Huntley weather in August

In August, Huntley sees average daytime highs of 79°F and overnight lows near 62°F, with 3.6 in of rain across 10 wet days and about 13.7 hours of daylight. It is the 2nd-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 79°F through the month. The sky is clear or mostly clear about 35% of the time in August, and the air most often feels comfortable.

Daylight stretches from about 14 h 18 min at the start of August to 13 hours by month's end. Set against the rest of the year, August is Huntley's 2nd-clearest and 12th-windiest month. For the whole year in context, see Huntley's year-round climate.

Daytime high
79°
2nd warmest
Overnight low
62°
11th coldest
Rainfall
3.6 in
10 wet days
Daylight
13 h 42 min
5:06 AM – 6:49 PM
Cloud cover
55%
2nd clearest
Wind
6 mph
12th windiest
Solar energy
5.36 kWh/m²
Travel score
6.7
out of 10

Huntley is village in McHenry and Kane counties, Illinois, United States.

Density
698/km²
people per km²
Founded
1851

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 79°F through the month.

A typical August day in Huntley reaches about 79°F in the afternoon and slips back to 62°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 72°F and 87°F. Set against its neighbours, August runs about 2°F cooler than July and about 6°F warmer than September.

50°60°70°80°90°151015202531
Avg high (°F)Avg low (°F)
18164
28163
38163
48063
58063
68063
78063
88063
98063
108062
118062
128062
138062
147962
157962
167962
177962
187962
197962
207962
217962
227962
237962
247961
257961
267961
277961
287861
297860
307860
317860

How August really feels in Huntley

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.

Huntley weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan29° / 15°2.07.95.99.30.0
Feb33° / 19°1.87.15.210.30.0
Mar45° / 29°2.59.73.411.61.1
Apr57° / 39°4.312.1113.13.8
May68° / 49°4.512.6014.45.8
Jun78° / 60°4.1120156.4
Jul81° / 64°3.510.6014.86.4
Aug79° / 62°3.610013.76.7
Sep73° / 54°3.28.8012.37.0
Oct60° / 42°3.18.90.110.85.0
Nov46° / 31°2.48.11.89.61.3
Dec34° / 21°2.27.94.890.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 19% of August, with mostly cloudy or overcast conditions the remaining 45%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15644
25545
35545
45644
55446
65446
75446
85446
95446
105446
115446
125347
135347
145347
155446
165446
175446
185446
195446
205347
215347
225446
235347
245446
255446
265644
275644
285743
295743
305842
315941

Chance of precipitation in August

Any precipitation

Huntley gets around 3.6 in of rain over 10 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 32% and peaks near 34% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
133
233
333
433
533
633
733
833
933
1033
1133
1234
1334
1434
1534
1634
1734
1833
1933
2033
2132
2232
2332
2431
2531
2630
2729
2829
2928
3028
3128

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the comfortable band about 26% of days. Sticky, muggy-or-worse air turns up on roughly 33% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
113262524111
213262524111
313262524111
413262524111
513262524111
614262524110
714262524110
815262524100
915262524100
1015262523100
1116262523100
1216262523100
1316272523100
141627252390
151626252390
161626252490
171626262490
181626262480
191625262580
201625262580
211625262580
221625262580
231625262580
241726262570
251726252470
261826252470
271926252370
282026242370
292127242270
302227242160
312327232060

Wind in August

Winds average 6 mph in August, the calmest month.

Across August, daily wind ranges from about 6 mph on the calmest days to 7 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
307calm
317calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 h 18 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 78 minutes over August. Sunrise moves from 4:50 AM to 5:22 AM, and sunset from 7:09 PM to 6:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.34:507:09
214.34:517:08
314.24:527:07
414.24:537:06
514.24:547:04
614.14:567:03
714.14:577:02
814.14:587:01
914.04:596:59
1014.05:006:58
1113.95:016:57
1213.95:026:55
1313.85:036:54
1413.85:046:52
1513.85:056:51
1613.75:066:49
1713.75:076:48
1813.65:086:46
1913.65:096:45
2013.55:106:43
2113.55:126:42
2213.55:136:40
2313.45:146:39
2413.45:156:37
2513.35:166:35
2613.35:176:34
2713.25:186:32
2813.25:196:30
2913.15:206:29
3013.15:216:27
3113.05:226:25

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.36 kWh/m².

For context, solar energy here swings from a low near 1.64 kWh/m² to a high of 6.28 kWh/m² in June across the year — August's 5.36 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.7Bright
55.7Bright
65.7Bright
75.6Bright
85.6Bright
95.5Bright
105.5Bright
115.5Bright
125.4Bright
135.4Bright
145.4Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.1Bright
255.1Bright
265.1Bright
275.1Bright
285.0Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in August

Is August a good time to visit Huntley?

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

6.7
Sightseeing
2nd-best month of the year
6.5
Beach & pool
2nd-best month of the year

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

What to pack for Huntley in August

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

In August, Huntley sees daytime highs around 79°F and nights near 62°F. Worth packing: light clothes, rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

Sea temperature near Huntley in August

The nearest coast averages about 71°F in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 32 mi away) is warmest in August at about 71°F and coldest in March near 36°F.

It's comfortable for a long swim from Jul 18 to Sep 8 — about 1.7 months when the water holds above 68°F.

30°40°50°60°70°80°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°F)Comfort
Jan38Bracing
Feb36Bracing
Mar36Bracing
Apr38Bracing
May43Bracing
Jun55Bracing
Jul68Refreshing
Aug71Refreshing
Sep67Cool
Oct57Bracing
Nov47Bracing
Dec42Bracing

UV index in Huntley in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Huntley peaks around June 20 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 20UV 9Dec 21UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr6High
May8Very high
Jun9Very high
Jul8Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov2Moderate
Dec2Low

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

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodJul 1817 µg/m³Oct 229 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb15Moderate
Mar16Moderate
Apr14Moderate
May15Moderate
Jun16Moderate
Jul17Moderate
Aug16Moderate
Sep13Moderate
Oct9Good
Nov10Good
Dec11Good
Location & terrain

Where is Huntley?

Huntley sits at 42.2°N, 88.4°W, 889 ft above sea level, in United States. The nearest listed city is Lake in the Hills, 5.0 mi away.

Topography around Huntley

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

Within 2 miles, the terrain around Huntley has only modest variations in elevation — a maximum elevation change of 92 ft around an average of 883 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 367 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 787 ft.

The land around Huntley is covered by cropland (30%), grassland (25%) and artificial surfaces (23%) within 2 miles, cropland (38%), trees (27%) and grassland (22%) within 10 miles, and cropland (44%) and trees (21%) within 50 miles.

2 miles
92 ft
10 miles
367 ft
50 miles
787 ft
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Lake in the Hills 5.0 mi · Algonquin 6.8 mi · Crystal Lake 7.5 mi · Carpentersville 9.3 mi · Woodstock 9.9 mi · Cary 9.9 mi · Elgin 12 mi · South Elgin 14 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 Huntley (42.1681°, -88.4281°, elevation 889 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).