Tucson weather in July

In July, Tucson sees average daytime highs of 98°F and overnight lows near 77°F, with 1.3 in of rain across 7.8 wet days and about 13.9 hours of daylight. It is the 2nd-warmest and 1st-wettest month of the year here.

Highs ease over the month, from about 99°F in the first days to 96°F by the end. The sky is clear or mostly clear about 52% of the time in July, and the air most often feels dry.

Daylight stretches from about 14 h 06 min at the start of July to 13 h 36 min by month's end. Set against the rest of the year, July is Tucson's 12th-clearest and 11th-windiest month. For the whole year in context, see Tucson's year-round climate.

Daytime high
98°
2nd warmest
Overnight low
77°
12th coldest
Rainfall
1.3 in
7.8 wet days
Daylight
13 h 54 min
5:32 AM – 7:27 PM
Cloud cover
43%
12th clearest
Wind
5 mph
11th windiest
Solar energy
7.22 kWh/m²
Travel score
2.0
out of 10

Tucson is city in and county seat of Pima County, Arizona, United States.

Density
906/km²
people per km²
Founded
1775

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 99°F in the first days to 96°F by the end.

A typical July day in Tucson reaches about 98°F in the afternoon and slips back to 77°F overnight — a 20°F spread between the day's warmth and the night's chill. On most days the high lands between 89°F and 104°F. Set against its neighbours, July runs on par with June and about 2°F warmer than August.

70°80°90°100°110°151015202531
Avg high (°F)Avg low (°F)
19976
29977
39977
49977
59977
69977
79877
89877
99877
109877
119877
129877
139877
149877
159777
169777
179777
189777
199777
209777
219777
229777
239777
249677
259677
269677
279677
289677
299677
309677
319677

How July really feels in Tucson

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.

Tucson 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 daysDaylight (hours)Travel score
Jan64° / 41°1.1410.17.0
Feb67° / 44°1.13.910.87.3
Mar73° / 49°0.7311.88.4
Apr80° / 55°0.21.412.88.3
May89° / 63°0.10.813.65.5
Jun98° / 72°0.21.214.12.3
Jul98° / 77°1.37.813.92.0
Aug96° / 76°1.37.513.22.5
Sep92° / 71°1.03.712.24.0
Oct84° / 60°0.62.311.27.2
Nov72° / 49°0.72.510.38.4
Dec63° / 41°1.24.29.96.7

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 52% of the time in July, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 22% of July, with mostly cloudy or overcast conditions the remaining 26%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18416
28317
38317
48119
58020
67921
77822
87723
97624
107525
117525
127426
137327
147327
157327
167327
177228
187228
197228
207228
217030
227030
237030
247030
256931
266832
276832
286832
296832
306832
316832

Chance of precipitation in July

Any precipitation

Tucson gets around 1.3 in of rain over 7.8 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 24% and peaks near 31% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
114
215
316
417
518
619
719
820
921
1021
1122
1223
1323
1424
1524
1625
1725
1826
1927
2027
2128
2229
2330
2430
2530
2631
2731
2831
2930
3030
3130

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 43% of days. Sticky, muggy-or-worse air turns up on roughly 15% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
172121150
269131260
366141370
463151480
560161590
6581715100
7561816100
8531817111
9511917121
10502018121
11482118131
12462118131
13452219141
14432219141
15422320141
16412320151
17392421151
18382422161
19372422161
20352423171
21342424171
22322525181
23312525181
24302526191
25282526201
26272527201
27262528201
28252628201
29252628201
30242629201
31242729201

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
26calm
36calm
46calm
56calm
66calm
76calm
86calm
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 06 min 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 30 minutes over July. Sunrise moves from 5:24 AM to 5:41 AM, and sunset from 7:30 PM to 7:18 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.15:247:30
214.15:257:30
314.15:257:30
414.15:267:30
514.15:267:30
614.05:267:29
714.05:277:29
814.05:277:29
914.05:287:29
1014.05:287:29
1114.05:297:29
1214.05:297:28
1314.05:307:28
1414.05:317:28
1513.95:317:27
1613.95:327:27
1713.95:327:27
1813.95:337:26
1913.95:337:26
2013.95:347:25
2113.85:357:25
2213.85:357:24
2313.85:367:24
2413.85:377:23
2513.85:377:23
2613.75:387:22
2713.75:397:21
2813.75:397:21
2913.75:407:20
3013.65:417:19
3113.65:417:18

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 7.22 kWh/m².

For context, solar energy here swings from a low near 3.37 kWh/m² to a high of 8.35 kWh/m² in June across the year — July's 7.22 kWh/m² falls in the middle.

02468151015202531
Solar energy (kWh/m²)Level
17.8Intense
27.8Intense
37.7Intense
47.7Intense
57.6Intense
67.6Intense
77.5Intense
87.5Intense
97.5Intense
107.4Intense
117.4Intense
127.3Intense
137.3Intense
147.3Intense
157.2Intense
167.2Intense
177.2Intense
187.1Intense
197.1Intense
207.1Intense
217.0Intense
227.0Intense
237.0Intense
247.0Intense
257.0Intense
267.0Intense
276.9Intense
286.9Intense
296.9Intense
306.9Intense
316.9Intense
Planning a trip in July

Is July a good time to visit Tucson?

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

2.0
Sightseeing
12th-best month of the year
5.0
Beach & pool
9th-best month of the year

July is a weaker month for outdoor sightseeing in Tucson.

What to pack for Tucson in July

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

In July, Tucson sees daytime highs around 98°F and nights near 77°F. Pack light clothes and sun protection. About 8 days see rain.

light clothessun protection

UV index in Tucson 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 Tucson peaks around June 23 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 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 23UV 11Dec 20UV 4
UV index (midday)Level
Jan4Moderate
Feb5Moderate
Mar6High
Apr9Very high
May9Very high
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep10Very high
Oct7High
Nov5Moderate
Dec3Moderate

Air quality in Tucson 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 Tucson is worst in June — around 15 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (December, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 1715 µg/m³Dec 219 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb10Good
Mar11Good
Apr12Good
May11Good
Jun15Moderate
Jul12Moderate
Aug11Good
Sep11Good
Oct10Good
Nov10Good
Dec9Good
Location & terrain

Where is Tucson?

Tucson sits at 32.2°N, 110.9°W, 2,490 ft above sea level, in United States. The nearest listed city is Catalina Foothills, 5.0 mi away.

Topography around Tucson

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

Within 2 miles, the terrain around Tucson has only modest variations in elevation — a maximum elevation change of 157 ft around an average of 2,477 ft above sea level; within 10 miles, very significant variations in elevation — a maximum elevation change of 4,455 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 7,730 ft.

The land around Tucson is covered by artificial surfaces (88%) within 2 miles, artificial surfaces (46%) and shrubs (43%) within 10 miles, and shrubs (80%) within 50 miles.

2 miles
157 ft
10 miles
4,455 ft
50 miles
7,730 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrain
July weather nearby: Catalina Foothills 5.0 mi · Flowing Wells 6.8 mi · Casas Adobes 8.1 mi · Drexel Heights 8.1 mi · Tanque Verde 11 mi · Oro Valley 12 mi · Vail 17 mi · Sahuarita 18 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 Tucson (32.2217°, -110.9265°, elevation 2,490 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).