Parker weather in August

In August, Parker sees average daytime highs of 83°F and overnight lows near 56°F, with 1.7 in of rain across 8.3 wet days and about 13.6 hours of daylight. It is the 2nd-warmest and 5th-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 43% of the time in August, and the air most often feels dry.

Daylight stretches from about 14 h 06 min at the start of August to 13 hours by month's end. Set against the rest of the year, August is Parker's 7th-clearest and 12th-windiest month. For the whole year in context, see Parker's year-round climate.

Daytime high
83°
2nd warmest
Overnight low
56°
11th coldest
Rainfall
1.7 in
8.3 wet days
Daylight
13 h 36 min
5:16 AM – 6:50 PM
Cloud cover
47%
7th clearest
Wind
5 mph
12th windiest
Solar energy
6.54 kWh/m²
Travel score
6.3
out of 10

Parker is town in Douglas County, Colorado, United States.

Density
934/km²
people per km²
Founded
1981

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 83°F through the month.

A typical August day in Parker reaches about 83°F in the afternoon and slips back to 56°F overnight — a 27°F spread between the day's warmth and the night's chill. On most days the high lands between 74°F and 90°F. Set against its neighbours, August runs about 2°F cooler than July and about 7°F warmer than September.

40°60°80°151015202531
Avg high (°F)Avg low (°F)
18458
28458
38457
48457
58457
68357
78357
88357
98357
108357
118357
128357
138356
148356
158356
168356
178356
188356
198356
208356
218356
228356
238356
248255
258255
268255
278255
288255
298255
308154
318154

How August really feels in Parker

Once humidity and wind are folded in, August 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

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

Parker weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan42° / 17°0.64.34.69.50.3
Feb44° / 19°0.64.64.810.41.0
Mar52° / 26°1.66.95.511.73.2
Apr58° / 32°2.58.85.1134.5
May68° / 42°2.910.61.414.16.2
Jun80° / 52°2.09014.76.7
Jul85° / 58°2.19.4014.55.5
Aug83° / 56°1.78.3013.66.3
Sep76° / 48°1.25.70.412.37.7
Oct63° / 36°1.45.32.210.96.4
Nov50° / 25°0.954.59.82.8
Dec41° / 17°0.73.84.19.30.2

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 27% of August, with mostly cloudy or overcast conditions the remaining 30%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16337
26436
36436
46535
56634
66634
76832
86832
96931
106931
117030
127129
137129
147228
157129
167129
177129
187129
197129
207129
217129
227129
237129
247228
257228
267228
277327
287327
297426
307426
317426

Chance of precipitation in August

Any precipitation

Parker gets around 1.7 in of rain over 8.3 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 26% and peaks near 31% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
131
231
331
431
530
630
730
830
929
1029
1129
1228
1328
1427
1527
1626
1726
1825
1925
2025
2124
2224
2324
2423
2523
2623
2722
2822
2922
3022
3122

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 93% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
18515
28515
38515
48614
58614
68713
78812
88911
98911
109010
11919
12928
13928
14937
15937
16946
17955
18955
19955
20964
21964
22973
23973
24973
25973
26982
27982
28982
29982
30991
31991

Wind in August

Winds average 5 mph in August, the calmest month.

Across August, daily wind ranges from about 5 mph on the calmest days to 6 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
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 h 06 min at the start of August to 13 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 66 minutes over August. Sunrise moves from 5:02 AM to 5:31 AM, and sunset from 7:08 PM to 6:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.15:027:08
214.15:037:07
314.05:047:06
414.05:057:05
514.05:067:04
613.95:077:03
713.95:087:02
813.95:097:00
913.85:106:59
1013.85:106:58
1113.85:116:57
1213.75:126:55
1313.75:136:54
1413.65:146:53
1513.65:156:51
1613.65:166:50
1713.55:176:49
1813.55:186:47
1913.45:196:46
2013.45:206:44
2113.45:216:43
2213.35:226:42
2313.35:236:40
2413.25:246:39
2513.25:256:37
2613.25:266:36
2713.15:276:34
2813.15:286:32
2913.05:296:31
3013.05:306:29
3113.05:316:28

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 6.54 kWh/m².

For context, solar energy here swings from a low near 2.54 kWh/m² to a high of 7.44 kWh/m² in June across the year — August's 6.54 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.8Intense
26.8Intense
36.8Intense
46.8Intense
56.8Intense
66.8Intense
76.8Intense
86.7Intense
96.7Intense
106.7Intense
116.7Intense
126.7Intense
136.7Intense
146.6Intense
156.6Intense
166.6Intense
176.6Intense
186.5Intense
196.5Intense
206.5Intense
216.5Intense
226.4Intense
236.4Intense
246.4Intense
256.3Intense
266.3Intense
276.3Intense
286.2Intense
296.2Intense
306.2Intense
316.1Intense
Planning a trip in August

Is August a good time to visit Parker?

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

6.3
Sightseeing
4th-best month of the year
7.4
Beach & pool
1st-best month of the year

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

What to pack for Parker in August

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

In August, Parker sees daytime highs around 83°F and nights near 56°F. Pack light clothes and sun protection. Worth having: rain gear. About 8 days see rain.

light clothessun protectionrain gear

UV index in Parker in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Parker 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 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJul 13UV 11Dec 23UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar7High
Apr6High
May8Very high
Jun11Extreme
Jul11Extreme
Aug10Very high
Sep7Very high
Oct5High
Nov4Moderate
Dec2Low

Air quality in Parker 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 Parker 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 Parker?

Parker sits at 39.5°N, 104.8°W, 5,869 ft above sea level, in United States. The nearest listed city is Centennial, 7.5 mi away.

Topography around Parker

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

Within 2 miles, the terrain around Parker has only modest variations in elevation — a maximum elevation change of 427 ft around an average of 5,928 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,188 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 9,459 ft.

The land around Parker is covered by grassland (48%) and artificial surfaces (40%) within 2 miles, grassland (66%) and artificial surfaces (21%) within 10 miles, and grassland (55%) and trees (25%) within 50 miles.

2 miles
427 ft
10 miles
1,188 ft
50 miles
9,459 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Centennial 7.5 mi · Castlewood 8.7 mi · Southglenn 11 mi · Castle Rock 11 mi · Highlands Ranch 11 mi · Greenwood Village 12 mi · Englewood 15 mi · Aurora 15 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 Parker (39.5186°, -104.7614°, elevation 5,869 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).