Mount Greenwood weather in August

In August, Mount Greenwood sees average daytime highs of 80°F and overnight lows near 66°F, with 3.8 in of rain across 10.9 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 80°F through the month. The sky is clear or mostly clear about 38% of the time in August, and the air most often feels humid.

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 Mount Greenwood's 2nd-clearest and 12th-windiest month. For the whole year in context, see Mount Greenwood's year-round climate.

Daytime high
80°
2nd warmest
Overnight low
66°
11th coldest
Rainfall
3.8 in
10.9 wet days
Daylight
13 h 42 min
5:04 AM – 6:46 PM
Cloud cover
54%
2nd clearest
Wind
7 mph
12th windiest
Solar energy
5.66 kWh/m²
Travel score
6.6
out of 10

Mount Greenwood is community area in Chicago, Illinois, United States.

Density
2,657/km²
people per km²

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 80°F through the month.

A typical August day in Mount Greenwood reaches about 80°F in the afternoon and slips back to 66°F overnight — a 14°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)
18167
28167
38167
48167
58167
68167
78067
88067
98066
108066
118066
128066
138066
148066
158066
168066
178066
188066
198066
208066
218065
227965
237965
247965
257965
267965
277965
287965
297964
307864
317864

How August really feels in Mount Greenwood

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.

Mount Greenwood 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
Jan31° / 19°2.49.16.19.30.0
Feb34° / 22°2.17.54.810.30.0
Mar44° / 30°2.810.33.111.70.9
Apr56° / 41°4.512.4113.13.5
May67° / 52°4.312.4014.35.8
Jun77° / 63°4.012.10156.4
Jul82° / 67°3.611.6014.76.2
Aug80° / 66°3.810.9013.76.6
Sep73° / 58°3.08.8012.37.0
Oct61° / 47°3.39.50.110.95.1
Nov47° / 35°2.891.29.61.6
Dec36° / 26°2.48.74.290.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% 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 44%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15545
25644
35545
45545
55644
65644
75545
85545
95545
105545
115545
125644
135644
145644
155644
165644
175644
185644
195743
205644
215644
225545
235644
245644
255743
265743
275842
285941
295941
305941
316040

Chance of precipitation in August

Any precipitation

Mount Greenwood gets around 3.8 in of rain over 10.9 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 35% and peaks near 36% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
135
235
334
434
534
635
735
835
935
1035
1135
1236
1336
1436
1536
1636
1736
1836
1936
2036
2136
2235
2335
2434
2534
2633
2732
2832
2932
3031
3131

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the humid band about 27% of days. Sticky, muggy-or-worse air turns up on roughly 41% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
18232528161
28232528161
37242527161
47242527160
57242527160
68252526160
78252526160
88252526150
98252526151
109252525151
119242625151
129242625141
139242625141
1410242725141
1510232726141
1610232726131
1710222826131
1810222827131
1910212827131
2010212827131
2110212827131
2210212827131
2310212827131
2410212827131
2511222726131
2611222826131
2712232726120
2812232725120
2913242725120
3014242724110
3115252623100

Wind in August

Winds average 7 mph in August, the calmest month.

Across August, daily wind ranges from about 7 mph on the calmest days to 8 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247light breeze
257light breeze
268light breeze
278light breeze
288light breeze
298light breeze
308light breeze
318light breeze

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 4:49 AM to 5:20 AM, and sunset from 7:05 PM to 6:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.34:497:05
214.24:507:04
314.24:517:03
414.24:527:02
514.14:537:01
614.14:546:59
714.14:556:58
814.04:566:57
914.04:576:55
1013.94:586:54
1113.94:596:53
1213.95:006:51
1313.85:016:50
1413.85:026:49
1513.75:036:47
1613.75:046:46
1713.75:056:44
1813.65:066:43
1913.65:076:41
2013.55:086:40
2113.55:096:38
2213.45:106:37
2313.45:126:35
2413.35:136:33
2513.35:146:32
2613.35:156:30
2713.25:166:28
2813.25:176:27
2913.15:186:25
3013.15:196:23
3113.05:206:22

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.66 kWh/m².

For context, solar energy here swings from a low near 1.61 kWh/m² to a high of 6.55 kWh/m² in June across the year — August's 5.66 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.2Intense
26.1Intense
36.1Intense
46.1Intense
56.0Intense
66.0Bright
76.0Bright
85.9Bright
95.9Bright
105.8Bright
115.8Bright
125.8Bright
135.7Bright
145.7Bright
155.7Bright
165.6Bright
175.6Bright
185.6Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.4Bright
245.4Bright
255.4Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.2Bright
315.2Bright
Planning a trip in August

Is August a good time to visit Mount Greenwood?

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

6.6
Sightseeing
2nd-best month of the year
6.5
Beach & pool
2nd-best month of the year

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

What to pack for Mount Greenwood in August

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

In August, Mount Greenwood sees daytime highs around 80°F and nights near 66°F. Worth packing: light clothes, rain gear and sun protection. About 11 days see rain.

light clothesrain gearsun protection

Sea temperature near Mount Greenwood in August

The nearest coast averages about 73°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 13 mi away) is warmest in August at about 73°F and coldest in February near 36°F.

It's comfortable for a long swim from Jul 13 to Sep 15 — about 2.1 months when the water holds above 68°F.

30°40°50°60°70°80°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°F)Comfort
Jan38Bracing
Feb36Bracing
Mar36Bracing
Apr39Bracing
May45Bracing
Jun57Bracing
Jul70Refreshing
Aug73Refreshing
Sep68Refreshing
Oct58Bracing
Nov49Bracing
Dec42Bracing

UV index in Mount Greenwood 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 Mount Greenwood peaks around June 23 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 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 23UV 9Jan 1UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May7Very high
Jun9Very high
Jul9Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov2Moderate
Dec2Low

Air quality in Mount Greenwood 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 Mount Greenwood is worst in July — around 21 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (October, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodJul 921 µg/m³Oct 2410 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb15Moderate
Mar18Moderate
Apr19Moderate
May20Moderate
Jun21Moderate
Jul21Moderate
Aug18Moderate
Sep15Moderate
Oct10Good
Nov10Good
Dec11Good
Location & terrain

Where is Mount Greenwood?

Mount Greenwood sits at 41.7°N, 87.7°W, 620 ft above sea level, in United States. The nearest listed city is Evergreen Park, 1.9 mi away.

Topography around Mount Greenwood

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

Within 2 miles, the terrain around Mount Greenwood has only modest variations in elevation — a maximum elevation change of 112 ft around an average of 627 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 522 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 741 ft.

The land around Mount Greenwood is covered by artificial surfaces (65%) and trees (20%) within 2 miles, artificial surfaces (57%) and trees (26%) within 10 miles, and cropland (31%), water (26%) and trees (20%) within 50 miles.

2 miles
112 ft
10 miles
522 ft
50 miles
741 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Evergreen Park 1.9 mi · Morgan Park 2.5 mi · Alsip 2.5 mi · Oak Lawn 2.5 mi · Blue Island 3.1 mi · Ashburn 3.1 mi · Auburn Gresham 4.3 mi · Burbank 4.3 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 Mount Greenwood (41.6981°, -87.7087°, elevation 620 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).