Glendale weather in August

In August, Glendale sees average daytime highs of 104°F and overnight lows near 83°F, with 1.1 in of rain across 4 wet days and about 13.2 hours of daylight. It is the 2nd-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 104°F through the month. The sky is clear or mostly clear about 68% of the time in August, and the air most often feels dry.

Daylight stretches from about 13 h 42 min at the start of August to 12 h 48 min by month's end. Set against the rest of the year, August is Glendale's 7th-clearest and 8th-windiest month. For the whole year in context, see Glendale's year-round climate.

Daytime high
104°
2nd warmest
Overnight low
83°
11th coldest
Rainfall
1.1 in
4 wet days
Daylight
13 h 18 min
5:55 AM – 7:10 PM
Cloud cover
32%
7th clearest
Wind
4 mph
8th windiest
Solar energy
6.88 kWh/m²
Travel score
0.2
out of 10

Glendale is city in Maricopa County, Arizona, United States.

Density
1,559/km²
people per km²
Founded
1887

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 104°F through the month.

A typical August day in Glendale reaches about 104°F in the afternoon and slips back to 83°F overnight — a 21°F spread between the day's warmth and the night's chill. On most days the high lands between 97°F and 110°F. Set against its neighbours, August runs about 2°F cooler than July and about 5°F warmer than September.

70°80°90°100°110°151015202531
Avg high (°F)Avg low (°F)
110584
210584
310584
410584
510584
610584
710584
810584
910584
1010583
1110483
1210483
1310483
1410483
1510483
1610483
1710483
1810483
1910483
2010483
2110382
2210382
2310382
2410382
2510382
2610382
2710382
2810381
2910281
3010281
3110281

How August really feels in Glendale

Once humidity and wind are folded in, August averages 31 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
31
31 feel dangerously hot (≥ 102°F)
Days feeling ≤ 32°F
0
wind chill below the day's low

The story in August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Glendale weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan66° / 43°1.13.4107.5
Feb70° / 46°1.33.910.87.7
Mar77° / 52°0.92.711.78.4
Apr85° / 58°0.31.212.87.0
May94° / 68°0.10.813.73.8
Jun103° / 76°0.10.314.20.6
Jul105° / 83°0.73.2140.0
Aug104° / 83°1.1413.20.2
Sep99° / 76°0.92.912.21.9
Oct88° / 63°0.71.911.25.8
Nov75° / 51°0.6210.38.6
Dec65° / 43°1.03.29.87.3

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 68% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 17% of August, with mostly cloudy or overcast conditions the remaining 16%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17723
27822
37921
47921
58020
68119
78119
88317
98317
108515
118515
128515
138515
148713
158713
168614
178614
188614
198713
208713
218713
228614
238614
248614
258614
268713
278614
288614
298614
308614
318614

Chance of precipitation in August

Any precipitation

Glendale gets around 1.1 in of rain over 4 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 13% and peaks near 14% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
112
213
313
413
513
613
712
812
912
1012
1112
1212
1312
1412
1512
1612
1713
1813
1913
2013
2113
2213
2313
2413
2513
2613
2713
2813
2913
3013
3114

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

Most of August feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, August lands in the dry band about 33% of days. Sticky, muggy-or-worse air turns up on roughly 18% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1362520135
2362521135
3362521135
4362522125
5362522125
6352523125
7352424115
8352524115
9352525105
10342525105
11342526105
12342526105
13332526105
14332526115
15322526115
16312526125
17312626125
18302626135
19302626135
20302526146
21292526146
22302525146
23302525156
24302424156
25312424156
26312424156
27322324156
28332324156
29342224156
30352223155
31362223145

Wind in August

Winds average 4 mph in August.

Across August, 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
55calm
65calm
75calm
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 August

DaylightNight

Daylight runs from about 13 h 42 min at the start of August to 12 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 54 minutes over August. Sunrise moves from 5:44 AM to 6:06 AM, and sunset from 7:25 PM to 6:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.75:447:25
213.75:457:24
313.65:467:24
413.65:477:23
513.65:477:22
613.55:487:21
713.55:497:20
813.55:497:19
913.55:507:18
1013.45:517:17
1113.45:527:16
1213.45:527:15
1313.35:537:14
1413.35:547:13
1513.35:547:12
1613.35:557:10
1713.25:567:09
1813.25:577:08
1913.25:577:07
2013.15:587:06
2113.15:597:05
2213.15:597:03
2313.06:007:02
2413.06:017:01
2513.06:027:00
2612.96:026:58
2712.96:036:57
2812.96:046:56
2912.86:046:54
3012.86:056:53
3112.86:066:52

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 6.88 kWh/m².

For context, solar energy here swings from a low near 3.17 kWh/m² to a high of 8.47 kWh/m² in June across the year — August's 6.88 kWh/m² falls in the middle.

02468151015202531
Solar energy (kWh/m²)Level
17.2Intense
27.2Intense
37.2Intense
47.1Intense
57.1Intense
67.1Intense
77.1Intense
87.1Intense
97.0Intense
107.0Intense
117.0Intense
127.0Intense
137.0Intense
147.0Intense
156.9Intense
166.9Intense
176.9Intense
186.8Intense
196.8Intense
206.8Intense
216.8Intense
226.7Intense
236.7Intense
246.7Intense
256.7Intense
266.6Intense
276.6Intense
286.6Intense
296.5Intense
306.5Intense
316.5Intense
Planning a trip in August

Is August a good time to visit Glendale?

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

0.2
Sightseeing
11th-best month of the year
3.0
Beach & pool
10th-best month of the year

August is a weaker month for outdoor sightseeing in Glendale.

What to pack for Glendale in August

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

In August, Glendale sees daytime highs around 104°F and nights near 83°F. Pack light clothes and sun protection. About 4 days see rain.

light clothessun protection

UV index in Glendale in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August 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 Glendale peaks around July 14 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 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 highHighModerateJul 14UV 11Dec 20UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar5Moderate
Apr7High
May9Very high
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Glendale in August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.

Air quality in Glendale is worst in June — around 17 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (December, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodGoodJun 1917 µg/m³Dec 149 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb11Good
Mar11Good
Apr12Moderate
May12Moderate
Jun17Moderate
Jul15Moderate
Aug12Good
Sep11Good
Oct13Moderate
Nov10Good
Dec9Good
Location & terrain

Where is Glendale?

Glendale sits at 33.5°N, 112.2°W, 1,152 ft above sea level, in United States. The nearest listed city is Maryvale, 2.5 mi away.

Topography around Glendale

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

Within 2 miles, the terrain around Glendale has only modest variations in elevation — a maximum elevation change of 92 ft around an average of 1,152 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,575 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 7,044 ft.

The land around Glendale is covered by artificial surfaces (79%) within 2 miles, artificial surfaces (69%) within 10 miles, and shrubs (54%) within 50 miles.

2 miles
92 ft
10 miles
1,575 ft
50 miles
7,044 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Maryvale 2.5 mi · Alhambra 4.3 mi · Peoria 4.3 mi · Sun City 6.2 mi · Encanto 7.5 mi · Phoenix 8.7 mi · El Mirage 9.3 mi · Central City 9.9 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 Glendale (33.5386°, -112.186°, elevation 1,152 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).