Greeley weather in July

In July, Greeley sees average daytime highs of 88°F and overnight lows near 61°F, with 1.4 in of rain across 7.5 wet days and about 14.6 hours of daylight. It is the 1st-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 88°F through the month. The sky is clear or mostly clear about 43% 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 12 min by month's end. Set against the rest of the year, July is Greeley's 6th-clearest and 8th-windiest month. For the whole year in context, see Greeley's year-round climate.

Daytime high
88°
1st warmest
Overnight low
61°
12th coldest
Rainfall
1.4 in
7.5 wet days
Daylight
14 h 36 min
4:46 AM – 7:23 PM
Cloud cover
47%
6th clearest
Wind
5 mph
8th windiest
Solar energy
7.25 kWh/m²
Travel score
4.7
out of 10

Greeley is city in and county seat of Weld County, Colorado, United States.

Density
876/km²
people per km²
Founded
1869

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 88°F through the month.

A typical July day in Greeley reaches about 88°F in the afternoon and slips back to 61°F overnight — a 28°F spread between the day's warmth and the night's chill. On most days the high lands between 79°F and 96°F. Set against its neighbours, July runs about 6°F warmer than June and about 2°F warmer than August.

60°80°100°151015202531
Avg high (°F)Avg low (°F)
18759
28759
38759
48859
58860
68860
78860
88860
98860
108960
118961
128961
138961
148961
158961
168961
178961
188961
198961
208961
218961
228961
238961
248861
258861
268861
278861
288861
298861
308861
318761

How July really feels in Greeley

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.

Greeley 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
Jan41° / 19°0.42.93.39.40.2
Feb45° / 21°0.43.43.410.41.2
Mar55° / 29°1.15.43.211.74.0
Apr62° / 36°1.98.52.7135.5
May71° / 45°2.69.80.614.26.6
Jun82° / 55°1.67.3014.86.4
Jul88° / 61°1.47.5014.64.7
Aug86° / 59°1.26.6013.65.5
Sep78° / 50°1.14.60.312.37.7
Oct64° / 38°1.25.11.410.96.5
Nov51° / 27°0.63.82.99.82.9
Dec41° / 20°0.42.939.20.2

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 43% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 27% of July, with mostly cloudy or overcast conditions the remaining 31%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17426
27426
37327
47327
57327
67327
77228
87228
97228
107228
117228
127228
137228
147228
157228
167129
177030
187030
197030
206832
216832
226733
236733
246634
256535
266535
276436
286337
296337
306337
316337

Chance of precipitation in July

Any precipitation

Greeley gets around 1.4 in of rain over 7.5 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 24% and peaks near 28% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
121
221
321
422
522
622
723
823
923
1023
1123
1222
1322
1422
1523
1623
1723
1823
1924
2024
2124
2225
2325
2426
2526
2627
2727
2827
2928
3028
3128

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 76% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
188111
288111
386122
485132
585132
684142
782153
882153
981163
1079174
1178184
1278184
1377194
1477194
1576204
1675214
1774215
1874215
1973225
2073225
2173225
2271236
2371236
2471236
2571236
2670246
2770246
2869247
2969247
3069247
3168257

Wind in July

Winds average 5 mph in July.

Across July, daily wind ranges from about 5 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
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 54 min at the start of July to 14 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 42 minutes over July. Sunrise moves from 4:37 AM to 4:59 AM, and sunset from 7:28 PM to 7:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.94:377:28
214.84:377:28
314.84:387:28
414.84:387:27
514.84:397:27
614.84:397:27
714.84:407:27
814.84:407:27
914.84:417:26
1014.74:427:26
1114.74:427:25
1214.74:437:25
1314.74:447:25
1414.74:447:24
1514.64:457:24
1614.64:467:23
1714.64:477:22
1814.64:477:22
1914.64:487:21
2014.54:497:21
2114.54:507:20
2214.54:517:19
2314.44:527:18
2414.44:527:18
2514.44:537:17
2614.44:547:16
2714.34:557:15
2814.34:567:14
2914.34:577:13
3014.24:587:12
3114.24:597:11

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 7.25 kWh/m².

For context, solar energy here swings from a low near 2.34 kWh/m² to a high of 7.29 kWh/m² in June across the year — July's 7.25 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
67.4Intense
77.4Intense
87.4Intense
97.4Intense
107.4Intense
117.4Intense
127.3Intense
137.3Intense
147.3Intense
157.3Intense
167.3Intense
177.3Intense
187.2Intense
197.2Intense
207.2Intense
217.1Intense
227.1Intense
237.1Intense
247.0Intense
257.0Intense
267.0Intense
276.9Intense
286.9Intense
296.9Intense
306.9Intense
316.8Intense
Planning a trip in July

Is July a good time to visit Greeley?

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

4.7
Sightseeing
7th-best month of the year
7.2
Beach & pool
2nd-best month of the year

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

What to pack for Greeley in July

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

In July, Greeley sees daytime highs around 88°F and nights near 61°F. Pack light clothes and sun protection. About 8 days see rain.

light clothessun protection

UV index in Greeley 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 Greeley peaks around July 13 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 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 23UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar6High
Apr6High
May7Very high
Jun10Extreme
Jul11Extreme
Aug9Very high
Sep7High
Oct5Moderate
Nov3Moderate
Dec2Low

Air quality in Greeley 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 Greeley is worst in October — around 30 µg/m³ PM2.5 (moderate), about 3.1× the cleanest month (November, 10 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateGoodOct 1528 µg/m³Nov 2310 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb12Moderate
Mar14Moderate
Apr11Good
May11Good
Jun12Good
Jul14Moderate
Aug19Moderate
Sep17Moderate
Oct30Moderate
Nov10Good
Dec11Good
Location & terrain

Where is Greeley?

Greeley sits at 40.4°N, 104.7°W, 4,675 ft above sea level, in United States. The nearest listed city is Evans, 3.1 mi away.

Topography around Greeley

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

Within 2 miles, the terrain around Greeley has only modest variations in elevation — a maximum elevation change of 226 ft around an average of 4,705 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 505 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 9,862 ft.

The land around Greeley is covered by artificial surfaces (51%) within 2 miles, cropland (55%) and grassland (29%) within 10 miles, and grassland (61%) and cropland (21%) within 50 miles.

2 miles
226 ft
10 miles
505 ft
50 miles
9,862 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
July weather nearby: Evans 3.1 mi · Windsor 11 mi · Loveland 19 mi · Fort Collins 22 mi · Longmont 27 mi · Brighton 31 mi · Erie 32 mi · Lafayette 36 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 Greeley (40.4233°, -104.7091°, elevation 4,675 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).