New London weather in April

In April, New London sees average daytime highs of 50°F and overnight lows near 43°F, with 4.2 in of precipitation across 10.9 wet days and about 13.1 hours of daylight. It is the 8th-warmest and 4th-wettest month of the year here.

Highs climb over the month, from about 47°F in the first days to 53°F by the end. The sky is clear or mostly clear about 31% 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 New London's 9th-clearest and 7th-windiest month. For the whole year in context, see New London's year-round climate.

Daytime high
50°
8th warmest
Overnight low
43°
5th coldest
Precipitation
4.2 in
10.9 wet days
Daylight
13 h 06 min
5:15 AM – 6:22 PM
Cloud cover
61%
9th clearest
Wind
12 mph
7th windiest
Solar energy
5.25 kWh/m²
Travel score
2.3
out of 10

New London is city in Connecticut, United States.

Density
989/km²
people per km²
Founded
1646

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 47°F in the first days to 53°F by the end.

A typical April day in New London reaches about 50°F in the afternoon and slips back to 43°F overnight — a 8°F spread between the day's warmth and the night's chill. On most days the high lands between 45°F and 56°F. Set against its neighbours, April runs about 8°F warmer than March and about 8°F cooler than May.

30°40°50°60°151015202530
Avg high (°F)Avg low (°F)
14638
24739
34739
44739
54740
64840
74840
84840
94941
104941
114941
124942
135042
145042
155043
165143
175143
185143
195144
205144
215244
225245
235245
245345
255345
265346
275346
285346
295446
305447

How April really feels in New London

Once humidity and wind are folded in, April averages 0 days that feel above 90°F and 4 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
4
wind chill below the day's low

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

New London weather by month

How April compares with the rest of the year at a glance. April is the 8th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan38° / 29°4.010.44.59.40.0
Feb38° / 29°3.69.1410.30.0
Mar43° / 34°4.710.53.411.70.4
Apr50° / 43°4.210.90.413.12.3
May58° / 51°3.510.8014.34.3
Jun67° / 61°3.69.6014.96.3
Jul74° / 68°3.08.7014.77.2
Aug74° / 68°3.88.8013.77.2
Sep69° / 62°4.18.8012.36.8
Oct61° / 53°4.89.40.110.95.3
Nov52° / 44°4.29.30.39.72.8
Dec44° / 35°4.911.52.89.10.7

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% 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 55%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14357
24357
34357
44357
54357
64357
74456
84456
94456
104456
114456
124456
134456
144555
154555
164555
174555
184555
194555
204654
214654
224654
234654
244654
254654
264654
274654
284654
294654
304654

Chance of precipitation in April

Any precipitationSnow

New London gets around 4.2 in of rain and snow over 10.9 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 37% and peaks near 39% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
1384
2384
3394
4394
5394
6393
7393
8383
9383
10372
11372
12372
13362
14362
15361
16361
17361
18361
19360
20360
21350
22350
23350
24350
25350
26350
27350
28350
29350
30350

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 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
28991
29991
30991

Wind in April

Winds average 12 mph in April.

Across April, daily wind ranges from about 12 mph on the calmest days to 13 mph at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (mph)Feels
113breezy
213breezy
313breezy
413breezy
513breezy
613breezy
713breezy
812breezy
912breezy
1012breezy
1112breezy
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light 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 5:41 AM to 4:54 AM, and sunset from 6:05 PM to 6:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:416:05
212.55:396:07
312.55:376:08
412.65:356:09
512.65:346:10
612.65:326:11
712.75:306:12
812.75:296:13
912.85:276:14
1012.85:256:15
1112.95:246:16
1212.95:226:17
1313.05:206:19
1413.05:196:20
1513.15:176:21
1613.15:156:22
1713.25:146:23
1813.25:126:24
1913.25:116:25
2013.35:096:26
2113.35:086:27
2213.45:066:28
2313.45:046:30
2413.55:036:31
2513.55:016:32
2613.55:006:33
2713.64:596:34
2813.64:576:35
2913.74:566:36
3013.74:546:37

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.25 kWh/m².

For context, solar energy here swings from a low near 1.69 kWh/m² to a high of 6.35 kWh/m² in June across the year — April's 5.25 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.8Bright
54.8Bright
64.9Bright
74.9Bright
85.0Bright
95.0Bright
105.1Bright
115.1Bright
125.1Bright
135.2Bright
145.2Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.4Bright
205.4Bright
215.4Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.6Bright
305.6Bright
Planning a trip in April

Hazard calendar for New London

In seasonPeak

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

New London 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 New London?

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

2.3
Sightseeing
8th-best month of the year
0.0
Beach & pool
8th-best month of the year

April is a weaker month for outdoor sightseeing in New London.

What to pack for New London in April

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

In April, New London sees daytime highs around 50°F and nights near 43°F. Pack a warm layer. Worth having: rain gear and sun protection. About 11 days see rain.

a warm layerrain gearsun protection

Sea temperature near New London 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 at the nearest coast (about 16 mi away) is warmest in August at about 71°F and coldest in February near 39°F.

It's comfortable for a long swim from Jul 15 to Sep 15 — about 2.1 months when the water holds above 68°F.

40°50°60°70°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°F)Comfort
Jan42Bracing
Feb39Bracing
Mar39Bracing
Apr44Bracing
May52Bracing
Jun61Cool
Jul69Refreshing
Aug71Refreshing
Sep68Refreshing
Oct63Cool
Nov55Bracing
Dec48Bracing

UV index in New London 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 New London peaks around July 10 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. 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 highHighModerateLowJul 10UV 8Dec 22UV 1
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr6High
May8Very high
Jun8Very high
Jul8Very high
Aug6High
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low

Air quality in New London 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 New London is worst in July — around 15 µg/m³ PM2.5 (moderate), about 2.6× the cleanest month (November, 6 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1515 µg/m³Nov 206 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb10Good
Mar11Good
Apr12Good
May14Moderate
Jun14Moderate
Jul15Moderate
Aug13Moderate
Sep10Good
Oct7Good
Nov6Good
Dec6Good
Location & terrain

Where is New London?

New London sits at 41.4°N, 72.1°W, 56 ft above sea level, in United States. The nearest listed city is Waterford, 1.9 mi away.

Topography around New London

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

Within 2 miles, the terrain around New London has only modest variations in elevation — a maximum elevation change of 266 ft around an average of 82 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 656 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,325 ft.

The land around New London is covered by trees (41%) and artificial surfaces (29%) within 2 miles, trees (55%) and water (35%) within 10 miles, and trees (49%) and water (44%) within 50 miles.

2 miles
266 ft
10 miles
656 ft
50 miles
1,325 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: Waterford 1.9 mi · Ledyard 7.5 mi · Montville Center 8.7 mi · Norwich 12 mi · Westerly 14 mi · Windham 24 mi · Plainfield 24 mi · Willimantic 25 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 New London (41.3556°, -72.0995°, elevation 56 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).