Woodstock weather in July

In July, Woodstock sees average daytime highs of 81°F and overnight lows near 64°F, with 3.5 in of rain across 10.6 wet days and about 14.8 hours of daylight. It is the 1st-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 81°F through the month. The sky is clear or mostly clear about 31% of the time in July, and the air most often feels muggy.

Daylight stretches from about 15 h 06 min at the start of July to 14 h 24 min by month's end. Set against the rest of the year, July is Woodstock's 3rd-clearest and 11th-windiest month. For the whole year in context, see Woodstock's year-round climate.

Daytime high
81°
1st warmest
Overnight low
64°
12th coldest
Rainfall
3.5 in
10.6 wet days
Daylight
14 h 48 min
4:35 AM – 7:24 PM
Cloud cover
56%
3rd clearest
Wind
6 mph
11th windiest
Solar energy
6.18 kWh/m²
Travel score
6.4
out of 10

Woodstock is city in McHenry County, Illinois, United States.

Density
719/km²
people per km²
Founded
1852

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 81°F through the month.

A typical July day in Woodstock reaches about 81°F in the afternoon and slips back to 64°F overnight — a 17°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.

50°60°70°80°90°151015202531
Avg high (°F)Avg low (°F)
18163
28163
38163
48164
58164
68164
78164
88164
98164
108264
118264
128264
138264
148264
158264
168264
178265
188265
198265
208264
218264
228264
238264
248164
258164
268164
278164
288164
298164
308164
318164

How July really feels in Woodstock

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.

Woodstock 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
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 July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 22% of July, with mostly cloudy or overcast conditions the remaining 46%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15545
25545
35545
45545
55545
65446
75446
85446
95347
105347
115347
125347
135248
145248
155248
165248
175248
185248
195248
205248
215347
225347
235446
245545
255545
265545
275545
285644
295644
305644
315644

Chance of precipitation in July

Any precipitation

Woodstock gets around 3.5 in of rain over 10.6 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 35% and peaks near 36% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
135
234
334
434
533
633
733
833
933
1033
1133
1234
1334
1435
1535
1635
1735
1836
1936
2036
2136
2236
2336
2436
2536
2635
2735
2835
2934
3034
3133

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 27% of days. Sticky, muggy-or-worse air turns up on roughly 39% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
12121222880
22121222880
32121222880
42121232780
52020232790
62020242790
71920242790
81920252791
91819252891
1017192628101
1116192628101
1216182628111
1315182628111
1415182628121
1514182628121
1614182628131
1714182628141
1814182627141
1913192527151
2013192527151
2113192526151
2213202526151
2312212526151
2412222425151
2512222425151
2612232425141
2712242525141
2812242524131
2913252524131
3013252524121
3113252524121

Wind in July

Winds average 6 mph in July.

Across July, 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
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 15 h 06 min at the start of July to 14 h 24 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 4:49 AM, and sunset from 7:29 PM to 7:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.14:257:29
215.14:267:29
315.04:267:29
415.04:277:29
515.04:277:28
615.04:287:28
715.04:297:28
815.04:297:27
915.04:307:27
1014.94:317:27
1114.94:317:26
1214.94:327:26
1314.94:337:25
1414.94:347:25
1514.84:347:24
1614.84:357:24
1714.84:367:23
1814.84:377:22
1914.74:387:22
2014.74:397:21
2114.74:397:20
2214.74:407:19
2314.64:417:19
2414.64:427:18
2514.64:437:17
2614.54:447:16
2714.54:457:15
2814.54:467:14
2914.44:477:13
3014.44:487:12
3114.44:497:11

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 6.18 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 — July's 6.18 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.4Intense
26.4Intense
36.4Intense
46.4Intense
56.4Intense
66.3Intense
76.3Intense
86.3Intense
96.3Intense
106.3Intense
116.3Intense
126.2Intense
136.2Intense
146.2Intense
156.2Intense
166.2Intense
176.1Intense
186.1Intense
196.1Intense
206.1Intense
216.1Intense
226.0Intense
236.0Intense
246.0Intense
256.0Intense
266.0Bright
276.0Bright
286.0Bright
295.9Bright
305.9Bright
315.9Bright
Planning a trip in July

Is July a good time to visit Woodstock?

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

6.4
Sightseeing
3rd-best month of the year
6.6
Beach & pool
1st-best month of the year

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

What to pack for Woodstock in July

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

In July, Woodstock sees daytime highs around 81°F and nights near 64°F. Pack light clothes and sun protection. Worth having: rain gear. About 11 days see rain.

light clothessun protectionrain gear

Sea temperature near Woodstock in July

The nearest coast averages about 68°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 30 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 Woodstock in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Woodstock 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 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 21UV 9Dec 21UV 1
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar4Moderate
Apr6High
May8Very high
Jun9Very high
Jul8Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low

Air quality in Woodstock 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 Woodstock 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 Woodstock?

Woodstock sits at 42.3°N, 88.4°W, 945 ft above sea level, in United States. The nearest listed city is Crystal Lake, 8.7 mi away.

Topography around Woodstock

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

Within 2 miles, the terrain around Woodstock has only modest variations in elevation — a maximum elevation change of 184 ft around an average of 928 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 387 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 827 ft.

The land around Woodstock is covered by trees (40%) and grassland (24%) within 2 miles, cropland (43%), trees (29%) and grassland (21%) within 10 miles, and cropland (42%) and trees (23%) within 50 miles.

2 miles
184 ft
10 miles
387 ft
50 miles
827 ft
treesgrasslandcroplandartificial surfaceswater
July weather nearby: Crystal Lake 8.7 mi · McHenry 9.3 mi · Huntley 9.9 mi · Lake in the Hills 11 mi · Cary 13 mi · Algonquin 13 mi · Carpentersville 17 mi · Round Lake 19 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 Woodstock (42.3147°, -88.4487°, elevation 945 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).