Northglenn weather in July

In July, Northglenn sees average daytime highs of 86°F and overnight lows near 59°F, with 1.7 in of rain across 8.5 wet days and about 14.5 hours of daylight. It is the 1st-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 86°F through the month. The sky is clear or mostly clear about 40% of the time in July, and the air most often feels dry.

Daylight stretches from about 14 h 48 min at the start of July to 14 h 12 min by month's end. Set against the rest of the year, July is Northglenn's 7th-clearest and 11th-windiest month. For the whole year in context, see Northglenn's year-round climate.

Daytime high
86°
1st warmest
Overnight low
59°
12th coldest
Rainfall
1.7 in
8.5 wet days
Daylight
14 h 36 min
4:48 AM – 7:23 PM
Cloud cover
49%
7th clearest
Wind
4 mph
11th windiest
Solar energy
7.28 kWh/m²
Travel score
5.2
out of 10

Northglenn is city in Adams and Weld counties in Colorado, United States.

Density
2,032/km²
people per km²
Founded
1969

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 86°F through the month.

A typical July day in Northglenn reaches about 86°F in the afternoon and slips back to 59°F overnight — a 27°F spread between the day's warmth and the night's chill. On most days the high lands between 77°F and 94°F. Set against its neighbours, July runs about 6°F warmer than June and about 2°F warmer than August.

50°60°70°80°90°151015202531
Avg high (°F)Avg low (°F)
18557
28557
38557
48657
58658
68658
78658
88658
98658
108658
118659
128759
138759
148759
158759
168759
178759
188759
198759
208760
218660
228660
238660
248660
258660
268659
278659
288659
298559
308559
318559

How July really feels in Northglenn

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.

Northglenn weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan41° / 18°0.84.74.89.50.2
Feb44° / 20°0.85.65.510.41.0
Mar54° / 27°1.77.6511.73.5
Apr60° / 34°2.79.94.3134.9
May69° / 44°3.311.90.714.26.1
Jun80° / 53°2.19.2014.86.6
Jul86° / 59°1.78.5014.55.2
Aug84° / 57°1.67.3013.66.1
Sep77° / 49°1.56.10.412.37.6
Oct64° / 37°1.66.32.110.96.4
Nov51° / 26°1.15.84.69.82.9
Dec41° / 18°0.84.64.79.20.3

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 40% 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 32%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17129
27129
37129
47129
57129
67129
77129
87129
97129
107129
117030
127030
137030
147129
156931
166931
176931
186931
196733
206733
216634
226634
236436
246436
256436
266337
276238
286238
296139
306139
316139

Chance of precipitation in July

Any precipitation

Northglenn gets around 1.7 in of rain over 8.5 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 28% and peaks near 30% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
125
225
326
426
526
626
727
827
927
1027
1127
1227
1327
1427
1527
1627
1727
1828
1928
2028
2128
2228
2329
2429
2529
2630
2730
2830
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 79% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
189110
288120
388120
487130
586140
685150
784160
883170
981181
1080191
1180191
1279201
1379201
1478211
1578211
1678211
1777212
1877212
1977212
2076222
2175223
2275223
2375223
2474233
2574233
2674233
2773234
2872244
2973243
3073243
3173243

Wind in July

Winds average 4 mph in July.

Across July, daily wind ranges from about 4 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
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
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 48 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 36 minutes over July. Sunrise moves from 4:39 AM to 5:01 AM, and sunset from 7:27 PM to 7:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.84:397:27
214.84:407:27
314.84:407:27
414.84:417:27
514.84:417:27
614.74:427:26
714.74:427:26
814.74:437:26
914.74:447:26
1014.74:447:25
1114.74:457:25
1214.64:467:25
1314.64:467:24
1414.64:477:24
1514.64:487:23
1614.64:487:23
1714.54:497:22
1814.54:507:21
1914.54:517:21
2014.54:527:20
2114.54:527:19
2214.44:537:19
2314.44:547:18
2414.44:557:17
2514.34:567:16
2614.34:577:16
2714.34:587:15
2814.34:587:14
2914.24:597:13
3014.25:007:12
3114.25:017:11

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 7.28 kWh/m².

For context, solar energy here swings from a low near 2.49 kWh/m² to a high of 7.42 kWh/m² in June across the year — July's 7.28 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
77.5Intense
87.5Intense
97.4Intense
107.4Intense
117.4Intense
127.4Intense
137.4Intense
147.3Intense
157.3Intense
167.3Intense
177.3Intense
187.3Intense
197.2Intense
207.2Intense
217.2Intense
227.1Intense
237.1Intense
247.1Intense
257.0Intense
267.0Intense
277.0Intense
286.9Intense
296.9Intense
306.9Intense
316.9Intense
Planning a trip in July

Is July a good time to visit Northglenn?

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

5.2
Sightseeing
6th-best month of the year
7.2
Beach & pool
2nd-best month of the year

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

What to pack for Northglenn in July

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

In July, Northglenn sees daytime highs around 86°F and nights near 59°F. Pack light clothes and sun protection. Worth having: rain gear. About 9 days see rain.

light clothessun protectionrain gear

UV index in Northglenn 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 Northglenn peaks around July 12 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 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJul 12UV 11Dec 23UV 2
UV index (midday)Level
Jan2Low
Feb4Moderate
Mar7High
Apr6High
May7Very high
Jun10Extreme
Jul11Extreme
Aug10Very high
Sep7Very high
Oct5High
Nov3Moderate
Dec2Low

Air quality in Northglenn 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 Northglenn is worst in August — around 21 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (May, 13 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateAug 1620 µg/m³May 1113 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb15Moderate
Mar16Moderate
Apr13Moderate
May13Moderate
Jun14Moderate
Jul14Moderate
Aug21Moderate
Sep13Moderate
Oct15Moderate
Nov15Moderate
Dec16Moderate
Location & terrain

Where is Northglenn?

Northglenn sits at 39.9°N, 105.0°W, 5,377 ft above sea level, in United States. The nearest listed city is Thornton, 1.2 mi away.

Topography around Northglenn

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

Within 2 miles, the terrain around Northglenn has only modest variations in elevation — a maximum elevation change of 394 ft around an average of 5,364 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 951 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 9,708 ft.

The land around Northglenn is covered by artificial surfaces (66%) within 2 miles, artificial surfaces (42%) and grassland (36%) within 10 miles, and grassland (42%) and trees (31%) within 50 miles.

2 miles
394 ft
10 miles
951 ft
50 miles
9,708 ft
treesgrasslandcroplandartificial surfacesbare terrainwatermoss and lichen
July weather nearby: Thornton 1.2 mi · Sherrelwood 3.1 mi · Westminster 4.3 mi · Broomfield 5.6 mi · Commerce City 6.2 mi · Arvada 8.1 mi · Lafayette 9.3 mi · Wheat Ridge 9.3 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 Northglenn (39.8855°, -104.9872°, elevation 5,377 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).