New London weather in July

In July, New London sees average daytime highs of 74°F and overnight lows near 68°F, with 3.0 in of rain across 8.7 wet days and about 14.7 hours of daylight. It is the 1st-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 74°F through the month. The sky is clear or mostly clear about 36% of the time in July, and the air most often feels muggy.

Daylight stretches from about 15 hours at the start of July to 14 h 18 min by month's end. Set against the rest of the year, July is New London's 4th-clearest and 11th-windiest month. For the whole year in context, see New London's year-round climate.

Daytime high
74°
1st warmest
Overnight low
68°
12th coldest
Rainfall
3.0 in
8.7 wet days
Daylight
14 h 42 min
4:33 AM – 7:15 PM
Cloud cover
54%
4th clearest
Wind
10 mph
11th windiest
Solar energy
6.35 kWh/m²
Travel score
7.2
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 July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 74°F through the month.

A typical July day in New London reaches about 74°F in the afternoon and slips back to 68°F overnight — a 6°F spread between the day's warmth and the night's chill. On most days the high lands between 70°F and 79°F. Set against its neighbours, July runs about 7°F warmer than June and on par with August.

60°70°80°151015202531
Avg high (°F)Avg low (°F)
17265
27266
37366
47366
57366
67367
77367
87467
97467
107467
117467
127468
137468
147468
157468
167568
177568
187568
197568
207568
217569
227569
237569
247569
257569
267569
277569
287569
297569
307569
317569

How July really feels in New London

Once humidity and wind are folded in, July 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

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

New London weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 12th-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 July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 19% of July, with mostly cloudy or overcast conditions the remaining 45%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15347
25347
35347
45545
55545
65644
75644
85644
95743
105743
115842
125743
135842
145842
155743
165743
175644
185545
195545
205545
215446
225446
235347
245347
255347
265446
275347
285347
295446
305446
315644

Chance of precipitation in July

Any precipitation

New London gets around 3.0 in of rain over 8.7 wet days in July, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 28% and peaks near 30% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
129
228
328
428
527
627
727
827
926
1026
1126
1226
1327
1427
1527
1628
1728
1829
1929
2029
2130
2230
2330
2430
2530
2630
2730
2830
2930
3029
3129

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the muggy band about 41% of days. Sticky, muggy-or-worse air turns up on roughly 52% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
172037342
262037352
361937353
461837363
551837374
651737374
751736384
841636395
941635405
1041535406
1131534417
1231433428
1331432428
1431432439
15214314310
16214304411
17214294412
18214284412
19214274513
20213264514
21213254515
22213244515
23213244516
24213244517
25213234417
26213244418
27213244319
28213244219
29213244219
30213254120
31212254020

Wind in July

Winds average 10 mph in July.

Across July, 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 July

DaylightNight

Daylight runs from about 15 hours at the start of July to 14 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 42 minutes over July. Sunrise moves from 4:23 AM to 4:46 AM, and sunset from 7:20 PM to 7:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.04:237:20
214.94:247:20
314.94:247:20
414.94:257:20
514.94:257:20
614.94:267:20
714.94:267:19
814.94:277:19
914.94:287:19
1014.84:287:18
1114.84:297:18
1214.84:307:17
1314.84:307:17
1414.84:317:16
1514.74:327:16
1614.74:337:15
1714.74:337:15
1814.74:347:14
1914.64:357:13
2014.64:367:13
2114.64:377:12
2214.64:387:11
2314.54:397:10
2414.54:397:10
2514.54:407:09
2614.44:417:08
2714.44:427:07
2814.44:437:06
2914.34:447:05
3014.34:457:04
3114.34:467:03

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 6.35 kWh/m² — the sunniest month for solar.

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 — July's 6.35 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.6Intense
26.6Intense
36.6Intense
46.6Intense
56.6Intense
66.6Intense
76.6Intense
86.5Intense
96.5Intense
106.5Intense
116.5Intense
126.5Intense
136.5Intense
146.4Intense
156.4Intense
166.4Intense
176.3Intense
186.3Intense
196.3Intense
206.3Intense
216.2Intense
226.2Intense
236.2Intense
246.1Intense
256.1Intense
266.1Intense
276.1Intense
286.0Intense
296.0Intense
306.0Intense
316.0Bright
Planning a trip in July

Hazard calendar for New London

In seasonPeak

In July, New London sits inside its atlantic hurricane season. The full year is below, with each hazard's peak months called out.

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 July a good time to visit New London?

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

7.2
Sightseeing
1st-best month of the year
5.8
Beach & pool
2nd-best month of the year

July is one of the better times to visit New London for general sightseeing.

What to pack for New London in July

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

In July, New London sees daytime highs around 74°F and nights near 68°F. Pack sun protection. Worth having: light clothes and rain gear. About 9 days see rain.

sun protectionlight clothesrain gear

Sea temperature near New London in July

The nearest coast averages about 69°F in July — 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 July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 8 — 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 July

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where July 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
July 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).