Norwich weather in July

In July, Norwich sees average daytime highs of 82°F and overnight lows near 66°F, with 3.5 in of rain across 10.2 wet days and about 14.7 hours of daylight. It is the 1st-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 82°F through the month. The sky is clear or mostly clear about 28% 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 Norwich's 7th-clearest and 11th-windiest month. For the whole year in context, see Norwich's year-round climate.

Daytime high
82°
1st warmest
Overnight low
66°
12th coldest
Rainfall
3.5 in
10.2 wet days
Daylight
14 h 42 min
4:32 AM – 7:16 PM
Cloud cover
59%
7th clearest
Wind
6 mph
11th windiest
Solar energy
6.15 kWh/m²
Travel score
6.0
out of 10

Norwich is city in New London County, Connecticut, United States.

Density
524/km²
people per km²
Founded
1659

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 82°F through the month.

A typical July day in Norwich reaches about 82°F in the afternoon and slips back to 66°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 74°F and 91°F. Set against its neighbours, July runs about 6°F warmer than June and about 2°F warmer than August.

50°60°70°80°90°151015202531
Avg high (°F)Avg low (°F)
18164
28164
38165
48265
58265
68265
78265
88265
98265
108265
118366
128366
138366
148366
158366
168366
178366
188366
198366
208366
218367
228367
238367
248367
258367
268367
278367
288367
298367
308267
318266

How July really feels in Norwich

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.

Norwich weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan37° / 24°3.69.759.30.0
Feb39° / 25°3.28.84.610.30.0
Mar46° / 32°4.410.43.911.71.4
Apr58° / 41°3.910.90.813.14.1
May67° / 50°3.210.5014.36.0
Jun76° / 60°3.810.5014.96.6
Jul82° / 66°3.510.2014.76.0
Aug80° / 65°4.210.3013.76.5
Sep73° / 58°4.08.7012.37.0
Oct63° / 47°4.29.10.110.95.6
Nov52° / 37°3.78.70.79.72.8
Dec42° / 29°4.510.63.590.4

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 22% of July, with mostly cloudy or overcast conditions the remaining 50%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14951
24951
35050
45050
55050
65149
75149
85248
95248
105347
115248
125248
135347
145248
155248
165149
175149
185050
195050
204951
214852
224852
234951
244852
254852
264852
274951
285050
294951
304951
315050

Chance of precipitation in July

Any precipitation

Norwich gets around 3.5 in of rain over 10.2 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 34% and peaks near 36% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
132
232
332
431
531
631
731
831
931
1031
1131
1232
1332
1433
1533
1634
1734
1835
1935
2035
2136
2236
2336
2436
2536
2636
2736
2836
2936
3036
3136

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 30% of days. Sticky, muggy-or-worse air turns up on roughly 41% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1202227265
2192227266
3192227266
4182227267
5182227267
6172227268
7172227268
8172227268
9162227279
10152226279
11152126289
121421262910
131421263010
141321253010
151320253111
161320253111
171220253212
181220243212
191219243312
201119243312
211119243313
221119243313
231119243313
241119243313
251019253313
261019253214
271119253214
281119253214
291119253114
301119253114
311219253114

Wind in July

Winds average 6 mph in July.

Across July, daily wind ranges from about 6 mph on the calmest days to 7 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
17calm
27calm
37calm
47calm
57calm
67calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

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 4:22 AM to 4:46 AM, and sunset from 7:21 PM to 7:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.04:227:21
215.04:237:21
315.04:237:21
414.94:247:20
514.94:257:20
614.94:257:20
714.94:267:20
814.94:267:19
914.94:277:19
1014.94:287:19
1114.84:287:18
1214.84:297:18
1314.84:307:17
1414.84:307:17
1514.84:317:16
1614.74:327:16
1714.74:337:15
1814.74:347:15
1914.74:357:14
2014.64:357:13
2114.64:367:12
2214.64:377:12
2314.54:387:11
2414.54:397:10
2514.54:407:09
2614.54:417:08
2714.44:427:07
2814.44:437:06
2914.44:447:05
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 6.15 kWh/m².

For context, solar energy here swings from a low near 1.69 kWh/m² to a high of 6.18 kWh/m² in June across the year — July's 6.15 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.4Intense
26.4Intense
36.4Intense
46.4Intense
56.4Intense
66.4Intense
76.4Intense
86.4Intense
96.3Intense
106.3Intense
116.3Intense
126.3Intense
136.3Intense
146.2Intense
156.2Intense
166.2Intense
176.1Intense
186.1Intense
196.1Intense
206.0Intense
216.0Intense
226.0Bright
236.0Bright
245.9Bright
255.9Bright
265.9Bright
275.8Bright
285.8Bright
295.8Bright
305.8Bright
315.8Bright
Planning a trip in July

Hazard calendar for Norwich

In seasonPeak

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

Norwich 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 Norwich?

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

6.0
Sightseeing
4th-best month of the year
6.7
Beach & pool
1st-best month of the year

July is a reasonable time to visit Norwich for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Norwich in July

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

In July, Norwich sees daytime highs around 82°F and nights near 66°F. Pack light clothes and sun protection. Worth having: rain gear. About 10 days see rain.

light clothessun protectionrain gear

Sea temperature near Norwich in July

The nearest coast averages about 67°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 25 mi away) is warmest in August at about 69°F and coldest in February near 39°F.

It's comfortable for a long swim from Jul 29 to Aug 30 — about 1.1 months when the water holds above 68°F.

40°50°60°70°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarm
Sea temperature (°F)Comfort
Jan43Bracing
Feb39Bracing
Mar40Bracing
Apr44Bracing
May51Bracing
Jun60Cool
Jul67Cool
Aug69Refreshing
Sep67Cool
Oct62Cool
Nov55Bracing
Dec48Bracing

UV index in Norwich 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 Norwich 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 23 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 23UV 1
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr6High
May7Very high
Jun8Very high
Jul8Very high
Aug5High
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low

Air quality in Norwich 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 Norwich 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 Norwich?

Norwich sits at 41.5°N, 72.1°W, 56 ft above sea level, in United States. The nearest listed city is Montville Center, 5.0 mi away.

Topography around Norwich

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

Within 2 miles, the terrain around Norwich has only modest variations in elevation — a maximum elevation change of 397 ft around an average of 157 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 650 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,325 ft.

The land around Norwich is covered by trees (76%) within 2 miles, trees (84%) within 10 miles, and trees (58%) and water (34%) within 50 miles.

2 miles
397 ft
10 miles
650 ft
50 miles
1,325 ft
treesgrasslandcroplandartificial surfaceswater
July weather nearby: Montville Center 5.0 mi · Ledyard 6.8 mi · New London 12 mi · Windham 13 mi · Waterford 13 mi · Plainfield 14 mi · Willimantic 14 mi · Westerly 16 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 Norwich (41.5243°, -72.0759°, 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).