Grand Canyon weather in July

In July, Grand Canyon sees average daytime highs of 90°F and overnight lows near 65°F, with 0.8 in of rain across 5.5 wet days and about 14.2 hours of daylight. It is the 1st-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 90°F through the month. The sky is clear or mostly clear about 51% of the time in July, and the air most often feels dry.

Daylight stretches from about 14 h 24 min at the start of July to 13 h 54 min by month's end. Set against the rest of the year, July is Grand Canyon's 8th-clearest and 9th-windiest month. For the whole year in context, see Grand Canyon's year-round climate.

Daytime high
90°
1st warmest
Overnight low
65°
12th coldest
Rainfall
0.8 in
5.5 wet days
Daylight
14 h 12 min
5:27 AM – 7:41 PM
Cloud cover
41%
8th clearest
Wind
5 mph
9th windiest
Solar energy
7.6 kWh/m²
Travel score
4.4
out of 10

Grand Canyon is human settlement in Coconino County, Arizona, United States of America.

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 90°F through the month.

A typical July day in Grand Canyon reaches about 90°F in the afternoon and slips back to 65°F overnight — a 26°F spread between the day's warmth and the night's chill. On most days the high lands between 83°F and 96°F. Set against its neighbours, July runs about 3°F warmer than June and about 2°F warmer than August.

60°80°100°151015202531
Avg high (°F)Avg low (°F)
19163
29163
39163
49164
59164
69164
79164
89164
99164
109164
119165
129165
139165
149165
159165
169165
179065
189065
199065
209065
219065
229065
239065
249065
259065
269065
279065
289065
298965
308965
318965

How July really feels in Grand Canyon

Once humidity and wind are folded in, July averages 28 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
28
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.

Grand Canyon weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan46° / 25°1.45.33.49.81.3
Feb50° / 29°1.56.53.810.62.5
Mar58° / 34°1.15.21.911.75.0
Apr65° / 40°0.84.11.212.97.1
May76° / 49°0.42.20.113.98.5
Jun87° / 58°0.10.9014.46.2
Jul90° / 65°0.85.5014.24.4
Aug88° / 63°0.85.1013.45.2
Sep81° / 56°0.83.9012.27.7
Oct69° / 44°0.83.50.311.18.0
Nov57° / 33°0.83.61.210.14.9
Dec46° / 26°1.25.33.69.61.4

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 51% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 25% of July, with mostly cloudy or overcast conditions the remaining 24%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18614
28614
38416
48416
58218
68218
78119
88020
97921
107822
117723
127723
137624
147525
157525
167525
177426
187426
197327
207327
217327
227327
237129
247129
257129
267030
277030
287129
297129
307129
317228

Chance of precipitation in July

Any precipitation

Grand Canyon gets around 0.8 in of rain over 5.5 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 17% and peaks near 21% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
18
29
310
411
512
613
713
814
915
1015
1116
1217
1317
1418
1518
1618
1719
1819
1919
2019
2120
2220
2321
2421
2521
2621
2721
2821
2920
3020
3120

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 91% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19820
29820
39730
49730
59640
69550
79550
89460
99460
109370
119370
129370
139370
149280
159280
169280
179091
189091
199091
209091
2188102
2288102
2388102
2486113
2586113
2685123
2785123
2884124
2984124
3084124
3184124

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
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 24 min at the start of July to 13 h 54 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 5:19 AM to 5:38 AM, and sunset from 7:45 PM to 7:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.45:197:45
214.45:207:45
314.45:207:44
414.45:217:44
514.45:217:44
614.45:217:44
714.45:227:44
814.45:237:44
914.35:237:43
1014.35:247:43
1114.35:247:43
1214.35:257:43
1314.35:257:42
1414.35:267:42
1514.25:277:41
1614.25:277:41
1714.25:287:41
1814.25:297:40
1914.25:297:39
2014.15:307:39
2114.15:317:38
2214.15:327:38
2314.15:327:37
2414.15:337:36
2514.05:347:36
2614.05:347:35
2714.05:357:34
2814.05:367:33
2913.95:377:33
3013.95:387:32
3113.95:387:31

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 7.6 kWh/m².

For context, solar energy here swings from a low near 2.96 kWh/m² to a high of 8.54 kWh/m² in June across the year — July's 7.6 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
18.2Intense
28.2Intense
38.2Intense
48.1Intense
58.1Intense
68.0Intense
78.0Intense
87.9Intense
97.9Intense
107.8Intense
117.8Intense
127.7Intense
137.7Intense
147.7Intense
157.6Intense
167.6Intense
177.5Intense
187.5Intense
197.5Intense
207.4Intense
217.4Intense
227.4Intense
237.3Intense
247.3Intense
257.3Intense
267.3Intense
277.2Intense
287.2Intense
297.2Intense
307.2Intense
317.1Intense
Planning a trip in July

Is July a good time to visit Grand Canyon?

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

4.4
Sightseeing
9th-best month of the year
7.3
Beach & pool
4th-best month of the year

July is a reasonable time to visit Grand Canyon for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Grand Canyon in July

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

In July, Grand Canyon sees daytime highs around 90°F and nights near 65°F. Pack light clothes and sun protection. About 6 days see rain.

light clothessun protection

UV index in Grand Canyon 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 Grand Canyon peaks around July 17 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 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 highModerateJul 17UV 12Dec 17UV 3
UV index (midday)Level
Jan4Moderate
Feb4Moderate
Mar6High
Apr6High
May9Very high
Jun11Extreme
Jul12Extreme
Aug11Extreme
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate
Location & terrain

Where is Grand Canyon?

Grand Canyon sits at 36.1°N, 112.1°W, 0 ft above sea level, in United States. The nearest listed city is Flagstaff, 65 mi away.

Topography around Grand Canyon

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

Within 2 miles, the terrain around Grand Canyon has large variations in elevation — a maximum elevation change of 3,527 ft around an average of 6,434 ft above sea level; within 10 miles, very significant variations in elevation — a maximum elevation change of 5,873 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 8,550 ft.

The land around Grand Canyon is covered by trees (71%) within 2 miles, trees (45%) and grassland (21%) within 10 miles, and grassland (42%), trees (23%) and bare terrain (23%) within 50 miles.

2 miles
3,527 ft
10 miles
5,873 ft
50 miles
8,550 ft
treesshrubsgrasslandartificial surfacesbare terrainwater
July weather nearby: Flagstaff 65 mi · Sedona 85 mi · Prescott Valley 100 mi · Hurricane 100 mi · Prescott 106 mi · Washington 106 mi · Saint George 108 mi · Mesquite 119 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 Grand Canyon (36.0544°, -112.1393°, elevation 0 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).