Dixon weather in July

In July, Dixon sees average daytime highs of 82°F and overnight lows near 65°F, with 3.7 in of rain across 10.2 wet days and about 14.7 hours of daylight. It is the 1st-warmest and 4th-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 36% 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 Dixon's 3rd-clearest and 11th-windiest month. For the whole year in context, see Dixon's year-round climate.

Daytime high
82°
1st warmest
Overnight low
65°
12th coldest
Rainfall
3.7 in
10.2 wet days
Daylight
14 h 48 min
4:41 AM – 7:26 PM
Cloud cover
53%
3rd clearest
Wind
7 mph
11th windiest
Solar energy
6.29 kWh/m²
Travel score
6.2
out of 10

Dixon is city and county seat of Lee County, Illinois, United States.

Density
752/km²
people per km²
Founded
1828

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 Dixon reaches about 82°F in the afternoon and slips back to 65°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 75°F and 90°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)
18264
28264
38265
48265
58265
68265
78265
88265
98265
108365
118365
128365
138365
148365
158366
168366
178366
188366
198366
208366
218365
228365
238365
248265
258265
268265
278265
288265
298265
308265
318265

How July really feels in Dixon

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.

Dixon weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan30° / 16°2.07.75.39.30.0
Feb34° / 19°1.96.64.410.30.0
Mar47° / 30°2.79.42.511.71.6
Apr60° / 41°4.511.60.913.14.5
May71° / 51°4.813.2014.36.0
Jun80° / 61°4.411.90156.3
Jul82° / 65°3.710.2014.76.2
Aug81° / 63°3.39.3013.76.7
Sep75° / 55°3.48.6012.37.1
Oct62° / 43°3.08.70.210.95.4
Nov47° / 32°2.67.81.49.61.6
Dec35° / 22°2.27.54.190.0

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% 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 44%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15644
25644
35743
45743
55743
65743
75743
85743
95743
105743
115743
125644
135644
145545
155545
165545
175545
185446
195545
205545
215545
225545
235545
245644
255644
265545
275644
285644
295743
305743
315743

Chance of precipitation in July

Any precipitation

Dixon gets around 3.7 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 36% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
136
236
335
435
535
635
734
834
934
1034
1134
1234
1334
1434
1534
1634
1734
1834
1933
2033
2133
2233
2333
2433
2532
2632
2732
2831
2931
3031
3130

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 (%)
115192527130
215192627140
314182627140
414182627141
513182628141
613182628141
712172629141
812172729141
911172730151
1010162730151
1110162731151
129162731161
139162732161
148162632161
158162632172
168162631172
177162631182
187162531182
197172531182
207172530192
217172530192
227172530192
237182529192
247192529192
257192528192
267202528182
278202528182
288212527171
298222527171
309222527161
319222527161

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
187calm
197calm
207calm
217calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

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 4:31 AM to 4:54 AM, and sunset from 7:31 PM to 7:14 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.04:317:31
215.04:327:31
315.04:327:31
415.04:337:31
515.04:337:31
614.94:347:31
714.94:347:30
814.94:357:30
914.94:367:30
1014.94:367:29
1114.94:377:29
1214.84:387:28
1314.84:387:28
1414.84:397:27
1514.84:407:27
1614.84:417:26
1714.74:427:26
1814.74:427:25
1914.74:437:24
2014.74:447:24
2114.64:457:23
2214.64:467:22
2314.64:477:21
2414.54:487:20
2514.54:497:20
2614.54:507:19
2714.54:507:18
2814.44:517:17
2914.44:527:16
3014.44:537:15
3114.34:547:14

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 6.29 kWh/m².

For context, solar energy here swings from a low near 1.71 kWh/m² to a high of 6.34 kWh/m² in June across the year — July's 6.29 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.5Intense
26.5Intense
36.5Intense
46.5Intense
56.5Intense
66.5Intense
76.4Intense
86.4Intense
96.4Intense
106.4Intense
116.4Intense
126.4Intense
136.3Intense
146.3Intense
156.3Intense
166.3Intense
176.3Intense
186.2Intense
196.2Intense
206.2Intense
216.2Intense
226.2Intense
236.2Intense
246.2Intense
256.1Intense
266.1Intense
276.1Intense
286.1Intense
296.1Intense
306.1Intense
316.0Intense
Planning a trip in July

Is July a good time to visit Dixon?

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
6.9
Beach & pool
1st-best month of the year

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

What to pack for Dixon in July

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

In July, Dixon sees daytime highs around 82°F and nights near 65°F. Pack light clothes and sun protection. Worth having: rain gear. About 10 days see rain.

light clothessun protectionrain gear

UV index in Dixon 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 Dixon 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 2 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateLowJun 19UV 9Dec 20UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr6High
May8Very high
Jun9Very high
Jul8Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov2Moderate
Dec2Low

Air quality in Dixon 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 Dixon is worst in July — around 16 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (October, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateModerateGoodJul 1915 µg/m³Oct 238 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb13Moderate
Mar13Moderate
Apr12Good
May13Moderate
Jun14Moderate
Jul16Moderate
Aug14Moderate
Sep11Good
Oct8Good
Nov8Good
Dec9Good
Location & terrain

Where is Dixon?

Dixon sits at 41.8°N, 89.5°W, 682 ft above sea level, in United States. The nearest listed city is Sterling, 12 mi away.

Topography around Dixon

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

Within 2 miles, the terrain around Dixon has only modest variations in elevation — a maximum elevation change of 203 ft around an average of 735 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 299 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 886 ft.

The land around Dixon is covered by trees (30%), cropland (24%) and grassland (22%) within 2 miles, cropland (74%) within 10 miles, and cropland (77%) within 50 miles.

2 miles
203 ft
10 miles
299 ft
50 miles
886 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
July weather nearby: Sterling 12 mi · Freeport 32 mi · Rockford 36 mi · Clinton 37 mi · DeKalb 38 mi · Loves Park 40 mi · Machesney Park 42 mi · Sycamore 42 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 Dixon (41.8389°, -89.4796°, elevation 682 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).