Belvidere weather in July

In July, Belvidere sees average daytime highs of 82°F and overnight lows near 64°F, with 3.4 in of rain across 10.2 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 82°F through the month. The sky is clear or mostly clear about 33% 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 Belvidere's 3rd-clearest and 11th-windiest month. For the whole year in context, see Belvidere's year-round climate.

Daytime high
82°
1st warmest
Overnight low
64°
12th coldest
Rainfall
3.4 in
10.2 wet days
Daylight
14 h 48 min
4:37 AM – 7:25 PM
Cloud cover
55%
3rd clearest
Wind
7 mph
11th windiest
Solar energy
6.2 kWh/m²
Travel score
6.4
out of 10

Belvidere is city in Illinois, United States.

Density
788/km²
people per km²
Founded
1835

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 Belvidere reaches about 82°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 3°F warmer than June and about 2°F warmer than August.

50°60°70°80°90°151015202531
Avg high (°F)Avg low (°F)
18163
28164
38164
48164
58164
68164
78264
88264
98264
108264
118264
128264
138264
148265
158265
168265
178265
188265
198265
208265
218265
228265
238264
248264
258264
268264
278264
288164
298164
308164
318164

How July really feels in Belvidere

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.

Belvidere 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°1.97.75.89.30.0
Feb33° / 19°1.87.25.110.30.0
Mar45° / 29°2.59.43.311.61.2
Apr58° / 39°4.212113.13.9
May69° / 50°4.412.5014.45.9
Jun78° / 60°3.911.70156.4
Jul82° / 64°3.410.2014.86.4
Aug80° / 62°3.49.7013.76.7
Sep73° / 54°3.28.6012.37.0
Oct60° / 42°3.08.80.110.85.0
Nov46° / 31°2.47.91.89.61.3
Dec34° / 21°2.17.84.890.0

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 21% of July, with mostly cloudy or overcast conditions the remaining 46%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15743
25644
35644
45644
55545
65545
75446
85545
95446
105446
115347
125248
135248
145248
155248
165149
175149
185248
195248
205248
215248
225347
235347
245446
255446
265446
275545
285545
295545
305545
315644

Chance of precipitation in July

Any precipitation

Belvidere gets around 3.4 in of rain over 10.2 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 33% and peaks near 35% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
134
234
333
433
532
632
732
832
932
1032
1132
1232
1332
1433
1533
1633
1733
1833
1934
2034
2134
2234
2335
2435
2535
2635
2734
2834
2934
3034
3134

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 26% 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 (%)
12121222790
22121232790
32121232790
42020232790
520202426100
620202426100
719202526100
818202526101
917202627101
1017192627111
1116192627111
1215192627111
1315192627121
1414192627121
1514182627131
1614182627131
1714182627141
1813182627141
1913192527151
2013192527151
2113192527151
2213202526151
2312212426151
2412212426151
2512222426151
2612232425141
2712242425141
2813242425131
2913242425131
3013252424121
3114252524121

Wind in July

Winds average 7 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
137calm
147calm
157calm
167calm
177calm
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 4:27 AM to 4:51 AM, and sunset from 7:30 PM to 7:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.14:277:30
215.04:287:30
315.04:287:30
415.04:297:30
515.04:297:30
615.04:307:29
715.04:307:29
815.04:317:29
914.94:327:29
1014.94:327:28
1114.94:337:28
1214.94:347:27
1314.94:357:27
1414.84:357:26
1514.84:367:26
1614.84:377:25
1714.84:387:24
1814.84:397:24
1914.74:397:23
2014.74:407:22
2114.74:417:22
2214.64:427:21
2314.64:437:20
2414.64:447:19
2514.64:457:18
2614.54:467:17
2714.54:477:16
2814.54:487:15
2914.44:497:14
3014.44:507:13
3114.44:517:12

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 6.2 kWh/m².

For context, solar energy here swings from a low near 1.65 kWh/m² to a high of 6.29 kWh/m² in June across the year — July's 6.2 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
66.4Intense
76.3Intense
86.3Intense
96.3Intense
106.3Intense
116.3Intense
126.3Intense
136.2Intense
146.2Intense
156.2Intense
166.2Intense
176.2Intense
186.1Intense
196.1Intense
206.1Intense
216.1Intense
226.1Intense
236.0Intense
246.0Intense
256.0Intense
266.0Intense
276.0Bright
286.0Bright
296.0Bright
305.9Bright
315.9Bright
Planning a trip in July

Is July a good time to visit Belvidere?

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
6.7
Beach & pool
1st-best month of the year

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

What to pack for Belvidere in July

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

In July, Belvidere sees daytime highs around 82°F and nights near 64°F. Pack light clothes and sun protection. Worth having: rain gear. About 10 days see rain.

light clothessun protectionrain gear

UV index in Belvidere 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 Belvidere peaks around June 19 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 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 19UV 9Dec 20UV 1
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar4Moderate
Apr6High
May8Very high
Jun9Very high
Jul8Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low

Air quality in Belvidere 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 Belvidere 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 Belvidere?

Belvidere sits at 42.3°N, 88.8°W, 781 ft above sea level, in United States. The nearest listed city is Machesney Park, 11 mi away.

Topography around Belvidere

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

Within 2 miles, the terrain around Belvidere has only modest variations in elevation — a maximum elevation change of 131 ft around an average of 784 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 325 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 679 ft.

The land around Belvidere is covered by cropland (27%), artificial surfaces (25%) and grassland (24%) within 2 miles, cropland (62%) within 10 miles, and cropland (60%) and trees (20%) within 50 miles.

2 miles
131 ft
10 miles
325 ft
50 miles
679 ft
treesgrasslandcroplandartificial surfaceswater
July weather nearby: Machesney Park 11 mi · Loves Park 12 mi · Rockford 13 mi · Beloit 19 mi · Woodstock 21 mi · Sycamore 21 mi · Huntley 22 mi · DeKalb 24 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 Belvidere (42.2639°, -88.8443°, elevation 781 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. 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).