Norwalk weather in April

In April, Norwalk sees average daytime highs of 57°F and overnight lows near 42°F, with 4.3 in of precipitation across 13.1 wet days and about 13.1 hours of daylight. It is the 7th-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 52°F in the first days to 61°F by the end. The sky is clear or mostly clear about 22% 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 42 min by month's end. Set against the rest of the year, April is Norwalk's 7th-clearest and 5th-windiest month. For the whole year in context, see Norwalk's year-round climate.

Daytime high
57°
7th warmest
Overnight low
42°
6th coldest
Precipitation
4.3 in
13.1 wet days
Daylight
13 h 06 min
5:58 AM – 7:04 PM
Cloud cover
67%
7th clearest
Wind
10 mph
5th windiest
Solar energy
5.03 kWh/m²
Travel score
3.6
out of 10

Norwalk is city in and the county seat of Huron County, Ohio, United States.

Density
710/km²
people per km²
Founded
1817

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 52°F in the first days to 61°F by the end.

A typical April day in Norwalk reaches about 57°F in the afternoon and slips back to 42°F overnight — a 15°F spread between the day's warmth and the night's chill. On most days the high lands between 44°F and 71°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)
15136
25137
35237
45237
55338
65338
75439
85439
95539
105540
115540
125641
135641
145642
155742
165742
175843
185843
195843
205944
215944
225944
236045
246045
256045
266146
276146
286147
296247
306247

How April really feels in Norwalk

Once humidity and wind are folded in, April averages 0 days that feel above 90°F and 7 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
7
wind chill below the day's low

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

Norwalk weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan33° / 22°3.311.77.39.40.0
Feb36° / 23°2.69.85.810.30.0
Mar44° / 30°3.511.34.311.70.8
Apr57° / 42°4.313.11.213.13.6
May68° / 53°4.213.4014.35.7
Jun77° / 63°4.212.9014.96.3
Jul81° / 67°3.612014.76.3
Aug79° / 65°3.511.2013.76.6
Sep73° / 58°3.19.7012.36.9
Oct61° / 47°3.210.90.110.95.0
Nov49° / 37°3.410.81.99.71.8
Dec38° / 28°3.411.15.39.10.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 14% of April, with mostly cloudy or overcast conditions the remaining 64%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13466
23565
33565
43466
53565
63664
73565
83664
93763
103664
113763
123763
133763
143664
153664
163664
173664
183664
193664
203763
213862
223763
233763
243763
253763
263763
273862
283961
293862
303862

Chance of precipitation in April

Any precipitationSnow

Norwalk gets around 4.3 in of rain and snow over 13.1 wet days in April, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 44% and peaks near 44% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
1418
2428
3428
4438
5437
6447
7447
8446
9446
10446
11445
12445
13444
14444
15443
16443
17443
18442
19442
20432
21432
22432
23441
24441
25441
26441
27441
28441
29441
30430

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 (%)
19910
29910
39910
49910
59910
69910
79820
89820
99820
109820
119820
129730
139730
149631
159631
169631
179631
189541
199541
209541
219541
229451
239451
249451
259361
269262
279172
289172
299082
308983

Wind in April

Winds average 10 mph in April.

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
1511light breeze
1611light breeze
1711light 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 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 78 minutes over April. Sunrise moves from 6:23 AM to 5:37 AM, and sunset from 6:47 PM to 7:19 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:236:47
212.56:216:49
312.56:196:50
412.66:186:51
512.66:166:52
612.66:146:53
712.76:126:54
812.76:116:55
912.86:096:56
1012.86:076:57
1112.96:066:58
1212.96:046:59
1313.06:027:01
1413.06:017:02
1513.15:597:03
1613.15:587:04
1713.15:567:05
1813.25:547:06
1913.25:537:07
2013.35:517:08
2113.35:507:09
2213.45:487:10
2313.45:477:11
2413.55:457:12
2513.55:447:14
2613.55:427:15
2713.65:417:16
2813.65:397:17
2913.75:387:18
3013.75:377:19

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.03 kWh/m².

For context, solar energy here swings from a low near 1.51 kWh/m² to a high of 6.42 kWh/m² in June across the year — April's 5.03 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.5Bright
24.6Bright
34.6Bright
44.7Bright
54.7Bright
64.7Bright
74.8Bright
84.8Bright
94.8Bright
104.8Bright
114.9Bright
124.9Bright
134.9Bright
145.0Bright
155.0Bright
165.0Bright
175.1Bright
185.1Bright
195.1Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.3Bright
255.3Bright
265.3Bright
275.4Bright
285.4Bright
295.4Bright
305.5Bright
Planning a trip in April

Is April a good time to visit Norwalk?

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

3.6
Sightseeing
7th-best month of the year
0.2
Beach & pool
7th-best month of the year

April is a weaker month for outdoor sightseeing in Norwalk.

What to pack for Norwalk in April

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

In April, Norwalk sees daytime highs around 57°F and nights near 42°F. Worth packing: a warm layer, rain gear and sun protection. About 13 days see rain.

a warm layerrain gearsun protection

Sea temperature near Norwalk in April

The nearest coast averages about 42°F in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 27 mi away) is warmest in August at about 75°F and coldest in February near 33°F.

It's comfortable for a long swim from Jun 21 to Sep 23 — about 3.1 months when the water holds above 68°F.

30°40°50°60°70°80°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan34Bracing
Feb33Bracing
Mar35Bracing
Apr42Bracing
May54Bracing
Jun67Cool
Jul75Refreshing
Aug75Warm
Sep71Refreshing
Oct60Cool
Nov48Bracing
Dec39Bracing

UV index in Norwalk 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 Norwalk peaks around June 19 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 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 22UV 1
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar5Moderate
Apr6High
May8Very high
Jun10Very high
Jul9Very high
Aug7Very high
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low

Air quality in Norwalk 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 Norwalk is worst in July — around 16 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (October, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1016 µg/m³Oct 248 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb11Good
Mar13Moderate
Apr13Moderate
May15Moderate
Jun16Moderate
Jul16Moderate
Aug14Moderate
Sep11Good
Oct8Good
Nov8Good
Dec8Good
Location & terrain

Where is Norwalk?

Norwalk sits at 41.2°N, 82.6°W, 719 ft above sea level, in United States. The nearest listed city is Sandusky, 15 mi away.

Topography around Norwalk

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

Within 2 miles, the terrain around Norwalk has only modest variations in elevation — a maximum elevation change of 253 ft around an average of 735 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 528 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,102 ft.

The land around Norwalk is covered by trees (44%) and grassland (21%) within 2 miles, cropland (63%) and trees (24%) within 10 miles, and cropland (40%), water (27%) and trees (21%) within 50 miles.

2 miles
253 ft
10 miles
528 ft
50 miles
1,102 ft
treesgrasslandcroplandartificial surfaceswater
April weather nearby: Sandusky 15 mi · Lorain 27 mi · Fremont 27 mi · Elyria 28 mi · Ashland 30 mi · Tiffin 30 mi · North Ridgeville 32 mi · Avon 34 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 Norwalk (41.2426°, -82.6157°, elevation 719 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).