Huntley weather in May

In May, Huntley sees average daytime highs of 68°F and overnight lows near 49°F, with 4.5 in of rain across 12.6 wet days and about 14.4 hours of daylight. It is the 5th-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 63°F in the first days to 73°F by the end. The sky is clear or mostly clear about 25% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 48 min at the start of May to 14 h 48 min by month's end. Set against the rest of the year, May is Huntley's 6th-clearest and 8th-windiest month. For the whole year in context, see Huntley's year-round climate.

Daytime high
68°
5th warmest
Overnight low
49°
8th coldest
Rainfall
4.5 in
12.6 wet days
Daylight
14 h 24 min
4:38 AM – 7:01 PM
Cloud cover
64%
6th clearest
Wind
8 mph
8th windiest
Solar energy
5.7 kWh/m²
Travel score
5.8
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 May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 63°F in the first days to 73°F by the end.

A typical May day in Huntley reaches about 68°F in the afternoon and slips back to 49°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 55°F and 81°F. Set against its neighbours, May runs about 11°F warmer than April and about 10°F cooler than June.

40°60°80°151015202531
Avg high (°F)Avg low (°F)
16344
26345
36445
46446
56446
66546
76547
86547
96647
106647
116748
126748
136748
146749
156849
166849
176950
186950
196950
206951
217051
227051
237152
247152
257153
267253
277253
287254
297354
307354
317355

How May really feels in Huntley

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.

Huntley 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
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 May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% 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 60%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13565
23466
33466
43565
53565
63565
73664
83664
93763
103862
113862
123961
133961
144060
154159
164159
174159
184258
194258
204258
214258
224357
234357
244357
254357
264456
274357
284258
294357
304357
314357

Chance of precipitation in May

Any precipitation

Huntley gets around 4.5 in of rain over 12.6 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 (%)
141
242
342
442
542
642
742
842
941
1041
1141
1241
1340
1440
1540
1640
1740
1840
1940
2040
2140
2240
2340
2440
2540
2641
2741
2841
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 77% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
192710
291720
389821
489821
588831
687931
786941
886941
9841051
10841051
11821062
12821062
13811162
14801172
15791173
16781183
17771283
18761284
19751294
20741295
217213105
227113106
236914116
246814117
256714127
266615127
276415138
286316138
296216148
306017149
316017149

Wind in May

Winds average 8 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
58light breeze
68light breeze
78light breeze
88light breeze
98light breeze
108light breeze
118light breeze
128light breeze
138light breeze
148light breeze
158light breeze
168light breeze
178light breeze
188light breeze
198light breeze
208light breeze
218light breeze
228light breeze
238light 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 48 min at the start of May to 14 h 48 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 4:57 AM to 4:27 AM, and sunset from 6:45 PM to 7:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.84:576:45
213.84:556:46
313.94:546:47
413.94:536:48
514.04:516:50
614.04:506:51
714.14:496:52
814.14:476:53
914.14:466:54
1014.24:456:55
1114.24:446:56
1214.24:436:57
1314.34:426:58
1414.34:416:59
1514.34:397:00
1614.44:387:01
1714.44:377:03
1814.54:367:04
1914.54:367:05
2014.54:357:06
2114.54:347:07
2214.64:337:08
2314.64:327:08
2414.64:317:09
2514.74:307:10
2614.74:307:11
2714.74:297:12
2814.74:287:13
2914.84:287:14
3014.84:277:15
3114.84:277:16

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.7 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 — May's 5.7 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.4Bright
55.4Bright
65.4Bright
75.4Bright
85.5Bright
95.5Bright
105.5Bright
115.6Bright
125.6Bright
135.6Bright
145.7Bright
155.7Bright
165.7Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.9Bright
225.9Bright
235.9Bright
245.9Bright
255.9Bright
266.0Bright
276.0Bright
286.0Bright
296.0Bright
306.0Intense
316.0Intense
Planning a trip in May

Is May a good time to visit Huntley?

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

5.8
Sightseeing
5th-best month of the year
3.1
Beach & pool
5th-best month of the year

May is a reasonable time to visit Huntley for sightseeing.

What to pack for Huntley in May

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

In May, Huntley sees daytime highs around 68°F and nights near 49°F. Worth packing: rain gear and sun protection. About 13 days see rain.

rain gearsun protection

Sea temperature near Huntley in May

The nearest coast averages about 43°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 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 May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 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 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
May 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).