Bradley weather in May

In May, Bradley sees average daytime highs of 71°F and overnight lows near 52°F, with 4.5 in of rain across 12.7 wet days and about 14.3 hours of daylight. It is the 5th-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 66°F in the first days to 75°F by the end. The sky is clear or mostly clear about 26% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 42 min at the start of May to 14 h 42 min by month's end. Set against the rest of the year, May is Bradley's 6th-clearest and 8th-windiest month. For the whole year in context, see Bradley's year-round climate.

Daytime high
71°
5th warmest
Overnight low
52°
8th coldest
Rainfall
4.5 in
12.7 wet days
Daylight
14 h 18 min
4:39 AM – 6:57 PM
Cloud cover
64%
6th clearest
Wind
9 mph
8th windiest
Solar energy
5.82 kWh/m²
Travel score
6.1
out of 10

Bradley is village in Illinois, United States.

Founded
1891

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 66°F in the first days to 75°F by the end.

A typical May day in Bradley reaches about 71°F in the afternoon and slips back to 52°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 57°F and 84°F. Set against its neighbours, May runs about 10°F warmer than April and about 9°F cooler than June.

40°60°80°151015202531
Avg high (°F)Avg low (°F)
16547
26647
36647
46748
56748
66749
76849
86849
96850
106950
116950
126951
137051
147051
157051
167152
177152
187152
197253
207253
217253
227354
237354
247355
257455
267455
277456
287556
297556
307557
317657

How May really feels in Bradley

Once humidity and wind are folded in, May 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

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

Bradley weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan32° / 19°2.48.95.49.40.0
Feb37° / 22°2.07.24.310.40.0
Mar48° / 31°3.010.32.711.71.7
Apr60° / 41°4.312.10.713.14.6
May71° / 52°4.512.7014.36.1
Jun80° / 62°4.112.2014.96.2
Jul83° / 66°3.711.3014.75.7
Aug82° / 64°3.610.1013.66.5
Sep76° / 56°3.08.4012.37.1
Oct63° / 45°3.29.30.210.95.6
Nov49° / 34°2.88.71.29.72.1
Dec37° / 25°2.28.13.79.10.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 15% of May, with mostly cloudy or overcast conditions the remaining 59%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13862
23763
33763
43763
53763
63763
73763
83763
93763
103862
113961
123961
134060
144060
154159
164159
174159
184159
194258
204258
214357
224456
234456
244456
254357
264357
274357
284456
294456
304555
314555

Chance of precipitation in May

Any precipitation

Bradley gets around 4.5 in of rain over 12.7 wet days in May, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 41% and peaks near 42% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
142
242
342
442
542
642
742
841
941
1041
1141
1241
1341
1441
1541
1641
1741
1841
1941
2041
2141
2241
2341
2441
2541
2641
2742
2842
2942
3042
3142

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the dry band about 68% of days. Sticky, muggy-or-worse air turns up on roughly 6% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1879310
28610310
38511310
48312410
58212420
68013520
78013520
87814620
97714630
107515730
117515730
127216840
137216840
147117840
156917950
166917950
176817960
1866181060
1965181070
2064181170
2163181180
2262181280
2359191291
2458191391
25571913101
26561914101
27542014111
28532015111
29522015121
30512016121
31502116131

Wind in May

Winds average 9 mph in May.

Across May, daily wind ranges from about 8 mph on the calmest days to 9 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
19light breeze
29light breeze
39light breeze
49light breeze
59light breeze
69light breeze
79light breeze
89light breeze
99light breeze
109light breeze
119light breeze
129light breeze
139light breeze
149light breeze
159light breeze
169light breeze
179light breeze
189light breeze
199light breeze
209light breeze
219light breeze
229light breeze
239light breeze
248light breeze
258light breeze
268light breeze
278light breeze
288light breeze
298light breeze
308light breeze
318light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 42 min at the start of May to 14 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 60 minutes over May. Sunrise moves from 4:56 AM to 4:27 AM, and sunset from 6:41 PM to 7:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.74:566:41
213.84:556:42
313.84:546:43
413.94:526:44
513.94:516:45
613.94:506:46
714.04:496:47
814.04:476:48
914.14:466:49
1014.14:456:50
1114.14:446:51
1214.24:436:53
1314.24:426:54
1414.24:416:55
1514.34:406:56
1614.34:396:57
1714.34:386:58
1814.44:376:59
1914.44:367:00
2014.44:357:01
2114.54:347:01
2214.54:337:02
2314.54:337:03
2414.54:327:04
2514.64:317:05
2614.64:307:06
2714.64:307:07
2814.64:297:08
2914.74:297:09
3014.74:287:09
3114.74:277:10

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.82 kWh/m².

For context, solar energy here swings from a low near 1.68 kWh/m² to a high of 6.41 kWh/m² in June across the year — May's 5.82 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.5Bright
45.5Bright
55.5Bright
65.5Bright
75.6Bright
85.6Bright
95.6Bright
105.7Bright
115.7Bright
125.7Bright
135.7Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.9Bright
195.9Bright
205.9Bright
216.0Bright
226.0Bright
236.0Bright
246.0Intense
256.0Intense
266.0Intense
276.1Intense
286.1Intense
296.1Intense
306.1Intense
316.1Intense
Planning a trip in May

Is May a good time to visit Bradley?

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

6.1
Sightseeing
4th-best month of the year
3.9
Beach & pool
5th-best month of the year

May is a reasonable time to visit Bradley for sightseeing.

What to pack for Bradley in May

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

In May, Bradley sees daytime highs around 71°F and nights near 52°F. Worth packing: rain gear and sun protection. About 13 days see rain.

rain gearsun protection

Sea temperature near Bradley in May

The nearest coast averages about 46°F in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 42 mi away) is warmest in August at about 73°F and coldest in February near 35°F.

It's comfortable for a long swim from Jul 10 to Sep 16 — about 2.3 months when the water holds above 68°F.

30°40°50°60°70°80°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°F)Comfort
Jan38Bracing
Feb35Bracing
Mar35Bracing
Apr39Bracing
May46Bracing
Jun59Cool
Jul70Refreshing
Aug73Refreshing
Sep68Refreshing
Oct58Bracing
Nov49Bracing
Dec42Bracing

UV index in Bradley in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Bradley peaks around June 21 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateLowJun 21UV 9Dec 21UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May7Very high
Jun9Very high
Jul9Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov2Moderate
Dec2Low

Air quality in Bradley in May

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Bradley is worst in July — around 18 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (October, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1418 µg/m³Oct 238 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb14Moderate
Mar15Moderate
Apr15Moderate
May17Moderate
Jun17Moderate
Jul18Moderate
Aug16Moderate
Sep12Moderate
Oct8Good
Nov9Good
Dec10Good
Location & terrain

Where is Bradley?

Bradley sits at 41.1°N, 87.9°W, 636 ft above sea level, in United States. The nearest listed city is Kankakee, 1.2 mi away.

Topography around Bradley

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

Within 2 miles, the terrain around Bradley has only modest variations in elevation — a maximum elevation change of 171 ft around an average of 646 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 272 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 597 ft.

The land around Bradley is covered by artificial surfaces (43%) and trees (23%) within 2 miles, cropland (75%) within 10 miles, and cropland (69%) within 50 miles.

2 miles
171 ft
10 miles
272 ft
50 miles
597 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Kankakee 1.2 mi · Bourbonnais 1.9 mi · Frankfort 24 mi · Park Forest 26 mi · New Lenox 26 mi · Matteson 26 mi · Mokena 27 mi · Chicago Heights 28 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 Bradley (41.142°, -87.8611°, elevation 636 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).