Brookfield weather in July

In July, Brookfield sees average daytime highs of 82°F and overnight lows near 67°F, with 3.6 in of rain across 11.6 wet days and about 14.7 hours of daylight. It is the 1st-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 82°F through the month. The sky is clear or mostly clear about 35% of the time in July, and the air most often feels muggy.

Daylight stretches from about 15 hours at the start of July to 14 h 18 min by month's end. Set against the rest of the year, July is Brookfield's 3rd-clearest and 11th-windiest month. For the whole year in context, see Brookfield's year-round climate.

Daytime high
82°
1st warmest
Overnight low
67°
12th coldest
Rainfall
3.6 in
11.6 wet days
Daylight
14 h 48 min
4:34 AM – 7:20 PM
Cloud cover
54%
3rd clearest
Wind
8 mph
11th windiest
Solar energy
6.49 kWh/m²
Travel score
6.2
out of 10

Brookfield is village in Cook County, Illinois United States of America.

Founded
1893

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 82°F through the month.

A typical July day in Brookfield reaches about 82°F in the afternoon and slips back to 67°F overnight — a 14°F spread between the day's warmth and the night's chill. On most days the high lands between 74°F and 89°F. Set against its neighbours, July runs about 4°F warmer than June and about 2°F warmer than August.

60°70°80°90°151015202531
Avg high (°F)Avg low (°F)
18166
28166
38167
48167
58167
68167
78167
88267
98267
108267
118267
128268
138268
148268
158268
168268
178268
188268
198268
208268
218268
228268
238268
248268
258268
268268
278268
288267
298167
308167
318167

How July really feels in Brookfield

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.

Brookfield 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
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 July

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 20% of July, with mostly cloudy or overcast conditions the remaining 45%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15545
25644
35644
45644
55743
65644
75644
85743
95644
105644
115743
125644
135644
145446
155446
165347
175347
185347
195347
205347
215347
225347
235347
245347
255347
265347
275446
285446
295545
305545
315545

Chance of precipitation in July

Any precipitation

Brookfield gets around 3.6 in of rain over 11.6 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 38% and peaks near 39% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
138
238
338
438
538
638
738
838
938
1038
1138
1238
1338
1439
1539
1639
1739
1839
1939
2039
2138
2238
2338
2438
2538
2637
2737
2837
2936
3036
3135

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the muggy band about 29% of days. Sticky, muggy-or-worse air turns up on roughly 47% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
114222228130
214222228140
313222228140
413232228140
512232228140
612232328140
711222329140
811222329150
910222329151
1010212330151
119212430161
129202430161
138202430171
148192430171
158192430172
168182431182
178182430182
188182330182
198172330192
208172330192
218172330192
228172330192
238182330192
248182330182
258192430182
268192430182
278202429172
288202429171
298212529161
308222529161
318222528161

Wind in July

Winds average 8 mph in July.

Across July, 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
18light breeze
28light breeze
38light breeze
48light breeze
58light breeze
68light breeze
78light breeze
88light breeze
98light breeze
108light breeze
118light breeze
128light breeze
138light breeze
148light breeze
158light breeze
167light breeze
177light breeze
187light breeze
197light breeze
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 15 hours at the start of July to 14 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 42 minutes over July. Sunrise moves from 4:25 AM to 4:48 AM, and sunset from 7:25 PM to 7:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.04:257:25
215.04:257:25
315.04:267:25
415.04:267:25
515.04:277:24
614.94:277:24
714.94:287:24
814.94:287:24
914.94:297:23
1014.94:307:23
1114.94:307:22
1214.84:317:22
1314.84:327:21
1414.84:337:21
1514.84:337:20
1614.84:347:20
1714.74:357:19
1814.74:367:19
1914.74:377:18
2014.74:387:17
2114.64:387:16
2214.64:397:16
2314.64:407:15
2414.54:417:14
2514.54:427:13
2614.54:437:12
2714.54:447:11
2814.44:457:10
2914.44:467:09
3014.44:477:08
3114.34:487:07

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 6.49 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 — July's 6.49 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.7Intense
26.7Intense
36.7Intense
46.7Intense
56.7Intense
66.7Intense
76.6Intense
86.6Intense
96.6Intense
106.6Intense
116.6Intense
126.5Intense
136.5Intense
146.5Intense
156.5Intense
166.5Intense
176.5Intense
186.4Intense
196.4Intense
206.4Intense
216.4Intense
226.4Intense
236.3Intense
246.3Intense
256.3Intense
266.3Intense
276.3Intense
286.3Intense
296.2Intense
306.2Intense
316.2Intense
Planning a trip in July

Is July a good time to visit Brookfield?

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

6.2
Sightseeing
4th-best month of the year
6.5
Beach & pool
1st-best month of the year

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

What to pack for Brookfield in July

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

In July, Brookfield sees daytime highs around 82°F and nights near 67°F. Pack light clothes and sun protection. Worth having: rain gear. About 12 days see rain.

light clothessun protectionrain gear

Sea temperature near Brookfield in July

The nearest coast averages about 70°F in July — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 12 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 Brookfield in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Brookfield peaks around June 23 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 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 9Dec 22UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr6High
May7Very high
Jun9Very high
Jul9Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov2Moderate
Dec2Low

Air quality in Brookfield 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 Brookfield 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 Brookfield?

Brookfield sits at 41.8°N, 87.9°W, 623 ft above sea level, in United States. The nearest listed city is La Grange, 1.9 mi away.

Topography around Brookfield

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

Within 2 miles, the terrain around Brookfield has only modest variations in elevation — a maximum elevation change of 269 ft around an average of 633 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 427 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 751 ft.

The land around Brookfield is covered by artificial surfaces (51%) and trees (40%) within 2 miles, artificial surfaces (60%) and trees (29%) within 10 miles, and cropland (28%), water (27%) and trees (20%) within 50 miles.

2 miles
269 ft
10 miles
427 ft
50 miles
751 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
July weather nearby: La Grange 1.9 mi · Westchester 2.5 mi · Berwyn 3.7 mi · Maywood 3.7 mi · Bellwood 4.3 mi · Hinsdale 5.0 mi · Cicero 5.0 mi · Melrose Park 5.6 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 Brookfield (41.8239°, -87.8517°, elevation 623 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).