Sierra Vista weather in July

In July, Sierra Vista sees average daytime highs of 90°F and overnight lows near 67°F, with 2.7 in of rain across 12.8 wet days and about 13.8 hours of daylight. It is the 2nd-warmest and 1st-wettest month of the year here.

Highs ease over the month, from about 92°F in the first days to 88°F by the end. The sky is clear or mostly clear about 34% of the time in July, and the air most often feels dry.

Daylight stretches from about 14 hours at the start of July to 13 h 36 min by month's end. Set against the rest of the year, July is Sierra Vista's 12th-clearest and 11th-windiest month. For the whole year in context, see Sierra Vista's year-round climate.

Daytime high
90°
2nd warmest
Overnight low
67°
12th coldest
Rainfall
2.7 in
12.8 wet days
Daylight
13 h 54 min
5:31 AM – 7:23 PM
Cloud cover
52%
12th clearest
Wind
5 mph
11th windiest
Solar energy
6.92 kWh/m²
Travel score
3.8
out of 10

Sierra Vista is city in Cochise County, Arizona, United States.

Density
110/km²
people per km²
Founded
1956

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 92°F in the first days to 88°F by the end.

A typical July day in Sierra Vista reaches about 90°F in the afternoon and slips back to 67°F overnight — a 23°F spread between the day's warmth and the night's chill. On most days the high lands between 82°F and 96°F. Set against its neighbours, July runs about 2°F cooler than June and about 3°F warmer than August.

60°70°80°90°100°151015202531
Avg high (°F)Avg low (°F)
19267
29267
39267
49267
59267
69167
79167
89167
99167
109167
119067
129067
139067
149067
159067
168967
178967
188967
198967
208967
218967
228867
238867
248867
258866
268866
278866
288866
298866
308866
318766

How July really feels in Sierra Vista

Once humidity and wind are folded in, July averages 15 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
15
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.

Sierra Vista weather by month

How July compares with the rest of the year at a glance. July is the 2nd-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan59° / 35°0.93.60.610.25.6
Feb62° / 37°0.840.510.86.4
Mar68° / 41°0.52.70.411.87.9
Apr75° / 46°0.21.50.112.78.8
May84° / 53°0.21.6013.67.3
Jun92° / 62°0.42.90144.3
Jul90° / 67°2.712.8013.83.8
Aug87° / 65°2.512.8013.24.6
Sep84° / 62°1.46.1012.26.3
Oct77° / 52°0.52.9011.28.5
Nov67° / 43°0.62.30.110.47.8
Dec58° / 35°0.93.91.1105.3

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in July, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 29% of July, with mostly cloudy or overcast conditions the remaining 37%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17525
27426
37327
47228
57030
66931
76832
86733
96535
106436
116337
126238
136139
146139
156040
166040
175941
185941
195941
205941
215941
225941
235842
245842
255842
265941
275941
285941
296040
306139
316139

Chance of precipitation in July

Any precipitation

Sierra Vista gets around 2.7 in of rain over 12.8 wet days in July, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 40% and peaks near 50% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
123
224
326
428
530
631
733
834
936
1037
1138
1239
1340
1441
1541
1642
1743
1843
1944
2045
2145
2246
2347
2448
2548
2649
2749
2850
2950
3050
3150

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 44% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1771490
27416100
37217110
46918130
56620140
66421150
76122170
85724181
95525191
105326201
115127211
125028221
134829221
144630231
154430242
164231252
174032262
183833263
193633273
203534283
213335294
223135304
233035314
242835324
252735334
262635345
272535355
282435365
292435375
302434374
312434384

Wind in July

Winds average 5 mph in July.

Across July, daily wind ranges from about 4 mph on the calmest days to 5 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 14 hours at the start of July to 13 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 24 minutes over July. Sunrise moves from 5:24 AM to 5:40 AM, and sunset from 7:26 PM to 7:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.05:247:26
214.05:247:26
314.05:247:26
414.05:257:25
514.05:257:25
614.05:267:25
714.05:267:25
814.05:277:25
914.05:277:25
1014.05:277:25
1113.95:287:24
1213.95:297:24
1313.95:297:24
1413.95:307:24
1513.95:307:23
1613.95:317:23
1713.95:317:23
1813.85:327:22
1913.85:327:22
2013.85:337:21
2113.85:347:21
2213.85:347:20
2313.75:357:20
2413.75:357:19
2513.75:367:19
2613.75:377:18
2713.75:377:17
2813.65:387:17
2913.65:397:16
3013.65:397:15
3113.65:407:15

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 6.92 kWh/m².

For context, solar energy here swings from a low near 3.52 kWh/m² to a high of 8.28 kWh/m² in May across the year — July's 6.92 kWh/m² falls in the middle.

02468151015202531
Solar energy (kWh/m²)Level
17.5Intense
27.5Intense
37.4Intense
47.4Intense
57.3Intense
67.3Intense
77.2Intense
87.2Intense
97.1Intense
107.1Intense
117.1Intense
127.0Intense
137.0Intense
147.0Intense
156.9Intense
166.9Intense
176.9Intense
186.8Intense
196.8Intense
206.8Intense
216.8Intense
226.7Intense
236.7Intense
246.7Intense
256.7Intense
266.7Intense
276.7Intense
286.7Intense
296.6Intense
306.6Intense
316.6Intense
Planning a trip in July

Is July a good time to visit Sierra Vista?

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

3.8
Sightseeing
12th-best month of the year
6.2
Beach & pool
7th-best month of the year

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

What to pack for Sierra Vista in July

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

In July, Sierra Vista sees daytime highs around 90°F and nights near 67°F. Pack light clothes and sun protection. Worth having: rain gear. About 13 days see rain.

light clothessun protectionrain gear

UV index in Sierra Vista in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sierra Vista peaks around June 22 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 22UV 12Dec 19UV 4
UV index (midday)Level
Jan4Moderate
Feb5High
Mar7High
Apr10Very high
May10Very high
Jun12Extreme
Jul12Extreme
Aug12Extreme
Sep10Very high
Oct7Very high
Nov5High
Dec4Moderate
Location & terrain

Where is Sierra Vista?

Sierra Vista sits at 31.6°N, 110.3°W, 4,633 ft above sea level, in United States. The nearest listed city is Cananea, 39 mi away.

Topography around Sierra Vista

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

Within 2 miles, the terrain around Sierra Vista has only modest variations in elevation — a maximum elevation change of 377 ft around an average of 4,646 ft above sea level; within 10 miles, very significant variations in elevation — a maximum elevation change of 5,213 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 7,077 ft.

The land around Sierra Vista is covered by grassland (32%), artificial surfaces (32%) and shrubs (31%) within 2 miles, shrubs (62%) within 10 miles, and shrubs (67%) and grassland (23%) within 50 miles.

2 miles
377 ft
10 miles
5,213 ft
50 miles
7,077 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrain
July weather nearby: Cananea 39 mi · Nogales 40 mi · Rio Rico 40 mi · Nogales 41 mi · Vail 42 mi · Green Valley 45 mi · Douglas 47 mi · Sahuarita 47 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 Sierra Vista (31.5545°, -110.3037°, elevation 4,633 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).