North Liberty weather in August

In August, North Liberty sees average daytime highs of 81°F and overnight lows near 63°F, with 3.8 in of rain across 9.1 wet days and about 13.7 hours of daylight. It is the 2nd-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 42% of the time in August, and the air most often feels muggy.

Daylight stretches from about 14 h 18 min at the start of August to 13 hours by month's end. Set against the rest of the year, August is North Liberty's 2nd-clearest and 12th-windiest month. For the whole year in context, see North Liberty's year-round climate.

Daytime high
81°
2nd warmest
Overnight low
63°
11th coldest
Rainfall
3.8 in
9.1 wet days
Daylight
13 h 42 min
5:20 AM – 7:01 PM
Cloud cover
50%
2nd clearest
Wind
7 mph
12th windiest
Solar energy
5.58 kWh/m²
Travel score
6.8
out of 10

North Liberty is city in Johnson County, Iowa, United States of America.

Density
785/km²
people per km²
Founded
1913

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

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 81°F through the month.

A typical August day in North Liberty reaches about 81°F in the afternoon and slips back to 63°F overnight — a 18°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, August runs about 2°F cooler than July and about 6°F warmer than September.

50°60°70°80°90°151015202531
Avg high (°F)Avg low (°F)
18265
28265
38264
48264
58264
68264
78264
88264
98164
108163
118163
128163
138163
148163
158163
168163
178163
188163
198163
208163
218163
228162
238162
248162
258162
268162
278062
288062
298061
308061
318061

How August really feels in North Liberty

Once humidity and wind are folded in, August 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

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

North Liberty weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan29° / 14°1.57.15.39.30.0
Feb33° / 18°1.86.44.210.30.0
Mar47° / 29°2.79.22.811.71.6
Apr60° / 41°4.411.80.813.14.5
May71° / 52°4.913.4014.36.0
Jun80° / 62°5.111.70156.3
Jul83° / 65°3.79.6014.76.1
Aug81° / 63°3.89.1013.76.8
Sep75° / 55°3.98.2012.37.2
Oct62° / 43°2.98.60.210.95.5
Nov47° / 31°2.37.71.59.61.7
Dec34° / 20°1.96.94.590.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 17% of August, with mostly cloudy or overcast conditions the remaining 41%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15941
25941
35941
45941
55941
65941
75941
85941
95842
105842
115842
125941
135941
145842
155842
165941
175941
185842
195842
205842
215941
225941
235941
245941
255941
266040
276040
286139
296139
306238
316238

Chance of precipitation in August

Any precipitation

North Liberty gets around 3.8 in of rain over 9.1 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 29% and peaks near 30% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
127
227
328
428
528
628
729
829
929
1030
1130
1230
1330
1430
1530
1630
1730
1830
1930
2030
2130
2230
2330
2429
2529
2628
2728
2827
2927
3026
3126

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the muggy band about 27% of days. Sticky, muggy-or-worse air turns up on roughly 41% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
16222725172
26222726172
37222826162
47222826162
57212926152
68212926151
78212926151
89212926141
99212926141
109212926141
1110212926131
1210212926131
1310212827131
1411212827131
1511212727121
1611212728121
1712212628121
1812212628121
1912222529121
2012222529121
2112222529120
2212232429120
2312232429120
2412232429120
2513242328120
2614242328110
2714242327110
2815242326110
2917252325100
3018252325100
312025232390

Wind in August

Winds average 7 mph in August, the calmest month.

Across August, daily wind ranges from about 7 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
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 h 18 min at the start of August to 13 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 78 minutes over August. Sunrise moves from 5:04 AM to 5:35 AM, and sunset from 7:21 PM to 6:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.35:047:21
214.25:057:20
314.25:067:19
414.25:077:17
514.15:087:16
614.15:097:15
714.15:107:14
814.05:117:12
914.05:127:11
1013.95:137:10
1113.95:147:08
1213.95:157:07
1313.85:167:06
1413.85:177:04
1513.75:197:03
1613.75:207:01
1713.75:217:00
1813.65:226:58
1913.65:236:57
2013.55:246:55
2113.55:256:54
2213.45:266:52
2313.45:276:51
2413.35:286:49
2513.35:296:47
2613.35:306:46
2713.25:316:44
2813.25:326:42
2913.15:336:41
3013.15:346:39
3113.05:356:37

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.58 kWh/m².

For context, solar energy here swings from a low near 1.74 kWh/m² to a high of 6.39 kWh/m² in July across the year — August's 5.58 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.1Intense
26.0Intense
36.0Intense
46.0Bright
55.9Bright
65.9Bright
75.9Bright
85.8Bright
95.8Bright
105.8Bright
115.7Bright
125.7Bright
135.7Bright
145.6Bright
155.6Bright
165.6Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.4Bright
225.4Bright
235.4Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.2Bright
295.2Bright
305.2Bright
315.2Bright
Planning a trip in August

Is August a good time to visit North Liberty?

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

6.8
Sightseeing
2nd-best month of the year
7.0
Beach & pool
2nd-best month of the year

August is a reasonable time to visit North Liberty for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for North Liberty in August

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

In August, North Liberty sees daytime highs around 81°F and nights near 63°F. Pack light clothes. Worth having: rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

UV index in North Liberty in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August 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 North Liberty 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
Jul9Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov3Moderate
Dec2Low

Air quality in North Liberty in August

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in North Liberty is worst in July — around 17 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (October, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateGoodJul 1916 µg/m³Oct 218 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb14Moderate
Mar14Moderate
Apr11Good
May13Moderate
Jun13Moderate
Jul17Moderate
Aug15Moderate
Sep12Good
Oct8Good
Nov8Good
Dec10Good
Location & terrain

Where is North Liberty?

North Liberty sits at 41.7°N, 91.6°W, 781 ft above sea level, in United States. The nearest listed city is Coralville, 5.0 mi away.

Topography around North Liberty

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

Within 2 miles, the terrain around North Liberty has only modest variations in elevation — a maximum elevation change of 190 ft around an average of 778 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 413 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 640 ft.

The land around North Liberty is covered by trees (29%), grassland (26%) and cropland (23%) within 2 miles, cropland (44%), trees (26%) and grassland (21%) within 10 miles, and cropland (73%) within 50 miles.

2 miles
190 ft
10 miles
413 ft
50 miles
640 ft
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Coralville 5.0 mi · Iowa City 6.8 mi · Cedar Rapids 18 mi · Marion 20 mi · Muscatine 37 mi · Davenport 55 mi · Rock Island 55 mi · Bettendorf 58 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 North Liberty (41.7492°, -91.5979°, 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).