East Norwalk weather in April

In April, East Norwalk sees average daytime highs of 57°F and overnight lows near 44°F, with 3.6 in of precipitation across 10.5 wet days and about 13.1 hours of daylight. It is the 7th-warmest and 7th-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 28% 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 East Norwalk's 11th-clearest and 6th-windiest month. For the whole year in context, see East Norwalk's year-round climate.

Daytime high
57°
7th warmest
Overnight low
44°
6th coldest
Precipitation
3.6 in
10.5 wet days
Daylight
13 h 06 min
5:21 AM – 6:27 PM
Cloud cover
63%
11th clearest
Wind
8 mph
6th windiest
Solar energy
5.08 kWh/m²
Travel score
3.9
out of 10

East Norwalk is human settlement in Norwalk, Connecticut, United States of America.

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 East Norwalk reaches about 57°F in the afternoon and slips back to 44°F overnight — a 13°F spread between the day's warmth and the night's chill. On most days the high lands between 47°F and 67°F. Set against its neighbours, April runs about 11°F warmer than March and about 10°F cooler than May.

20°40°60°80°151015202530
Avg high (°F)Avg low (°F)
15139
25239
35240
45240
55340
65341
75441
85441
95542
105542
115542
125643
135643
145644
155744
165744
175845
185845
195845
205846
215946
225946
235946
246047
256047
266047
276148
286148
296148
306249

How April really feels in East Norwalk

Once humidity and wind are folded in, April 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

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

East Norwalk weather by month

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

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan37° / 26°3.394.69.40.0
Feb39° / 27°3.18.6410.40.0
Mar46° / 34°4.110.33.411.71.2
Apr57° / 44°3.610.50.413.13.9
May67° / 54°3.410.9014.35.9
Jun76° / 64°3.710.8014.96.6
Jul82° / 70°3.610.8014.76.3
Aug80° / 69°4.110.5013.66.5
Sep73° / 62°3.79012.37.0
Oct62° / 51°4.08.5010.95.6
Nov52° / 41°3.28.50.49.72.9
Dec43° / 33°4.19.82.79.10.5

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 15% of April, with mostly cloudy or overcast conditions the remaining 57%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14258
24258
34159
44159
54258
64258
74258
84258
94357
104357
114357
124357
134357
144357
154357
164357
174357
184357
194357
204357
214357
224357
234456
244357
254258
264258
274357
284357
294357
304357

Chance of precipitation in April

Any precipitationSnow

East Norwalk gets around 3.6 in of rain and snow over 10.5 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 35% and peaks near 36% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
1354
2364
3364
4364
5363
6363
7363
8363
9352
10352
11352
12352
13352
14351
15351
16351
17351
18351
19350
20350
21350
22350
23350
24350
25350
26360
27360
28360
29360
30360

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 97% 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
79910
89910
99910
109910
119820
129820
139820
149820
159820
169730
179730
189730
199730
209640
219640
229640
239640
249640
259541
269451
279451
289451
299361
309361

Wind in April

Winds average 8 mph in April.

Across April, daily wind ranges from about 7 mph on the calmest days to 8 mph at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (mph)Feels
18light breeze
28light breeze
38light breeze
48light breeze
58light breeze
68light breeze
78light breeze
88light breeze
98light breeze
108light breeze
118light breeze
128light breeze
138light breeze
148light breeze
158light breeze
168light breeze
178light breeze
188light breeze
198light breeze
208light breeze
218light breeze
228light breeze
238light breeze
248light breeze
258light breeze
268light breeze
278light breeze
288light breeze
297light breeze
307light 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 5:46 AM to 5:00 AM, and sunset from 6:11 PM to 6:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:466:11
212.55:446:12
312.55:436:13
412.55:416:14
512.65:396:15
612.65:376:16
712.75:366:17
812.75:346:18
912.85:326:19
1012.85:316:20
1112.95:296:21
1212.95:276:22
1313.05:266:23
1413.05:246:25
1513.15:226:26
1613.15:216:27
1713.15:196:28
1813.25:186:29
1913.25:166:30
2013.35:156:31
2113.35:136:32
2213.45:126:33
2313.45:106:34
2413.45:096:35
2513.55:076:36
2613.55:066:38
2713.65:046:39
2813.65:036:40
2913.75:016:41
3013.75:006:42

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.08 kWh/m².

For context, solar energy here swings from a low near 1.73 kWh/m² to a high of 6.1 kWh/m² in June across the year — April's 5.08 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.6Bright
44.6Bright
54.7Bright
64.7Bright
74.8Bright
84.8Bright
94.8Bright
104.9Bright
114.9Bright
125.0Bright
135.0Bright
145.0Bright
155.1Bright
165.1Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.3Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.4Bright
285.4Bright
295.4Bright
305.4Bright
Planning a trip in April

Hazard calendar for East Norwalk

In seasonPeak

None of East Norwalk's seasonal hazards are active in April. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

East Norwalk sits in the Atlantic hurricane belt; the season peaks August–October.

Atlantic hurricane
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is April a good time to visit East Norwalk?

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

3.9
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 East Norwalk.

What to pack for East Norwalk in April

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

In April, East Norwalk sees daytime highs around 57°F and nights near 44°F. Worth packing: a warm layer, rain gear and sun protection. About 11 days see rain.

a warm layerrain gearsun protection

Sea temperature near East Norwalk in April

The nearest coast averages about 44°F in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 74°F and coldest in February near 35°F.

It's comfortable for a long swim from Jun 30 to Sep 30 — about 3.1 months when the water holds above 68°F.

30°40°50°60°70°80°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan39Bracing
Feb35Bracing
Mar37Bracing
Apr44Bracing
May55Bracing
Jun65Cool
Jul72Refreshing
Aug74Refreshing
Sep71Refreshing
Oct64Cool
Nov55Bracing
Dec46Bracing

UV index in East 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 East Norwalk peaks around July 11 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 23 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 11UV 8Dec 23UV 1
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May7Very high
Jun8Very high
Jul8Very high
Aug6High
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low

Air quality in East 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 East Norwalk is worst in July — around 20 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (November, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateJul 1220 µg/m³Nov 1612 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb16Moderate
Mar17Moderate
Apr17Moderate
May18Moderate
Jun19Moderate
Jul20Moderate
Aug17Moderate
Sep16Moderate
Oct13Moderate
Nov11Good
Dec13Moderate
Location & terrain

Where is East Norwalk?

East Norwalk sits at 41.1°N, 73.4°W, 33 ft above sea level, in United States. The nearest listed city is Norwalk, 1.2 mi away.

Topography around East Norwalk

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

Within 2 miles, the terrain around East Norwalk has only modest variations in elevation — a maximum elevation change of 217 ft around an average of 46 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 692 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,913 ft.

The land around East Norwalk is covered by trees (36%), artificial surfaces (26%) and water (26%) within 2 miles, trees (49%) and water (42%) within 10 miles, and trees (54%) and water (31%) within 50 miles.

2 miles
217 ft
10 miles
692 ft
50 miles
1,913 ft
treesgrasslandartificial surfaceswaterwetland
April weather nearby: Norwalk 1.2 mi · Westport 3.1 mi · Darien 4.3 mi · New Canaan 5.6 mi · Wilton 6.8 mi · Fairfield 7.5 mi · North Stamford 8.1 mi · Stamford 8.1 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 East Norwalk (41.1056°, -73.3984°, elevation 33 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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).