1314.05:307:33
1414.05:317:32
1514.05:317:32
1614.05:327:32
1714.05:327:31
1814.05:337:31
1913.95:347:30
2013.95:347:30
2113.95:357:29
2213.95:367:29
2313.95:367:28
2413.85:377:28
2513.85:387:27
2613.85:387:26
2713.85:397:26
2813.85:407:25
2913.75:407:24
3013.75:417:23
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 7.48 kWh/m².

For context, solar energy here swings from a low near 3.19 kWh/m² to a high of 8.45 kWh/m² in June across the year — July's 7.48 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
18.1Intense
28.0Intense
38.0Intense
47.9Intense
57.9Intense
67.8Intense
77.8Intense
87.8Intense
97.7Intense
107.7Intense
117.6Intense
127.6Intense
137.6Intense
147.5Intense
157.5Intense
167.5Intense
177.4Intense
187.4Intense
197.4Intense
207.3Intense
217.3Intense
227.3Intense
237.3Intense
247.2Intense
257.2Intense
267.2Intense
277.2Intense
287.1Intense
297.1Intense
307.1Intense
317.1Intense
Planning a trip in July

Is July a good time to visit San Tan 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
3.2
Beach & pool
10th-best month of the year

July is a weaker month for outdoor sightseeing in San Tan Valley.

What to pack for San Tan Valley in July

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

In July, San Tan Valley sees daytime highs around 103°F and nights near 81°F. Pack light clothes and sun protection. About 4 days see rain.

light clothessun protection

UV index in San Tan 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 San Tan Valley peaks around June 23 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 — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highExtremeVery highHighModerateJun 23UV 11Dec 20UV 3
UV index (midday)Level
Jan4Moderate
Feb5Moderate
Mar5Moderate
Apr7Very high
May9Very high
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in San Tan 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 San Tan Valley is worst in June — around 28 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (October, 12 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateJun 1626 µg/m³Oct 1212 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb13Moderate
Mar14Moderate
Apr14Moderate
May14Moderate
Jun28Moderate
Jul14Moderate
Aug13Moderate
Sep13Moderate
Oct12Moderate
Nov13Moderate
Dec13Moderate
Location & terrain

Where is San Tan Valley?

San Tan Valley sits at 33.2°N, 111.5°W, 1,516 ft above sea level, in United States. The nearest listed city is Queen Creek, 7.5 mi away.

Topography around San Tan Valley

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

Within 2 miles, the terrain around San Tan Valley has only modest variations in elevation — a maximum elevation change of 92 ft around an average of 1,516 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,066 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 7,251 ft.

The land around San Tan Valley is covered by cropland (40%) and bare terrain (25%) within 2 miles, bare terrain (28%), grassland (27%) and shrubs (25%) within 10 miles, and shrubs (58%) within 50 miles.

2 miles
92 ft
10 miles
1,066 ft
50 miles
7,251 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
July weather nearby: Queen Creek 7.5 mi · Florence 14 mi · Apache Junction 16 mi · Gilbert 19 mi · Chandler 20 mi · Mesa 24 mi · Casa Grande 25 mi · Tempe 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 San Tan Valley (33.1911°, -111.528°, elevation 1,516 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).