Flagstaff weather in July

In July, Flagstaff sees average daytime highs of 80°F and overnight lows near 57°F, with 4.5 in of rain across 14.8 wet days and about 14.1 hours of daylight. It is the 1st-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 82°F in the first days to 79°F by the end. The sky is clear or mostly clear about 29% of the time in July, and the air most often feels dry.

Daylight stretches from about 14 h 18 min at the start of July to 13 h 48 min by month's end. Set against the rest of the year, July is Flagstaff's 12th-clearest and 11th-windiest month. For the whole year in context, see Flagstaff's year-round climate.

Daytime high
80°
1st warmest
Overnight low
57°
12th coldest
Rainfall
4.5 in
14.8 wet days
Daylight
14 h 12 min
5:28 AM – 7:37 PM
Cloud cover
55%
12th clearest
Wind
5 mph
11th windiest
Solar energy
7.12 kWh/m²
Travel score
6.0
out of 10

Flagstaff is city in and county seat of Coconino County, Arizona, United States.

Density
425/km²
people per km²
Founded
1876

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 82°F in the first days to 79°F by the end.

A typical July day in Flagstaff reaches about 80°F in the afternoon and slips back to 57°F overnight — a 24°F spread between the day's warmth and the night's chill. On most days the high lands between 73°F and 87°F. Set against its neighbours, July runs about 2°F warmer than June and about 3°F warmer than August.

50°60°70°80°90°151015202531
Avg high (°F)Avg low (°F)
18256
28256
38256
48256
58256
68256
78156
88156
98157
108157
118157
128157
138157
148057
158057
168057
178057
188057
198057
208057
218057
228057
238057
247957
257957
267957
277957
287957
297957
307957
317957

How July really feels in Flagstaff

Once humidity and wind are folded in, July averages 0 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
0
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

July sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Flagstaff weather by month

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

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan41° / 22°1.86.35.69.90.1
Feb44° / 24°2.06.96.110.70.8
Mar50° / 28°1.97.35.111.72.6
Apr58° / 33°1.25.6312.94.9
May67° / 42°1.35.70.813.87.2
Jun78° / 51°0.43014.38.3
Jul80° / 57°4.514.8014.16.0
Aug77° / 55°5.016.4013.36.0
Sep72° / 50°2.38.8012.27.3
Oct62° / 40°1.35.20.911.16.4
Nov50° / 29°1.34.1310.12.9
Dec41° / 22°1.65.85.69.70.2

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% 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 49%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16931
26733
36535
46337
56238
66040
75842
85743
95644
105446
115446
125248
135149
145050
154951
164753
174753
184753
194555
204555
214456
224456
234357
244357
254357
264357
274258
284258
294357
304357
314555

Chance of precipitation in July

Any precipitation

Flagstaff gets around 4.5 in of rain over 14.8 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 46% and peaks near 58% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
122
224
326
428
530
632
734
836
938
1040
1142
1243
1345
1447
1549
1650
1752
1853
1954
2055
2156
2257
2357
2458
2558
2658
2758
2858
2957
3057
3156

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 89% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1991
2991
3982
4982
5973
6964
7964
8955
9946
10937
11937
12928
13919
14919
159010
168911
178812
188713
198614
208515
218515
228416
238317
248317
258218
268218
278119
288119
298119
308119
318218

Wind in July

Winds average 5 mph in July.

Across July, daily wind ranges from about 4 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
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 14 h 18 min at the start of July to 13 h 48 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 5:20 AM to 5:38 AM, and sunset from 7:40 PM to 7:27 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.35:207:40
214.35:207:40
314.35:207:40
414.35:217:40
514.35:217:40
614.35:227:40
714.35:227:40
814.35:237:40
914.35:237:39
1014.35:247:39
1114.25:247:39
1214.25:257:38
1314.25:267:38
1414.25:267:38
1514.25:277:37
1614.25:287:37
1714.15:287:36
1814.15:297:36
1914.15:307:35
2014.15:307:35
2114.15:317:34
2214.05:327:34
2314.05:327:33
2414.05:337:33
2514.05:347:32
2613.95:347:31
2713.95:357:30
2813.95:367:30
2913.95:377:29
3013.85:377:28
3113.85:387:27

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 7.12 kWh/m².

For context, solar energy here swings from a low near 3.08 kWh/m² to a high of 8.41 kWh/m² in June across the year — July's 7.12 kWh/m² falls in the middle.

02468151015202531
Solar energy (kWh/m²)Level
17.9Intense
27.9Intense
37.8Intense
47.8Intense
57.7Intense
67.6Intense
77.6Intense
87.5Intense
97.5Intense
107.4Intense
117.3Intense
127.3Intense
137.2Intense
147.2Intense
157.1Intense
167.1Intense
177.0Intense
187.0Intense
197.0Intense
206.9Intense
216.9Intense
226.8Intense
236.8Intense
246.8Intense
256.8Intense
266.7Intense
276.7Intense
286.7Intense
296.7Intense
306.7Intense
316.7Intense
Planning a trip in July

Hazard calendar for Flagstaff

In seasonPeak

In July, Flagstaff sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Flagstaff's rainy season runs July–September, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is July a good time to visit Flagstaff?

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

6.0
Sightseeing
5th-best month of the year
6.1
Beach & pool
2nd-best month of the year

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

What to pack for Flagstaff in July

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

In July, Flagstaff sees daytime highs around 80°F and nights near 57°F. Pack rain gear and sun protection. Worth having: light clothes. About 15 days see rain.

rain gearsun protectionlight clothes

UV index in Flagstaff 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 Flagstaff peaks around June 23 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 — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 23UV 12Dec 17UV 3
UV index (midday)Level
Jan4Moderate
Feb6High
Mar7High
Apr6High
May8Very high
Jun12Extreme
Jul12Extreme
Aug11Extreme
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Flagstaff 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 Flagstaff is worst in June — around 23 µg/m³ PM2.5 (moderate), about 4.2× the cleanest month (December, 5 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateGoodJun 1621 µg/m³Dec 216 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb6Good
Mar7Good
Apr10Good
May11Good
Jun23Moderate
Jul10Good
Aug8Good
Sep13Moderate
Oct16Moderate
Nov12Good
Dec5Good
Location & terrain

Where is Flagstaff?

Flagstaff sits at 35.2°N, 111.7°W, 6,903 ft above sea level, in United States. The nearest listed city is Sedona, 24 mi away.

Topography around Flagstaff

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

Within 2 miles, the terrain around Flagstaff has only modest variations in elevation — a maximum elevation change of 643 ft around an average of 7,014 ft above sea level; within 10 miles, very significant variations in elevation — a maximum elevation change of 6,017 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 9,577 ft.

The land around Flagstaff is covered by trees (56%) and artificial surfaces (33%) within 2 miles, trees (76%) within 10 miles, and grassland (38%) and trees (36%) within 50 miles.

2 miles
643 ft
10 miles
6,017 ft
50 miles
9,577 ft
treesshrubsgrasslandartificial surfacesbare terrain
July weather nearby: Sedona 24 mi · Prescott Valley 55 mi · Prescott 65 mi · Grand Canyon 65 mi · Payson 70 mi · Anthem 96 mi · Deer Valley 108 mi · Fountain Hills 110 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 Flagstaff (35.1981°, -111.6513°, elevation 6,903 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).