Marion weather in April

In April, Marion sees average daytime highs of 60°F and overnight lows near 40°F, with 4.3 in of precipitation across 11.8 wet days and about 13.1 hours of daylight. It is the 7th-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 55°F in the first days to 64°F by the end. The sky is clear or mostly clear about 26% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 24 min at the start of April to 13 h 48 min by month's end. Set against the rest of the year, April is Marion's 10th-clearest and 1st-windiest month. For the whole year in context, see Marion's year-round climate.

Daytime high
60°
7th warmest
Overnight low
40°
6th coldest
Precipitation
4.3 in
11.8 wet days
Daylight
13 h 06 min
5:33 AM – 6:41 PM
Cloud cover
66%
10th clearest
Wind
10 mph
1st windiest
Solar energy
5 kWh/m²
Travel score
4.4
out of 10

Marion is city in Linn County, Iowa, United States.

Density
810/km²
people per km²
Founded
1839

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

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 55°F in the first days to 64°F by the end.

A typical April day in Marion reaches about 60°F in the afternoon and slips back to 40°F overnight — a 20°F spread between the day's warmth and the night's chill. On most days the high lands between 45°F and 74°F. Set against its neighbours, April runs about 13°F warmer than March and about 11°F cooler than May.

20°40°60°80°151015202530
Avg high (°F)Avg low (°F)
15435
25535
35535
45536
55636
65637
75637
85737
95738
105838
115838
125839
135939
145939
156040
166040
176040
186141
196141
206142
216242
226242
236243
246243
256343
266344
276344
286445
296445
306446

How April really feels in Marion

Once humidity and wind are folded in, April averages 0 days that feel above 90°F and 12 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
12
wind chill below the day's low

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

Marion weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan28° / 13°1.57.15.49.30.0
Feb33° / 17°1.76.44.410.30.0
Mar46° / 28°2.69311.71.4
Apr60° / 40°4.311.80.913.14.4
May70° / 51°4.912.8014.36.0
Jun79° / 62°5.1120156.3
Jul82° / 65°3.89.7014.76.4
Aug80° / 62°3.79.3013.76.8
Sep74° / 54°4.08.4012.37.1
Oct61° / 42°2.98.50.310.95.3
Nov47° / 30°2.37.51.69.61.5
Dec33° / 19°1.96.94.790.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 12% of April, with mostly cloudy or overcast conditions the remaining 62%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14060
24060
34060
44060
54060
64060
74060
83961
93763
103763
113763
123763
133664
143565
153565
163664
173664
183664
193565
203565
213664
223664
233664
243664
253664
263763
273862
283862
293961
303961

Chance of precipitation in April

Any precipitationSnow

Marion gets around 4.3 in of rain and snow over 11.8 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 40% and peaks near 42% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
1365
2365
3364
4374
5374
6374
7374
8384
9384
10384
11394
12394
13404
14403
15403
16403
17413
18413
19412
20412
21412
22412
23422
24421
25421
26421
27421
28411
29411
30411

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the dry band about 96% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
19820
29820
39820
49820
59820
69820
79820
89730
99730
109730
119730
129730
139730
149730
159730
169631
179631
189631
199631
209631
219631
229631
239631
249541
259541
269451
279451
289262
299172
309082

Wind in April

Winds average 10 mph in April, the windiest month of the year.

Across April, daily wind ranges from about 10 mph on the calmest days to 11 mph at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (mph)Feels
110light breeze
210light breeze
310light breeze
410light breeze
510light breeze
610light breeze
711light breeze
811light breeze
911light breeze
1011light breeze
1111light breeze
1211light breeze
1311light breeze
1411light 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

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 24 min at the start of April to 13 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 84 minutes over April. Sunrise moves from 5:58 AM to 5:11 AM, and sunset from 6:24 PM to 6:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:586:24
212.55:576:25
312.55:556:26
412.65:536:27
512.65:516:28
612.75:506:29
712.75:486:31
812.85:466:32
912.85:446:33
1012.95:436:34
1112.95:416:35
1212.95:396:36
1313.05:386:37
1413.05:366:38
1513.15:346:40
1613.15:336:41
1713.25:316:42
1813.25:296:43
1913.35:286:44
2013.35:266:45
2113.45:256:46
2213.45:236:47
2313.55:216:49
2413.55:206:50
2513.55:186:51
2613.65:176:52
2713.65:156:53
2813.75:146:54
2913.75:126:55
3013.85:116:56

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5 kWh/m².

For context, solar energy here swings from a low near 1.73 kWh/m² to a high of 6.39 kWh/m² in July across the year — April's 5 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.6Bright
24.7Bright
34.7Bright
44.7Bright
54.7Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.8Bright
114.9Bright
124.9Bright
134.9Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.1Bright
205.1Bright
215.1Bright
225.1Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.3Bright
305.3Bright
Planning a trip in April

Is April a good time to visit Marion?

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

4.4
Sightseeing
7th-best month of the year
0.6
Beach & pool
7th-best month of the year

April is a reasonable time to visit Marion for sightseeing.

What to pack for Marion in April

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

In April, Marion sees daytime highs around 60°F and nights near 40°F. Worth packing: a warm layer, rain gear and sun protection. About 12 days see rain.

a warm layerrain gearsun protection

UV index in Marion in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Marion peaks around June 18 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 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 18UV 9Dec 22UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr6High
May8Very high
Jun9Very high
Jul8Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov2Moderate
Dec2Low

Air quality in Marion in April

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Marion 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 Marion?

Marion sits at 42.0°N, 91.6°W, 850 ft above sea level, in United States. The nearest listed city is Cedar Rapids, 3.1 mi away.

Topography around Marion

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

Within 2 miles, the terrain around Marion has only modest variations in elevation — a maximum elevation change of 207 ft around an average of 833 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 515 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 738 ft.

The land around Marion is covered by artificial surfaces (41%), grassland (29%) and trees (26%) within 2 miles, cropland (48%) within 10 miles, and cropland (75%) within 50 miles.

2 miles
207 ft
10 miles
515 ft
50 miles
738 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: Cedar Rapids 3.1 mi · North Liberty 20 mi · Coralville 25 mi · Iowa City 26 mi · Waterloo 50 mi · Muscatine 51 mi · Cedar Falls 55 mi · Dubuque 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 Marion (42.0342°, -91.5977°, elevation 850 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).