Coralville weather in March

In March, Coralville sees average daytime highs of 47°F and overnight lows near 29°F, with 2.7 in of precipitation across 9.2 wet days and about 11.7 hours of daylight. It is the 9th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 40°F in the first days to 53°F by the end. The sky is clear or mostly clear about 27% of the time in March, and the air most often feels dry.

Daylight stretches from about 10 h 54 min at the start of March to 12 h 24 min by month's end. Set against the rest of the year, March is Coralville's 7th-clearest and 2nd-windiest month. For the whole year in context, see Coralville's year-round climate.

Daytime high
47°
9th warmest
Overnight low
29°
4th coldest
Precipitation
2.7 in
9.2 wet days
Daylight
11 h 42 min
6:26 AM – 6:06 PM
Cloud cover
63%
7th clearest
Wind
10 mph
2nd windiest
Solar energy
4.19 kWh/m²
Travel score
1.6
out of 10

Coralville is city in Johnson County, Iowa, United States.

Density
661/km²
people per km²
Founded
1873

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

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 40°F in the first days to 53°F by the end.

A typical March day in Coralville reaches about 47°F in the afternoon and slips back to 29°F overnight — a 18°F spread between the day's warmth and the night's chill. On most days the high lands between 32°F and 64°F. Set against its neighbours, March runs about 14°F warmer than February and about 13°F cooler than April.

20°40°60°80°151015202531
Avg high (°F)Avg low (°F)
13922
23922
34023
44023
54124
64224
74224
84325
94326
104426
114527
124527
134628
144628
154729
164729
174830
184930
194931
204931
215032
225032
235133
245133
255233
265234
275334
285334
295335
305435
315435

How March really feels in Coralville

Once humidity and wind are folded in, March averages 0 days that feel above 90°F and 31 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
31
6 feel bitter (≤ 14°F)

The story in March is cold — wind chill drags the overnight "feels like" below the raw low.

Coralville weather by month

How March compares with the rest of the year at a glance. March is the 9th-warmest and 8th-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 March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 15% of March, with mostly cloudy or overcast conditions the remaining 58%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14159
24357
34357
44456
54456
64456
74654
84555
94555
104555
114555
124555
134555
144555
154456
164456
174357
184258
194258
204159
214060
224060
234060
244060
253961
263961
273961
284060
294060
304060
314159

Chance of precipitation in March

Any precipitationSnow

Coralville gets around 2.7 in of rain and snow over 9.2 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 29% and peaks near 34% on the wettest days, and about 3 days bring snow. The odds climb toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
12713
22713
32712
42712
52711
62611
72611
82610
92610
102710
112710
12279
13279
14289
15289
16289
17289
18299
19299
20309
21309
22318
23318
24328
25327
26337
27336
28336
29335
30345
31345

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the dry band about 98% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
8991
9991
10991
11991
12991
13991
14991
15982
16982
17982
18982
19982
20973
21973
22973
23973
24973
25973
26973
27973
28973
29973
30973
31973

Wind in March

Winds average 10 mph in March.

Across March, daily wind ranges from about 10 mph on the calmest days to 10 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
110light breeze
210light breeze
310light breeze
410light breeze
510light breeze
610light breeze
710light breeze
810light breeze
910light breeze
1010light breeze
1110light breeze
1210light breeze
1310light breeze
1410light breeze
1510light breeze
1610light breeze
1710light breeze
1810light breeze
1910light breeze
2010light breeze
2110light breeze
2210light breeze
2310light breeze
2410light breeze
2510light breeze
2610light breeze
2710light breeze
2810light breeze
2910light breeze
3010light breeze
3110light breeze

Sunrise & sunset in March

DaylightNight

Daylight runs from about 10 h 54 min at the start of March to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 90 minutes over March. Sunrise moves from 6:51 AM to 6:00 AM, and sunset from 5:48 PM to 6:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.96:515:48
211.06:505:49
311.06:485:50
411.16:465:52
511.16:455:53
611.26:435:54
711.26:425:55
811.36:405:56
911.36:385:57
1011.46:375:59
1111.46:356:00
1211.56:336:01
1311.56:326:02
1411.66:306:03
1511.66:286:04
1611.76:266:06
1711.76:256:07
1811.76:236:08
1911.86:216:09
2011.86:196:10
2111.96:186:11
2211.96:166:12
2312.06:146:13
2412.06:126:15
2512.16:116:16
2612.16:096:17
2712.26:076:18
2812.26:056:19
2912.36:046:20
3012.36:026:21
3112.46:006:22

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.19 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 — March's 4.19 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
13.7Moderate
23.7Moderate
33.8Moderate
43.8Moderate
53.9Moderate
63.9Moderate
73.9Moderate
84.0Moderate
94.0Bright
104.1Bright
114.1Bright
124.1Bright
134.2Bright
144.2Bright
154.2Bright
164.2Bright
174.3Bright
184.3Bright
194.3Bright
204.3Bright
214.3Bright
224.4Bright
234.4Bright
244.4Bright
254.4Bright
264.5Bright
274.5Bright
284.5Bright
294.5Bright
304.6Bright
314.6Bright
Planning a trip in March

Is March a good time to visit Coralville?

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

1.6
Sightseeing
9th-best month of the year
0.0
Beach & pool
9th-best month of the year

March is a weaker month for outdoor sightseeing in Coralville.

What to pack for Coralville in March

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

In March, Coralville sees daytime highs around 47°F and nights near 29°F. Pack a warm layer. Worth having: a heavy coat and rain gear. About 9 days see rain.

a warm layera heavy coatrain gear

UV index in Coralville in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Coralville 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 Coralville in March

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Coralville 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 Coralville?

Coralville sits at 41.7°N, 91.6°W, 682 ft above sea level, in United States. The nearest listed city is Iowa City, 3.1 mi away.

Topography around Coralville

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

Within 2 miles, the terrain around Coralville has only modest variations in elevation — a maximum elevation change of 302 ft around an average of 722 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 384 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 640 ft.

The land around Coralville is covered by trees (39%), artificial surfaces (28%) and grassland (27%) within 2 miles, cropland (51%) and trees (22%) within 10 miles, and cropland (73%) within 50 miles.

2 miles
302 ft
10 miles
384 ft
50 miles
640 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
March weather nearby: Iowa City 3.1 mi · North Liberty 5.0 mi · Cedar Rapids 23 mi · Marion 25 mi · Muscatine 33 mi · Davenport 53 mi · Rock Island 53 mi · Bettendorf 56 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 Coralville (41.6764°, -91.5804°, 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).