Cheyenne weather in July

In July, Cheyenne sees average daytime highs of 83°F and overnight lows near 57°F, with 1.6 in of rain across 9.3 wet days and about 14.7 hours of daylight. It is the 1st-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 83°F through the month. The sky is clear or mostly clear about 41% of the time in July, and the air most often feels dry.

Daylight stretches from about 14 h 54 min at the start of July to 14 h 18 min by month's end. Set against the rest of the year, July is Cheyenne's 5th-clearest and 12th-windiest month. For the whole year in context, see Cheyenne's year-round climate.

Daytime high
83°
1st warmest
Overnight low
57°
12th coldest
Rainfall
1.6 in
9.3 wet days
Daylight
14 h 42 min
4:44 AM – 7:26 PM
Cloud cover
47%
5th clearest
Wind
8 mph
12th windiest
Solar energy
7.26 kWh/m²
Travel score
6.3
out of 10

Cheyenne is capital city of the U.S. state of Wyoming and seat of Laramie County.

Density
1,021/km²
people per km²
Founded
1867

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 83°F through the month.

A typical July day in Cheyenne reaches about 83°F in the afternoon and slips back to 57°F overnight — a 25°F spread between the day's warmth and the night's chill. On most days the high lands between 74°F and 91°F. Set against its neighbours, July runs about 7°F warmer than June and about 2°F warmer than August.

40°60°80°151015202531
Avg high (°F)Avg low (°F)
18155
28155
38256
48256
58256
68256
78256
88357
98357
108357
118357
128357
138358
148358
158358
168358
178358
188358
198358
208358
218358
228358
238358
248358
258358
268358
278358
288358
298258
308258
318258

How July really feels in Cheyenne

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.

Cheyenne weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan38° / 21°0.53.93.89.40.0
Feb40° / 21°0.74.84.810.40.1
Mar49° / 27°1.46.65.111.72.1
Apr55° / 32°2.4105.413.13.4
May64° / 42°3.012.31.514.35.3
Jun76° / 51°2.110.2014.96.8
Jul83° / 57°1.69.3014.76.3
Aug81° / 56°1.58.2013.66.9
Sep73° / 47°1.560.412.37.5
Oct59° / 36°1.56.92.710.95.1
Nov47° / 27°0.84.74.49.71.7
Dec38° / 21°0.74.24.59.10.0

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 41% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 28% of July, with mostly cloudy or overcast conditions the remaining 30%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17228
27129
37129
47129
57129
67129
77228
87228
97228
107228
117228
127228
137228
147327
157228
167228
177228
187228
197129
207129
217030
227030
237030
246832
256832
266733
276634
286634
296535
306436
316436

Chance of precipitation in July

Any precipitation

Cheyenne gets around 1.6 in of rain over 9.3 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 30% and peaks near 31% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
128
228
328
429
529
629
729
829
929
1029
1129
1229
1329
1429
1529
1629
1730
1830
1930
2030
2130
2230
2330
2430
2531
2631
2731
2831
2931
3031
3131

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 90% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19640
29550
39550
49460
59460
69370
79370
89280
99280
109190
119190
129190
139190
1490100
1590100
1690100
1790100
1890100
1990100
2089110
2188111
2288111
2388111
2488111
2587121
2687121
2787121
2887121
2987121
3088111
3188111

Wind in July

Winds average 8 mph in July, the calmest month.

Across July, daily wind ranges from about 8 mph on the calmest days to 8 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
18light breeze
28light breeze
38light breeze
48light breeze
58light breeze
68light breeze
78light breeze
88light breeze
98light breeze
108light breeze
118light breeze
128light breeze
138light breeze
148light breeze
158light breeze
168light breeze
178light breeze
188light breeze
198light breeze
208light breeze
218light breeze
228light breeze
238light breeze
248light breeze
258light breeze
268light breeze
278light breeze
288light breeze
298light breeze
308light breeze
318light breeze

Sunrise & sunset in July

DaylightNight

Daylight runs from about 14 h 54 min at the start of July to 14 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over July. Sunrise moves from 4:35 AM to 4:57 AM, and sunset from 7:31 PM to 7:13 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.94:357:31
214.94:357:30
314.94:367:30
414.94:367:30
514.94:377:30
614.94:377:30
714.94:387:29
814.84:397:29
914.84:397:29
1014.84:407:29
1114.84:407:28
1214.84:417:28
1314.84:427:27
1414.74:437:27
1514.74:437:26
1614.74:447:26
1714.74:457:25
1814.64:467:24
1914.64:477:24
2014.64:477:23
2114.64:487:22
2214.54:497:22
2314.54:507:21
2414.54:517:20
2514.54:527:19
2614.44:537:18
2714.44:547:17
2814.44:557:16
2914.34:567:15
3014.34:577:14
3114.34:577:13

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 7.26 kWh/m².

For context, solar energy here swings from a low near 2.29 kWh/m² to a high of 7.28 kWh/m² in June across the year — July's 7.26 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.5Intense
27.5Intense
37.5Intense
47.5Intense
57.5Intense
67.5Intense
77.4Intense
87.4Intense
97.4Intense
107.4Intense
117.4Intense
127.4Intense
137.3Intense
147.3Intense
157.3Intense
167.3Intense
177.3Intense
187.2Intense
197.2Intense
207.2Intense
217.2Intense
227.1Intense
237.1Intense
247.0Intense
257.0Intense
267.0Intense
277.0Intense
286.9Intense
296.9Intense
306.9Intense
316.8Intense
Planning a trip in July

Is July a good time to visit Cheyenne?

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

6.3
Sightseeing
4th-best month of the year
7.2
Beach & pool
1st-best month of the year

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

What to pack for Cheyenne in July

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

In July, Cheyenne sees daytime highs around 83°F and nights near 57°F. Pack light clothes and sun protection. Worth having: rain gear. About 9 days see rain.

light clothessun protectionrain gear

UV index in Cheyenne 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 Cheyenne peaks around July 13 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJul 13UV 11Dec 22UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar7High
Apr6High
May8Very high
Jun10Extreme
Jul11Extreme
Aug9Very high
Sep7Very high
Oct5Moderate
Nov3Moderate
Dec2Low

Air quality in Cheyenne 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 Cheyenne is worst in September — around 15 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (November, 6 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1415 µg/m³Nov 236 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb8Good
Mar10Good
Apr9Good
May10Good
Jun10Good
Jul11Good
Aug14Moderate
Sep15Moderate
Oct13Moderate
Nov6Good
Dec6Good
Location & terrain

Where is Cheyenne?

Cheyenne sits at 41.1°N, 104.8°W, 6,089 ft above sea level, in United States. The nearest listed city is Fort Collins, 41 mi away.

Topography around Cheyenne

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

Within 2 miles, the terrain around Cheyenne has only modest variations in elevation — a maximum elevation change of 184 ft around an average of 6,099 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 984 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 5,801 ft.

The land around Cheyenne is covered by artificial surfaces (57%) and grassland (32%) within 2 miles, grassland (90%) within 10 miles, and grassland (83%) within 50 miles.

2 miles
184 ft
10 miles
984 ft
50 miles
5,801 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
July weather nearby: Fort Collins 41 mi · Laramie 42 mi · Windsor 46 mi · Greeley 50 mi · Loveland 53 mi · Evans 53 mi · Estes Park 64 mi · Longmont 69 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 Cheyenne (41.14°, -104.8203°, elevation 6,089 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).